Annexure B Table of Content - iec.co.il - IEC - Anx - B... · Two 400V Bus Bar Trunking Systems,...

THE ISRAEL ELECTRIC CORPORATION LTD. ANNEXURE "B" Engineering Division SPEC.: BZE-2514 ISSUE: FOR PROPOSAL

400V EMCC SYSTEMS

Annexure "B" Table of Content

1 Purchaser

2 Name of project

3 Location of project

4 Scope of work

4.1. Scope of Engineering and Supply

4.2. Special Equipment, Tools and Instruments

4.3. Contractor Services

4.4. Work by Others (Facilities and Services to be provided by Purchaser)

4.5. Terminal Points and Terminal Connections

4.6. Commissioning

4.7. Guaranteed Performances and Testing

5 Supplements

6 Standards and Codes

7 Quality assurance and quality control

8 Shipment and Handling of Goods and Documentation

9 Safety, Noise, Environment and Loading Requirements

9.1. Safety

9.2. Noise

9.3. Environnemental conditions.

9.4. Earthquake Loads

10 Reserved

11 Technical Documentation

12 Spare and Renewal Parts

13 Existing Unit and Project Description

14 Technical Requirements

14.1. General requirements

14.2. Technical standards

14.3. FGD EMCC and MCC sections equipment description

14.4. Floor running lifting truck

14.5. Instruction books

THE ISRAEL ELECTRIC CORPORATION LTD. ANNEXURE "B" Engineering Division SPEC.: BZE-2514

BZE-2514 B - 1

SPECIFICATION FOR

400V EMCC & MCC SYSTEMS

1. PURCHASER: The Israel Electric Corporation Limited.

2. NAME OF PROJECT: Orot Rabin Power Station Units 5, 6

Rutenberg Power station Units1, 2 (Optional).

3. LOCATIONS OF PROJECT: Orot Rabin Power Station, Near Hadera,

Rutenberg Power Station, Near Ashkelon

both on the Mediterranean Sea Shore.

4. SCOPE OF WORK:

The scope of work includes engineering, manufacturing, supply of the equipment

and services indicated below.

The scope of work shall include, but shall not be limited to the following:

4.1. Scope of Engineering and Supply:

The Contractor shall, as applicable, design, develop, engineer, manufacture,

preserve, assemble, tune, shop test, pack and furnish with export packing, ready to

be mounted and operate, the following equipment and services:

4.1.1. Orot Rabin Power Station Unit 5.

4.1.1.1. For existing EMCC 511-1, 512-1:

4.1.1.1.1. Two fully equipped 400V transport units, each of two sections.

4.1.1.1.2. Two 400V Bus Bar Trunking Systems, with two IP 32 connection

boxes and all the necessary hardware for connections.

4.1.1.1.3. Design and supply of necessary accessories with detailed

instructions in order to perform two openings in the existing EMCC,

to mount the above Bus Bar Trunking Systems and to complete the

connection between existing EMCC and the supplied EMCC

sections.


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4.1.1.2. For existing MCC 531-1, 531-2, 532-2:

4.1.1.2.1. Three separated, fully equipped 400V MCC sections, including

connections to existing MCC assemblies.


instructions in order to perform three openings in the existing MCC,

to connect the above columns and to complete the connection

between existing MCC and the supplied MCC sections.

4.1.2. Orot Rabin Power Station Unit 6.



4.1.2.1.2. Two 400V Bus Bar Trunking Systems, with two IP 32 connection

boxes and all the necessary hardware for connection.


instructions in order to perform two openings in the existing EMCC,

to mount the above Bus Bar Trunking Systems and to complete the

connection between existing EMCC and the supplied EMCC

sections.

4.1.2.2. For existing MCC 631-1, 632-2:

4.1.2.2.1. Two separated, fully equipped 400V MCC sections, including



instructions in order to perform two openings in existing MCC, to

connect the above sections and to complete the connection

between existing MCC and the supplied MCC sections.

4.1.3. Orot Rabin Power Station. 400V FGD EMCC assembly

4.1.3.1. One 400V FGD EMCC assembly of three parts, connected by trunking

system bus bars.

4.1.3.2. One portable test kit to power, check and carry out parameterization,

adjustment, monitoring and tests on the air circuit breakers digital

protection unit, with all accessories (hardware and software).

4.1.3.3. Two withdrawable four pole short circuiting truck devices, in air circuit

breaker frame.


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4.1.3.4. Two floor running trucks with manual lifting mechanism and breaker

lifting adapter for moving and lifting the circuit breakers to

compartments.

4.1.4. Rutenberg Power Station Unit 1.(Optional Scope)



4.1.4.1.2. Two fully equipped 400V cable connection boxes

(3x(3x240mm²+120mm²)).


instructions in order to perform openings in the two existing EMCC

and to complete the connection between existing EMCC and the

supplied EMCC sections.

4.1.4.2. For existing MCC 131-1, 131-3, 132-3:




instructions in order to perform openings in the three existing MCC

and to complete the connection between existing MCC and the

supplied MCC sections.

