REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
CT-EPC/017/SH/EPM/RPC-X/2023
TCM IDENTIFICATION CODE
4439-NM-SG-000000001
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
2 1
0
19/Nov/2024 Issued for Final 14/Oct/2024
Implementation of Comments (IOC)
M.Patil M.Patil
S. Kanade S. Kanade
L. Capezzali L. Capezzali
30/Apr/2024
Issued For Approval (IFA)
S. Kamble
S. Kanade
L. Capezzali
Issue
Date
Reason for Issue – Revision Description
Prepared
Checked
Approved
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
4439-NM-SG-000000001
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ISSUE 2
Contents
-
SCOPE … 5
-
DEFINITIONS & ABBREVIATIONS … 5
2.1 Definitions … 5
2.2
Abbreviations … 5
- LAWS, CODES, STANDARDS AND REGULATIONS … 7
3.1 General Requirements … 7
3.2
Laws, Norms, Codes, Regulations, Directives & Standards … 7
3.3 Reference Standards… 8
3.4
Electromagnetic Compatibility … 9
3.5 Order Of Precedence … 10
-
REFERENCED DOCUMENTS … 10
-
ENVIRONMENTAL CONDITIONS … 10
-
ELECTRICAL SYSTEM FEATURES … 11
-
FEATURES, RATINGS, PERFORMANCE & CONSTRUCTION REQUIREMENTS … 11
7.1 General Requirements … 11
7.2 Materials & Components… 11
7.3
7.4
7.5
7.6
Expected Lifetime & Major Maintenance Intervals … 12
Location … 12
Assembly … 12
Service Conditions … 12
7.7 Ratings … 12
7.7.1
Rated Voltages … 13
7.7.1.1
Voltage & Frequency Variations … 13
7.7.1.2
Voltage dips / reacceleration … 13
7.7.2
7.7.3
Rated Power … 14
Starting Duty … 14
6.7.3.1 Starting Current … 14
6.7.3.2 Starting Cycles … 15
7.7.4
7.7.5
7.7.6
7.7.7
Requirements … 15
Duty Type … 15
Losses & Efficiency … 15
Noise … 16
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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7.7.8 Guarantees … 16
7.8
Variable Frequency drives and soft starter application … 16
7.9 Construction Requirements … 16
7.9.1
Construction Type … 16
7.9.2 Windings … 17
7.9.3
7.9.4
7.9.5
7.9.6
7.9.7
7.9.8
Insulation … 17
Rotors … 17
Shafts and Couplings … 17
Shafts … 18
Couplings … 18
Bearings and Lubrication … 18
7.9.8.1
Antifriction bearing … 18
7.9.8.2
Sleeve bearings … 18
7.9.8.3
Bearing insulation… 19
7.9.8.4
Vibration … 19
7.9.9
Cooling … 19
7.9.10 Enclosure … 20
7.9.11 Mounting Arrangement … 20
7.9.12 Earthing … 20
- FITTING AND ACCESSORIES … 21
8.1
8.2
Space Heaters … 22
Terminal box … 22
8.2.1 Main Terminals Box … 22
8.2.2
8.2.3
Star Point Terminals Box … 23
Differential Protection … 23
8.2.3.1
Conventional Differential Protection … 23
8.2.3.2
Self-Balancing Differential Protection … 23
8.2.4
Terminal Boxes For Auxiliaries … 24
8.3
Temperature Detectors … 24
8.3.1 Winding Temperature Detectors … 24
8.3.2
Bearing Temperature Detectors … 24
-
PAINTING … 24
-
NAMEPLATES … 25
10.1 Main Nameplates for Induction Motor … 25
10.2 Additional Nameplates for Induction Motor … 26
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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10.3 Nameplates for Terminal Boxes … 26
10.4 Labels and markers … 27
FACTORY TESTS … 27
11.1 Routine Tests … 27
11.2 Type Tests … 28
PACKING AND DELIVERY … 29
INSTALLATION … 29
SITE TESTS … 29
-
DOCUMENTATION … 30
SPARE PARTS … 31
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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SCOPE
This specification specifies the minimum requirements for design, manufacture, inspection, testing packing and supply of all Induction Motor of the project REALISATION EN EPC D’INSTALLATIONS DE PRODUCTION DE LINEAR-ALKYL-BENZENE (LAB) IN SKIKDA ALGERIA.
DEFINITIONS & ABBREVIATIONS
2.1 Definitions
The following definitions, which are used in this Specification, shall be considered:
COMPANY
CONTRACTOR
VENDOR
MANUFACTURER
SUB-VENDOR
Sonatrach
Tecnimont S.p.A.
Person, firm, entity, or corporation bidding for the scope of supply and specified in the Purchase Order (P.O.) Company that manufactures, builds and assembles electrical equipment, materials and devices. In most cases, Manufacturer could be also the Vendor of electrical equipment Any entity of whatsoever tier who has entered a sub-contract with VENDOR to supply part of the Goods and/or execute any part of the works.
2.2 Abbreviations
The following abbreviations, which can be used in the Job Specification, shall be considered:
ARH AGA ANSI API ASTM BS CA CEOT CTC
DAO DPEM EDD EIE EN
Autorité de régulation des hydrocarbures American Gas Association American National Standards Institute American Petroleum Institute American Society for Testing and Materials British Standards COMPANY(SONATRACH) Commission d’Evaluation des Offres Techniques Contrôle Technique de la Construction (Algerian Authority) Dossier d’Appel d’Offres Direction des Patrimoines Energétiques et Miniers Etude de Dangers Etude d’Impact sur l’Environnement European norms
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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EPC FEED FM IEC IP ISA ISO LAB LP Steam MP Steam NFPA N.A. ONML
TBC TBD TCM
TCMPL UL 1PH 3PH a.m.s.l. A.C. or AC BEDD DS ELE EMC EMS EPC FEED HV MV LV MR PLC RIB SLD TBD THD UOS UPS VSD
Engineering, Procurement and Construction Front End Engineering Design Development Factory Mutual International Électrotechnique Committee Institute of Petroleum (now Energy Institute) Instrument Society of America International Standards Organization Linear-Alkyl-Benzene Low Pressure Steam Medium Pressure Steam National Fire Protection Association Not Available Office Nationale de Métrologie Légale (Algerian Authority) To Be Confirmed To Be Defined Tecnimont S.p.A., engineering company located in Milan (Italy) and performing activities of Engineering Procurement and Construction for the PROJECT; Engineering & Designs Tecnimont-Private Limited; Underwriters’ Laboratories, Inc. 1-Phase 3-Phase above mean sea level Alternating Current Basic Engineering Design Data Data Sheets Electrical (Electrical Discipline) Electromagnetic Compatibility Electrical Management System Engineering Procurement & Construction Front End Engineering Design High Voltage Medium Voltage Low Voltage Material Requisition Programmable Logic Controller Remote Instrument Building Single Line Diagram To Be Defined Total Harmonic Distortion Utilities and Off-Sites System Uninterruptible Power System Variable Speed Drive
For further definitions and abbreviations, refer to the “Electrical System Design” document no. 4439-NN-SG-000000001.
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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LAWS, CODES, STANDARDS AND REGULATIONS
3.1 General Requirements
Each new Induction Motor, including all parts composing it (i.e.: materials, equipment, components, devices, accessories, etc.), shall be designed, manufactured and shop tested according to the latest edition of all applicable Laws, Norms, Codes, Regulations, Directives and Standards.
Each new Induction Motor including its accessories shall have all documentation, certifications and marks as per applicable Laws, Norms, Codes, Regulations, Directives and Standards.
3.2 Laws, Norms, Codes, Regulations, Directives & Standards
The Laws, Norms, Codes, Regulations, Directives and Standards issued by the following Regulatory Bodies shall be applied:
• Local Laws, Norms, Codes, Regulations and Directives issued by the Algerian Authorities (National and/or Local Governments, Councils and Administrations)
• Prescriptions and Regulations issued by the Algerian Fire Brigade • Prescriptions and Regulations issued by COMPANYand applicable in the plant. International Electrical Norms and Standards issued by the International Electro- • technical Commission (IEC Standards) International Electrical Norms and Standards issued by the Institute of Electrical and Electronic Engineers (IEEE Standards) International Norms and Standards issued by the International Standard Organization (ISO Standards)
•
•
In the particular cases in which no Codes, or Standards or Recommendations are available applicable, the best engineering practices shall be applied after CONTRACTING AUTHORITY’s approval.
In general, Codes and Standards issued by the Regulatory Bodies of the Country of origin of the items, materials, accessories, components, devices and/or equipment may be accepted, provided that the said Standards are equivalent or more restrictive than the base Codes and Standards to be applied for the Project.
The certification requirements for equipment to be installed in hazardous areas (ATEX and/or IECEx) are detailed in document “4439-NN-SG-000000002- Selection and Installation of Electrical Apparatus and Material for use in Explosive Gas Atmospheres”.
The adoption and the compliance with all Laws, Norms, Codes, Regulations, Directives and Standards does not relieve VENDORs from the responsibility to design the motor assuring the full functionality, the total adherence to the norms of safety and of good fabrication and installation.
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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If conflicts arise between the requirements included in the applicable Laws, Norms, Codes, Regulations, Directives and Standards issued by the above Regulatory Bodies, the stricter requirements shall be applied.
The application of different or additional Laws, Norms, Codes, Regulations, Directives and Standards shall be stated, in writing, to COMPANYfor its approval. Any doubt shall be resolved in writing with the CONTRACTING AUTHORITY. The selection, design, construction, assembling, shop testing, storage / installation / operating instructions of each new Induction Motor including its accessories shall also take into consideration all aspects related to safety, prevention of accidents, health and conservation of the environment.
Each new Induction Motor shall ensure following:
• Safety and health of the personnel under all expected operating conditions (both the
normal and predictable abnormal conditions).
• Low level of pollution and zero or low emission of polluting particles and gases in the
environment.
• Suitability for the environmental conditions of the Plant (for further details refer to the
Section 4 of this specification).
• Suitability for the features of the Electrical Systems of the Plant, both in normal and
predictable abnormal conditions.
• Reliability • Ease and simplicity of erection. • Possibility, predisposition and simplicity of future expansions. • Ease, simplicity and safety of inspection and intervention during the normal operation
under safety conditions for attending personnel.
• Free of maintenance, or, if this is not possible, ease and simplicity of maintenance,
which must be reduced as much as possible.
3.3 Reference Standards
The following technical Standards, but not limited to, shall be applied:
IEC 60034 Rotating Electrical Machines
IEC 60072 Dimensions and output series for rotating electrical machines
IEC 61869-1 Instrument transformers –Part 1: General requirements
IEC 61869-2 Instrument transformers –Part 2: Additional requirements for current transformers
IEC 60079 Explosive Atmospheres
IEC 60071 Insulation co-ordination
IEC 60085 Electrical insulation - Thermal evaluation and designation
IEC 60751 Industrial platinum resistance thermometers and platinum temperature sensors
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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IEC 60529 Degrees of protection provided by enclosures (IP Code)
IEC 61000 Electromagnetic compatibility (EMC)
IEC 60050 International Electrotechnical Vocabulary
IEC 60027 Letters symbols to be used in electrical technology
IEC 60617 Graphical symbols for diagrams
Additionally, the following Standards shall be considered:
IEEE 43 Testing Insulation Resistance of Electric Machinery
ISO 15 Rolling bearings - Radial bearings - Boundary dimensions, general plan
ISO 281 Rolling bearings - Dynamic load ratings and rating life ISO 1132-1 Rolling bearings - Tolerances –Part 1: Terms and definitions
ISO 1132-2 Rolling bearings - Tolerances – Part 2: Measuring and gauging principles and methods
ISO 1680 Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machines
ISO 3744 Acoustics - Determination of sound power levels and sound energy levels of Noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane.
ISO 21940-11 Mechanical vibration - Rotor balancing - Part 11: Procedures and tolerances for
rotors with rigid behaviour
ISO 20816-1 Mechanical vibration - Measurement and evaluation of machine vibration - Part 1: General guidelines
ISO 10816-3 Mechanical vibration - Evaluation of machine vibration by measurements on non- rotating parts– Part 3: Industrial machines with nominal power above 15 kW and nominal speeds between 120 r/min and 15 000 r/min when measured in situ.
3.4 Electromagnetic Compatibility
VENDORs shall ensure that each new Induction Motors meets all current EMC requirements for both emission and susceptibility. For these purposes, the new Induction Motor shall neither cause EMC interference to other plant/equipment / systems due to the unintentional emission nor be unduly susceptible to the EMC interference from intentional or unintentional transmissions.
VENDORs shall apply all good EMC practices to address the installation issues (cable routing and separation, location and spacing of components and devices, screening, earthing, bonding etc.)
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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and the health risk considerations associated with the EMC.
VENDORs shall provide instructions related to the EMC requirements to be followed by CONTRACTOR during site installation.
3.5 Order Of Precedence
The EPC project shall be carried out based on the contract documents and fulfilling the requirements of any applicable Local Standards and Regulations. The order of precedence to adopt for the development of the Detail Design shall strictly follow the below sequence, in a top-down order, applied to both the relevant contractual documents and the regulatory references:
- The Contract body (the so-called Terms&Conditions) and all its annexes from Annex I to Annex XXIII,
- Local Regulations (for sake of clarity: the Algerian Law),
- Applicable nationals and international norms, codes and standards (last edition).
REMARKS:
a. Annex I prevails over all other Annexes; b. Within Annex I, the order of precedence is CEOT > DAO > Licensor / FEED documents. Within the CEOT and DAO, the higher number prevails upon the lower number (chronological order from the latest to the earliest); c. In case of conflict within the documents found at the same level of precedence, the most stringent requirement prevails.
REFERENCED DOCUMENTS
The following documentation is referenced in this document, and therefore they shall be read in conjunction with this Job Specification:
4439-YZ-PC-000000018
4439-YZ-SG-000000001
Index of project regulations, codes and applicable standards Basic Engineering Design Data - BEDD
4439-NN-SG-000000001
Electrical System Design
4439-NM-SE-201001001
Datasheet - Low Voltage Induction Motors
4439-NM-SE-200001001
Datasheet - Medium Voltage Induction Motors
ENVIRONMENTAL CONDITIONS
The Induction Motors shall be suitable for site conditions specified in document number 4439-YZ- SG-000000001 Basic Engineering Design Data.
Package VENDOR / Motor VENDOR shall refer to respective package / mechanical equipment
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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material requisitions classification of the area where motor will be installed. Based on it, motor enclosure selection shall be in line with General Specification- Selection and Installation of Electrical apparatus and material for use in explosive gas atmosphere 4239-NN-SG-000000002.
the hazardous area classification, gas group and
for
temperature
Motors specified for use in hazardous areas shall be certified by Recognized Certifying Authorities
as identified in IEC 60079-9.
6.
ELECTRICAL SYSTEM FEATURES
Electrical parameters are referred in datasheets MV Motor Data Sheet 4439-NM-SE-200001001 & LV Motor Data Sheet 4439-NM-SE-201001001.
FEATURES, RATINGS, PERFORMANCE & CONSTRUCTION REQUIREMENTS
7.1 General Requirements
Each new Induction Motor shall be guaranteed for satisfactory performances at the specified operating conditions considering both normal and predictable abnormal cases.
All accessories, components, devices, fittings and materials necessary for the proper installation and operation of each Induction Motor shall be considered included in the scope of supply of the selected VENDOR.
full compliance with
The the VENDOR(s) nor MANUFACTURER(s) of the responsibility to supply the Induction Motor of proper design and
this specification shall not relieve
the
construction and fully suitable for all specified operating conditions.
7.2 Materials & Components
VENDORs shall select the best materials and components necessary for the manufacturing of the
Induction Motors, which shall be new, of the latest field-proven design and in current production for
at least 3 years.
All used materials shall be uniform and identifiable for an item of given characteristics and service, and for the similar installation conditions. CONTRACTOR / COMPANYshall have the right to require certain types of material to obtain uniformity with other installations.
In this case, VENDOR shall indicate if the requested types of materials are suitable for its item and/or equipment and suggest the possible better solutions.
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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VENDOR shall also be responsible for selecting all materials not specified in the Project documentation.
Asbestos and its compounds or other carcinogenic mineral fibers shall not be used in any form.
7.3 Expected Lifetime & Major Maintenance Intervals
The following requirements shall be applied for the design of the new Induction Motors, including each part composing them:
• Major Turnaround frequency is 5 years. Therefore, un-spared Induction Motors shall be designed for continuous operation of 5 years (8760 hour per year) without any maintenance activities requiring an interruption of the service.
•
Induction Motors shall be designed taking into account that the expected lifetime shall be 30 years minimum.
7.4 Location
New Induction Motors shall be installed outdoors. Generally, Induction Motors are part of a
package and are supplied skid mounted and installed on concrete foundation.
7.5 Assembly
New Induction Motors shall preferably be provided and delivered fully assembled (both
mechanically and electrically)
7.6 Service Conditions
Induction Motors shall be designed for both continuous operation and for idle periods in ambient conditions as described in section 4 above.
Refer to Section 5 for details related to features of the power supply system.
Each new Induction Motor shall be capable of operating at the requested ratings without decreasing its performances and without being overheated and/or damaged even if the supply system is affected by the variations specified in MV Motor Data Sheet 4439-NM-SE-200001001 & LV Motor Data Sheet 4439-NM-SE-201001001.
7.7 Ratings
The rating of each new Induction Motor, i.e. the rated power, voltage and the frequency etc, shall be selected by VENDOR by coordinating the driven equipment requirement. VENDOR shall indicate the selected rating in the data sheet submitted with bid / during post order.
All components and accessories (e.g. main and auxiliary terminal boxes, detectors etc.) shall be adequately selected and designed to match the rating of the Induction Motor
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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7.7.1 Rated Voltages
Motors with rated power up to 0,37 kW (included) and motors for MOV shall be Low Voltage 3 phase type with 400 V rated voltage.
Motors with rated power above 0,37 kW (excluded) and up to 315 kW (included) shall be Low Voltage 3 phase type with 690 V rated voltage.
Motors with rated power above 315 kW (excluded) and up to 5 MW (included) shall be Medium Voltage 3 phase type with 6.6 kV rated voltage.
7.7.1.1 Voltage & Frequency Variations
Induction motors shall comply with IEC 60034-1. They shall be capable of performing their function, as specified in table 3 of IEC 60034-1, continuously within zone A of the Figure 12 of IEC 60034-1 which is defined by following system variations:
• Voltage range: ± 5% • Frequency range: ± 2%
Within the ranges above, motors shall work continuously without being damaged and without sensible deviations from performances requested at rated voltage and frequency.
Induction motors shall be capable of performing their primary function within zone B of Figure 12 of IEC 60034-1 which is defined by following system variations:
• Voltage range: ± 10% • Frequency range: +3/-5 %
During this condition induction motors may exhibit greater deviations from their performance at rated voltage and frequency than in zone A.
In practical applications and operating conditions, a machine will sometimes be required to operate outside the perimeter of zone A. Such excursions shall be limited in value, duration, and frequency of occurrence.
Other exceptional voltage variations can be met during short-time transient period (few
seconds).
7.7.1.2 Voltage dips / reacceleration
Induction Motors shall be designed (both electrically and mechanically) for withstanding, without damage, the 100% counter-phase reacceleration/re-closing following a voltage dip or a momentary interruption of the power supply.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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7.7.2 Rated Power
The rated power of Induction Motors shall be as defined by the IEC 60072.
The rated power of MV Induction Motors shall be at least equal to 110% of the Power of the
relevant Driven Machines at the rated condition.
LV Induction Motors shall be sized considering that the Motors Rated Power divided by
the percentage values here below shall result higher than the required power of the Driven machine.
• Motors Rated Power up to 22 kW:
125%
• Motors Rated Power from 22 kW (incl.) up to 55Kw (incl.): 115%
• Motors Rated Power over 55kW:
110%
7.7.3 Starting Duty
The starting performances shall be generally according to the IEC 60034-12.
Induction Motors shall be suitable for the Direct On Line full voltage starting (DOL). Motors shall be suitable for direct-on-line starting or re-acceleration with any voltage between 80% and 100% of the rated voltage applied at the motor terminals.
If requested for process reasons or to limit the motor starting current, Induction Motors shall be started via VFD or Soft starter.
6.7.3.1 Starting Current
Unless otherwise specified depending on project needs, the following criteria shall apply. The maximum acceptable starting current for LV motors shall be per VENDOR standard, not exceeding:
• 9.5 x In for motors rated up to 11 kW (incl.) • 8 x In for motors up to 132 kW (incl.) • 7 x In for motors above 132kW and up to 315 kW (Incl)
The maximum acceptable starting current at rated voltage for MV motors shall normally not
exceed:
• •
6.0 x In for motors up to 5 MW (incl.) 4,0 x In for motors rated above 10 MW
Values for starting current listed above include any allowance for tolerances.
For specific motors, if any stringent maximum starting current limit is required then it will be communicated to package / equipment VENDOR during bidding phase.
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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6.7.3.2 Starting Cycles
The following starting cycles shall apply to the Induction Motors:
• Two consecutive starts plus an additional one of 20 minutes interval, with motor initially at ambient temperature (Cold Start) and with supply condition as stated in section 5 (as during process start-up).
• Two consecutive starts with motor at rated temperature (Hot Start) and with voltage at motor terminals as stated section 6 (as during automatic control or reacceleration).
Motors shall be capable of performing the above stated number of starts with a coupled load having brake torque and inertia as follows:
• Brake torque is a quadratic function of the speed,
•
Inertia of the driven equipment 2, 4, 6, 8 times the inertia of the motor-rotor for motors having 2 4, 6 and respectively 8 poles.
7.7.4 Requirements
The motor torque shall be capable to accelerate the driven equipment, having inertia and brake torque as per section 6.7.3.2, with 80% of rated voltage applied to motor terminals for motors with DOL starting.
7.7.5 Duty Type
Generally, Induction Motors shall be suitable for S1 Duty Type. If requested for process reasons or to limit the motor starting current, Induction Motors shall be driven by VFD and shall be suitable for S9 Duty Type. Motors powered by VFD shall be suitable for both S1 and S9 Duty. Process requirements / driven machine application requirements shall be reviewed by motor VENDOR with package / driven equipment VENDOR while selecting starting method. In case if any starting current limitation imposes the VFD / soft starter application it will be reviewed and informed to VENDOR by contractor during bidding phase.
7.7.6 Losses & Efficiency
All LV induction Motors shall be at least of following efficiency class as defined by IEC 60034- 30:
• •
IE2 for P < 0.75kW & Exeb motors up to and including 315kW. IE3 for P ≥ 0.75kW except Exeb motor
MV Induction Motors shall be of the highest possible efficiency.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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The VENDOR shall indicate in the data sheet the efficiencies and the power factors at 25%,
50%, 75% and 100% of the rated power. They shall also indicate power factors at no load and at locked rotor conditions.
7.7.7 Noise
The noise level of the new Induction Motors shall be in accordance with IEC 60034-9. As much as possible, the noise requirements shall be met by means of design and construction of the Induction Motors without using additional noise attenuators.
7.7.8 Guarantees
Ratings and parameters serving as basis for the guarantees and tests of motors shall be
referred to the design temperature specified for the project.
Guaranteed values shall be kept within the tolerance limits stated under IEC 60034-1.
7.8 Variable Frequency drives and soft starter application
Induction Motors powered by VFD or soft starter shall be compliant with IEC 60034-31 and IEC
60034- 25, where applicable.
The motor and the VFD shall be a set of compatible equipment, adapted to the driven
machine application, in all phases of operation, from start-up to the maximum speed of the specified range of variation.
Manufacturer shall indicate in motor data sheet:
• motor characteristics for DOL application • characteristics / conditions for VFD application
Motors installed in hazardous areas shall have IECEx Certification compatible with the
VFD. The MOTOR and VFD should preferably be from the same Manufacturer.
7.9 Construction Requirements
The following construction requirements shall apply:
7.9.1 Construction Type
Motors shall be Totally Enclosed Fan Cooled (TEFC) squirrel cage type.
Synchronous Motor Types shall be selected if the application requires following
features (subject to approval):
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
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• Driven load with high torque and high inertia at low speed
• Constant speed under load variation
• High efficiency
• Power factor correction or improvement
• Low starting current
• Reduced current pulsation for non-steady state loads (e.g. reciprocating compressors)
7.9.2 Windings
Stator windings of LV Motors shall be delta connected. Stator windings of MV Motors shall be
star connected.
All six winding ends are to be brought out into the main terminal box and individually
connected.
7.9.3
Insulation
Insulation shall be in accordance with IEC 60085. Insulation material shall be Class F designed.
for Class B
Temperature Rise at the rated output at the ambient temperature +40 °C. Motors for VFD
application shall have a minimum motor voltage insulation level for ensuring protection against transient peak voltage values and harmonics caused by VFD.
7.9.4 Rotors
Rotor bars shall be of copper or copper alloy material.
Rotors shall be designed to withstand without damage the efforts due to the 100% counter-phase
reacceleration/re-closing following a voltage dip or a momentary interruption of the power supply (see section 6.7.1.2).
7.9.5 Shafts and Couplings
The shafts and the couplings shall be designed to withstand to the maximum transient torques
which can be expected in all normal and abnormal conditions without being damaged.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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7.9.6 Shafts
The shafts shall be made one-piece. No welding is allowed on finish shafts.
7.9.7 Couplings
The motor coupling hubs shall be machined finished, balanced and supplied by the MANUFACTURER of the Driven Machines. The balancing grade shall be 2.5. Generally, the direct coupling between Motors and the relevant Driven Machines are preferred.
7.9.8 Bearings and Lubrication
The following types of bearing shall be used:
• Antifriction bearing • Sleeve bearings
The selection of the proper type of bearings and the lubrication system shall be fully under
the responsibility of the MANUFACTURER.
7.9.8.1 Antifriction bearing
Antifriction bearings shall be grease lubricated rolling/ball element bearings.
Motors with a frame size less than IEC 160 shall be equipped with sealed for life bearings pre- charged with grease. Minimum operating hours for bearings sealed for life lubrication shall be at least 30.000 hours for motors with horizontal shafts and 20.000 hours for motors with vertical shafts.
Motors with a frame size IEC 160 and bigger shall be equipped with re-greaseable bearings. Re-greaseable antifriction bearings shall have a nominal lifetime of at least 60.000 operating hours under the operating conditions. Regreasing devices shall be easily accessible. The relubrication interval shall be at least 8000 hours.
All bearings shall be single row Conrad type (no filling slots) with C3 diametrical clearance. Non- metallic (plastic or phenolic) cages are not acceptable. Two deep groove ball bearings shall be used where high thermal expansion or radial loads dictate the use of roller.
7.9.8.2 Sleeve bearings
MV motors may have oil-lubricated, split-sleeve bearings. Whenever the driven equipment has a separate oil system, the sleeve bearings of the motor should be supplied by the lube oil system of the driven equipment. Radial sleeve bearings shall have replaceable liners or shells.
The bearing housing design shall allow the replacement of bearing liners without disassembly
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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of rotor, couplings or other machine parts.
Local oil level or flow indication instruments shall be installed on an appropriate location next to the machine. Those instruments shall be visible without removing any machine or insulation parts.
7.9.8.3 Bearing insulation
Insulated bearings shall be provided for motor driven by VFD and frame size up to and including
IEC 280. Bearings shall be isolated on Non-Driven End.
Whenever the shaft voltage measured across the ends of the shaft, exceeds 250mV (rms) for rolling element bearings or 400mV (rms) for sleeve bearings, bearing insulation shall be provided.
7.9.8.4 Vibration
Considering Induction Motors equipped with sleeve bearings:
• The vibration limits of bearing housing of motors without proximity probes shall meet the
requirements of IEC 60034-14 Table 1, Vibration grade A.
• The vibration limits of bearing housing of motors equipped with proximity probes shall
meet the requirements of IEC 60034-14 Table 1, Vibration grade B.
LV and MV Motors Induction Motors with antifriction bearings shall be equipped with nipples
for shock pulse detection (SPM) Nipples. Vibration grade B is required in this case.
7.9.9 Cooling
LV Induction Motors shall be air cooled. MV Induction Motors shall preferably be air cooled.
The following cooling methods, compliant with IEC 60034-6, shall be applied for the Induction
Motors of the Project:
• • • •
IC 4A1A1: Frame surface cooled – self circulation IC 5A1A1: Integral heat exchanger - self circulation IC 6A1A1: Machine-mounted heat exchanger - self circulation IC 6A1A6: Machine-mounted heat exchanger – circulation by machine mounted independent component.
Large MV Induction Motors with air-water heat exchangers (IC 8A1W7) are accepted if no air
cooling is available for the requested size.
The forced cooling motors shall be equipped with air (for air-air cooling) or water (for air-water
cooling) flow switch with indicator. The forced cooling system shall be redundant.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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7.9.10 Enclosure
All enclosure parts and terminal boxes shall be of cast iron or steel with reliable anticorrosion
protection and suitable for the severe environmental conditions (refer to section 4).
The following IP degrees are requested:
• Min IP 55 for outdoor installation
• Min IP 54 for indoor installation
Enclosure shall have a protection level of IK10 against mechanical shocks.
7.9.11 Mounting Arrangement
The mounting arrangement of Induction Motors depends on the relevant driven machines.
Generally, it will be either IM B3 (IM 1001), IM B5 (IM 3001), IM V1 (IM 3011) or IM V6 (IM 1031) in accordance with IEC 60034-7.
Vertical motors IM V1 shall be provided with a canopy over any upward facing air inlets to
prevent entry of water or any other containment.
Bearing housings, especially for vertical motors IM V6 shall be sealed to prevent water entry to
the machine via the shaft. Water and dirt collecting on the upper bearing end-shield shall not reduce the performance or lifetime of the machine, therefore appropriate measures must be taken, e. g. provision of drainage holes.
7.9.12 Earthing
LV Induction Motors shall be provided with an earthing bolt. Additionally, there shall be an
earthing bolt inside of the Main Terminals Box.
MV Induction Motor shall have minimum two earthing bolts provided on the frame foot on
either side, located diagonally opposite. MV Motors with rated power over 1 MW shall have at least four earthing bolts.
Accessories and metallic parts installed on MV and LV Induction Motor (such as Junction
Boxes, Terminals Boxes, etc.) shall be bonded to the frame of the Motor.
If Induction Motors are supplied skid mounted as packages together with relevant driven
machine, than the motors and all metallic parts installed on the skid shall be bonded to the skid and earthed by means of the earthing of the skid.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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FITTING AND ACCESSORIES
Required accessories are indicated in datasheet. VENDOR shall indicate all accessories dedicated to
each new Induction Motor in the bidding data sheet and post order data sheet.
VENDORs and/or MANUFACTURERS shall suggest which accessories shall be provided for their
equipment for a proper operation. Special tools required for the proper installation and maintenance shall be quoted separately by the VENDOR for each type of MV Induction Motor.
The following accessories, as minimum, are requested for each Induction Motor:
• Lifting lugs, only for Motors above 20 kg: lifting lugs shall also be provided for parts or
accessories that can be disassembled if their weight exceeds 20 kg
• Nameplates: see section 9 for details
• Terminals marking plates
• Terminal Boxes: see section 7.2
• Space heater(s) with dedicated Terminal Box: see section 7.1.
• Earthing terminals/lugs/bolts: see section 6.9.12 for details.
• Temperature Detectors: see section 7.3
• Drain openings: they shall be provided and located where condensate water may be
collected.
• Control devices, if any, for lubrication, ventilation, pressurization etc.
• Slide-Rails, only for Motors with belt or chain coupling.
• Motors with sleeve bearings shall have provisions to measure either the air gap between
rotor and stator or shaft eccentricity at both ends.
• Motors fitted with unidirectional fans shall have a corrosion resistant tag on non-driving end with an arrow showing rotation direction. Furthermore, the tag shall show the correspondent phase sequence. Alternatively, this information may be shown on the additional rating plate (see section 9.2).
• Fittings (if any) necessary for lubrication of bearings.
• All devices and fittings necessary for the purging of Ex-eb or Ex-ec Motors and
pressurizing of Ex- p Motors shall be provided.
The following accessories are requested for MV induction motors:
•
6 PT100 in the stator windings (2 each winding).
• 1 PT 100 for bearings temperature in each motor bearing.
• 1 dedicated Terminal Box for the wiring of the PT100 (both for windings and bearings).
• 1 vibration detector for each bearing (for the MV Induction Motors rated lower than
1000 kW, provision only).
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
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• 1 dedicated Terminal Box for the wiring of the vibration detectors.
• 3 toroidal current transformers for the Self-Balancing Differential Protection, if any (see
section 7.2.3.2).
• 6 current transformers for the Conventional Differential Protection, if any (see section
7.2.3.1).
• 1 dedicated Terminal Box for the wiring of secondaries of the current transformers.
8.1
Space Heaters
All MV motors, as well as LV motors from 30 kW (including) up to 315kW, shall be equipped with Anticondensation Space Heaters.
The anticondensation space heaters shall be designed to not cause any thermal damage to the motor windings.
The Anticondensation Space Heaters shall maintain the temperature of the motor windings at not less than 5°C above the outside ambient temperature when the Motors are at rest.
Anti-Condensation Space Heaters leads shall be brought out to the insulating terminals in a dedicated Terminal box, separate from the power main terminal box (common auxiliary terminal box can be used as mentioned in section 7.2.4).
Anti-Condensation Space Heaters shall be suitable for 230 V AC, 50 Hz single phase supply, according to the Manufacturers’ Standards.
A warning label shall be provided to indicate that the circuit may be live when the Motor is stationary.
8.2
Terminal box
The following Terminals Boxes shall be provided for each Induction Motor:
• Main Terminals Box for the power cable connections
• Star Point Terminal boxes
• Terminal Box(es) for auxiliaries
The terminal box shall be provided with pressure relief devices for Ex-e, Ex-n and safe area motors.
Terminals shall be well marked, and they shall be designed to prevent any loosening of connections due to vibrations.
8.2.1 Main Terminals Box
Unless otherwise specified, for MV motors Main Terminal Box shall be placed on the left side
as seen from NDE.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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TCM IDENTIFICATION CODE
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For LV motors, Main Terminal Box shall be top-mounted and rotatable in 90-degree steps.
Power terminals shall be arranged to facilitate the cables connection, in particular if there are two or more parallel cables.
Main Terminal Boxes shall be adequately sized to accommodate the earthing lugs, too.
8.2.2 Star Point Terminals Box
Star Point Terminals Box shall house the winding star point of the MV Motors. The location of
the Star Point Terminals Box shall be at the opposite side of the Main Terminal Box.
8.2.3 Differential Protection
Differential protection shall be provided for MV motors with a rated power higher and equal to
1000kW and may be required on motors where the available short circuit current is close to the value of locked rotor current.
Depending on type of applied differential protection (Conventional Differential or Self-
Balancing Differential type) the Main Terminal Box and the Star Point Terminal box can be merged together.
8.2.3.1 Conventional Differential Protection
Main Terminal Box and Star Point Terminal box are separate.
The Conventional Differential Protection is based on N°6 (six) CTs which are typically of the same ratio and accuracy class.
The Star Point Terminal box houses the winding star point and N°3 (three) CTs out of N°6 (six) CTs required for the Conventional Differential Protection. The (three) CTs can be housed in the Main Terminal Box or in the switchgear feeder.
CTs burden shall be at least 15 VA. CT Secondary current shall preferably be 1A..The CT Secondary Terminals shall be short-circuitable and brought out to a dedicated auxiliary terminal box.
8.2.3.2 Self-Balancing Differential Protection
Main Terminal Box and Star Point Terminal box are merged together and house both the line side and the star point side power terminals together with N°3 (three) toroidal CTs for the Self Balancing Differential Protection.
Both ends of each motor winding are passed through the respective toroidal CT. CT secondaries are wired to a dedicated auxiliary terminal box and connected to differential
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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relay in the switchgear feeder. CTs burden shall be at least 15 VA. CT Secondary current shall preferably be 1A. The CT Secondary Terminals shall be short-circuited.
8.2.4 Terminal Boxes For Auxiliaries
Terminal box for the auxiliary devices, such as Anticondensation Heaters, Temperature Detectors, Vibration Detectors etc. shall be provided. These Terminal Boxes shall preferably be placed on the left- hand side as seen from NDE.
The interconnection wiring from these terminal boxes to the relevant devices shall be included in VENDOR’s scope of work.
Terminal boxes for Auxiliaries shall be provided with the cable entries for the external cables to Switchboards. Number and dimension of the cable entries shall be specified during Detail Engineering Phase.
8.3 Temperature Detectors
8.3.1 Winding Temperature Detectors
For specific applications requiring motor temperature protection and for VFD applications, 6 PTCs shall be provided for LV motors (two for each stator phase). Only 3 PTCs shall be wired to an ATEX certified protection relay (one for each stator phase). The 3 other ones shall be left as spare.
Considering MV Motors, 6 PT100 elements shall be provided and wired to switchgears, two for each stator phase.
8.3.2 Bearing Temperature Detectors
Temperature detectors PT100 elements shall be provided for MV motors and motors equipped with self- lubricated sleeve bearings. A local bearing temperature display including protective thermowell shall be provided.
PAINTING
Each Induction Motor frame shall be painted both internally and externally.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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The selected outside paint process shall be suitable for the environmental conditions.
Painting shall consist of at least three coats (primer, intermediate and finish). The painting cycle shall allow achieving at least the expected end of service life of the Induction Motors without corrosion.
VENDOR shall propose the painting schedule and data sheet with the bid.
NAMEPLATES
Motor nameplates shall be in accordance with the applicable IEC Standards (i.e.: IEC 60034).
Each new Induction Motor shall be tagged with main and additional nameplates (if necessary) which shall be of stainless steel or equivalent corrosion-resistant material.
Main and additional Nameplates shall be fixed on the enclosure of the Induction Motor.
10.1 Main Nameplates for Induction Motor
Data to be engraved on the nameplate(s) are as minimum:
• Reference to the applicable Standards (e.g. IEC 60034)
• MANUFACTURER’s name
• MANUFACTURER’s serial number
• Year of manufacture
• Ambient temperature
• Ex-Execution and relevant information according to the IEC 60079 Standards (i.e. area classification, T-rating and group information for Motors used in hazardous areas), if applicable
•
IP degree
• Class of Insulation and allowable Temperature Rise
• Duty service
• Number of phases
• Rated output in kW referred to the ambient temperature considered for the design of the Electrical Items as indicated at the section 6 of this specification
• Rated voltage (V or kV)
• Rated frequency (Hz)
• Rated current (A)
• Rated power factor (cos φ)
• Starting current (A or % of rated current)
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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• Starting power factor (cos φ)
• Full load efficiency (%) and, the efficiency class (IE Code), if applicable, according
to the IEC 60034-30
• Rated speed (rpm) and slip (%)
• Permissible over speed (rpm)
• Total weight (kg)
• Winding connection configuration
• Mounting type (IM Code)
• Cooling method (IC Code)
• Allowable run up time
• Lubrication information
10.2 Additional Nameplates for Induction Motor
Additional nameplates with the following information shall be provided:
•
Direction of rotation (to be located on the NDE side of the Motor by means of an arrow drawn on the nameplate)
• Tag of the Induction Motor (to be located on the NDE side of the Motor) • Terminals marking U1-V1-W1 and U2-V2-W2 (at both sides when both ends of windings
are available)
• Bearing type and identification numbers
For VFD application, an additional nameplate indicating characteristics with VFD (rated
power, min/max frequency, ..) shall be provided.
10.3 Nameplates for Terminal Boxes
Each Terminal Box shall have a dedicated nameplate with the following minimum data (if
applicable):
• Reference to the applicable IEC Standards • MANUFACTURER’s name • MANUFACTRER’s serial number • Year of manufacture • Ex-Execution and relevant information according to the IEC 60079 Standards (i.e. area classification, T-rating and group information for Motors used in hazardous areas), if applicable IP degree
• • Data relevant to CTs if applicable (e.g. burden, ratio, etc.), referred to the ambient temperature considered for the design of the Electrical Items as indicated at the section 6 of this specification.
• Warning and or instruction for operations, if applicable
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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10.4 Labels and markers
The following requirements about the labels and markers shall be applied:
• Wiring shall be marked on each end with permanently embossed wire markers of the
heat shrinkable or slip-on type.
• Wrap around, adhesive and rigid snap-on markers are not acceptable. • Wire numbers shall match the wiring diagram provided by VENDOR. • • All devices and accessories such as temperature detectors, etc. shall be clearly and
univocally identified as indicated on the wiring diagrams provided by VENDOR.
FACTORY TESTS
Manufacturer of the Induction Motors shall prove its compliance with a quality management
system
according to the ISO 9001.
Compliance with the applicable IEC Standards shall be provided for each new Induction Motor
and
accessory included in VENDOR’s scope of supply. The compliance shall be provided in the form of
certification or declaration of conformity. Generally, relevant IEC Standards shall be applied for the
tests to be executed on the new Induction Motors and for the certification to be delivered for the
Project.
11.1 Routine Tests
Each Induction Motor shall be routine tested in factory in accordance with the IEC Standards. The Routine Tests shall be performed during the Factory Acceptance Tests (FAT). The reports of the Routine Tests shall be part of the documentation file of each Induction Motor (refer to Section 11 of this specification).
COMPANYand/or CONTRACTOR may witness the FAT. Inspection Testing Plan (ITP) attached to the Package / Driven equipment Material requisition shall be referred by the VENDOR.
If the rating or any other performance of an Induction Motor is not in compliance with the specified values, the Induction Motor may not be accepted. If such case is observed during site test and commissioning, then COMPANYand/or CONTRACTOR has the right to use this motor as long as it will be replaced with a new one by VENDOR.
The extra transportation and installation costs for the rejected equipment and its replacement shall be entirely at VENDOR’s charge. VENDOR shall in no case be entitled to claim any compensation for the temporary use of the rejected equipment.
As minimum, the following Routine tests, but not limited to, shall be executed:
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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• Visual inspection in order to check the correspondence with the documentation
and in order to check the possible physical damages.
• Full dimensional check
• Measurement of the winding resistance
• Check of the terminals marking and the sense of rotation
• No-Load test and measurement of the No-Load Current and Losses
• Locked Rotor test and measurement of the Losses
• Measurement of the vibrations
• Temperature rise test (Heat run test)
• Measurement of the bearings temperature rise
• Measurement of the winding insulation resistance
• Measurement of the polarization index
• Execution of the withstand voltage test in warm condition
• Measurement of the dielectric loss
• Measurement of the axial play
• Over speed test (with check of balancing rotor)
• Functional test for all accessories (e.g. forced cooling system, etc.)
VENDORs and/or the MANUFACTURERS of the new Induction Motors shall suggest and indicate additional tests, if deemed necessary.
11.2 Type Tests
During Bid Stage VENDOR shall submit to CONTRACTOR copies of the available
Certificates or the Type Tests according to IEC performed on prototype Induction Motors
“similar” to those offered for the Project.
If the “similarity” concept is not assessable, VENDOR shall indicate it in writing in its
deviation list for CONTRACTOR / COMPANY for further review. CONTRACTOR / COMPANY may ask to type test the Induction Motors of the Project. In this case the Type Test shall be performed on one (N°1) Induction Motor for each type and rating.
VENDOR shall quote them separately during BID STAGE.
Copies of the certificates of the Type Tests of similar Induction Motors shall be part of the
documentation file of the Project Induction Motor (refer to Section 16 of this specification).
The same applies to the reports of the Type Tests (if any) performed on Project Induction
Motors.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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PACKING AND DELIVERY
VENDOR(s) shall be responsible for the procedures and all arrangements necessary for the
storage of each new Induction Motor in the factory after the FAT and until the delivery to Site.
New Induction Motors shall be preferably delivered to Site fully assembled and with accessories
fully wired to the relevant terminal boxes.
VENDOR shall be responsible for the transportation procedures and shall take all necessary
measures to ensure the safe delivery of each new Induction Motor to Site.
VENDOR shall suggest any special preservation requirement during long term storage at Site
before the installation and before the energization.
Packing specification listed in the package / driven equipment supply specification shall be referred
by vendor for packing requirements.
INSTALLATION
CONTRACTOR will be responsible for the storage, preservation, installation and testing on Site of each new Induction Motor from the delivery up to the turn-over to CONTRACTING AUTHORITY.
The VENDOR /MANUFACTURERS’ Instructions shall indicate all the storage, installation, site
testing and commissioning guidelines / requirements.
Driven equipment supply specification shall be referred for the assistance requirement by VENDOR during the site installation of the new Induction Motors.
SITE TESTS
After the installation at Site, following Site Acceptance Test (SAT) shall be carried out on each New Induction Motor:
• Visual inspection and check of the conformity of the installation according to the
engineering documentation
• Check of the painting and, if necessary, retouch • Measurement of the winding’s insulation resistance. Possibly, the insulation of each winding can be measured disconnecting the ends of the windings (if accessible). Moreover, if deemed necessary, the polarization index test can be performed
• Check of the continuity of windings. • Check of the operation and functionality of all protection relays and/or instrument installed (e.g. temperature detectors, vibration detectors, anticondensation heaters, etc.), if any
• Check of the proper connection of the external lines, including the tightness.
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GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
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• Check of the sense of rotation of the Motor.
• 4 hours run-in test of the Motor (at no load). During the run-in test:
➢ Check of the bearing temperature
➢ Check of the vibration on bearing.
➢ Check of the temperature of the windings (if temperature detectors are
available).
VENDORs and/or Manufacturers of the new Induction Motors shall suggest and indicate additional tests/checks, if deemed necessary.
The results of the Site Acceptance Tests shall be recorded on suitable QA/QC forms, in order to certify and ensure the proper installation, functionality and operation of each Induction Motor.
unless other wise indicated to vendor in specific cases either in data sheet / driven equipment supply specification, above tests will be carried out by CONTRACTOR or SUBCONTRACTOR.
Driven equipment supply specification shall be referred for the assistance requirement by VENDOR during the testing, commissioning and start-up of the new Induction Motors.
DOCUMENTATION
For each new Induction Motor, VENDOR shall provide the following documentation as minimum but not limited to:
• The complete data sheet
• The characteristic curves (e.g. torque vs. speed at 100% and 80% of the rated
voltage, current vs speed)
• The lubricant details and schedule
• The outline drawings / general arrangement with the list and the arrangement of the
accessories
• The wiring diagrams
• The outline drawings of each accessory (e.g. terminal boxes, junction box(es), etc.)
• The wiring diagrams of the accessories (e.g. anticondensation heater(s), temperature
detectors, vibration detectors, current transformer(s), etc.)
• The nameplate(s) and labels drawings
• The painting procedures
• The Quality Control Plan for the Factory and Site Tests
• The reports related to the Factory Acceptance Tests
• The Type Test certificates (if any)
• The Special Test certificates (if any)
•
Installation and Commissioning Manual
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
GENERAL SPECIFICATION MV AND LV INDUCTION MOTOR
REALISATION EN EPC D’ UNE INSTALLATION DE PRODUCTION DE LINEAR-ALKYL-BENZENE – LAB SKIKDA – ALGERIE
TCM IDENTIFICATION CODE
4439-NM-SG-000000001
SHEET 31 / 31
ISSUE 2
• Operating and Maintenance Manual
•
IECEx Certification for motors installed in hazardous areas (Refer to document “4439- NN-SG-000000002- Selection and Installation of Electrical Apparatus and Material for use in Explosive Gas Atmospheres”.
The operating and maintenance manual shall be provided in English & French language. The other
documents can be Provided in English language. VENDOR documentation requirement are also indicated in respective package or driven equipment supply specification. If any documentation requirement is not referred in supply specification but referred above then it shall be part of the VENDOR submission during bid phase / post order.
SPARE PARTS
The following requirements about the Spare Parts shall be applied:
16.1 Commissioning Spare Parts
VENDORs shall suggest during Bid Phase the Spare Parts which, based on their experience, can result necessary during the Start-Up and Commissioning.
Each new Induction Motor shall include the supply of the relevant Commissioning Spare Parts.
The Two years spare part list shall be submitted in SPIR Form of CONTRACTOR as detailed in the package / driven equipment supply specification
16.2 Two-Year Operation Sparing Parts
During Bid Phase VENDORs shall suggest and prepare a list of the Two-Years Operation Spare Parts based on their experience.
Spare Parts will be included as per Doc.No. 439-YZ-PC-000000116 “SPARE PARTS PHILOSOPHY”.
This document is Tecnimont’s/Sonatrach’s property and cannot be used by others for any purpose, without prior written consent
Project: Q-32976 - Tecnmont SKIKDA Folder: Reference Documents