4.1.5. Rutenberg Power Station Unit 2.(Optional Scope)



4.1.5.1.2. Two fully equipped 400V cable connection boxes

(3x(3x240mm²+120mm²)).


instructions in order to perform openings in the two existing EMCC

and to complete the connection between existing EMCC and the

supplied EMCC sections.

4.1.5.2. For existing MCC 231-1, 231-3, 232-3:




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instructions in order to perform openings to the three existing MCC

and to complete the connection between existing MCC and the

supplied MCC sections.

4.1.6. Contractor's Basic Scope of Design shall include also:

- Establishing procedures and instructions as may be required for the

openings and modifications of the existing MCC assemblies.

- Establishing procedures and instructions as may be required for the orderly

installation of the new equipment.

- Establishing grounding requirements for proper operation of the Equipment.

- Establishing an itemized priced list of recommended test and spare

equipment to be used in maintaining, troubleshooting, calibrating, and

repairing of the equipment and associated hardware provided for this

specification.

4.1.7. The Equipment for each Unit shall be supplied complete with appurtenances

and accessories as specified herein, to form a complete system which will

achieve and assure safe and reliable operation with best overall performance

at all loads and modes of operation. All components, appurtenances and

accessories shall be of proven design, type tested.

4.1.8. The Equipment shall meet the following essential requirements:

4.1.8.1.1. Type tested equipments complying with the requirements of the

latest edition of Israeli Standard SI 1419-1 and IEC 60439-1

Standard are accepted, only.

4.1.8.1.2. For maintenance purposes, easy access shall be provided to all

electrical apparatus.

4.1.9. Components that are herein specified in regard to manufacturer brand and

model or type shall be considered the standard of supply. The Contractor may

make an appropriate substitution, but all substituted Components offered shall

be noted as EXCEPTIONS to this Specification and are subject to review,

comment, and approval by the Purchaser.

Additionally, while everything else being equal and without derogating from

Contractor's responsibilities under the Contract, the Contractor shall endeavor

to include in the scope of design and supply, components and accessories

manufactured in Israel.


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4.1.10. Contractor shall provide, in the required format and form and in a timely

manner, all documentation required by this Specification and/or required by

applicable Standards and Codes and/or as specifically detailed in the

Documentation Submission Schedule (DSS), Annexure "J". A consistent

nomenclature shall be used project-wide in naming all component parts within

the Scope of Work. This shall apply to all drawings, Instruction Books, Bill of

Materials, special instructions, etc

4.1.11. Changes in design already approved by the Purchaser are normally

unaccepted. However, should such changes become necessary on an

exceptional basis, the Contractor shall obtain the Purchaser's approval prior to

introducing any such change.

4.2. Special Equipment, Tools and Instruments

4.2.1. Contractor shall provide all special equipment, tools and instruments required

for safe and secure transport of all components from ex works to final

destination, erection, mounting, assembling, tuning and testing in the field of the

Equipment provided under this Contract. Said equipment, tools, and

instruments should be / are listed in Contractor's Proposal where it should be /

is clearly stated which are provided on a loan basis and which are included in

the Contract Price.

4.2.2. Maintenance equipment and tools provided under this specification shall be

new and of best quality. They shall be shipped to the job site in a suitable

separate box, clearly marked with the name of the equipment they are intended

for.

4.3. Contractor Services

The Contractor shall provide the services listed in the following sub-articles as part of

the basic Scope of Work or as Purchaser’s option, at the per diem or lump sum

rates, all as stated in the Summary of Prices and Delivery Schedule, Annexure “C1”.

Field personnel provided by the Contractor shall be capable and qualified to perform

the required duties to the satisfaction of the Purchaser. They shall be vested with

authority to make decisions that could affect the status of the Equipment and which

are binding on the Contractor.

4.3.1. Erection Services:

Contractor shall provide the services of competent advisors to direct and

instruct Purchaser’s Personnel during erection, including, without limitation,

identifying the equipment, unpacking, intermediate storing, erection


BZE-2514 B - 6

sequencing and erection checking as may be required to assure proper and

successful erection and installation of the Equipment provided under this

Specification.

4.3.2. Commissioning and Start-Up Services:

Contractor shall provide the services of competent advisors to direct

Purchaser's personnel and assure proper, complete and successful

commissioning, starting, and placing into service of the Equipment provided

under this Contract.

4.3.3. Training:

Contractor's personnel shall conduct a thorough training course on site

pertaining to the equipment furnished under this Specification, for Purchaser's

personnel, covering, without limitation, correct start-up, safe operation at all

modes of operation, safe shutdown and general maintenance. The Contractor

shall verify that the trainees are completely familiar with all phases of such

procedures and are capable of operating and maintaining the equipment

successfully.

4.3.4. Factory Testing:

The Contractor shall perform, according to IEC 60439-1 Standard, routine

tests on each component, at the factory, before shipment.

The Purchaser shall be given a written notice of the forthcoming tests, of at

least 60 days, with a list of the proposed test procedures for review and

approval. Purchaser's representatives shall be given access to participate to

the tests.

4.4. Work by Others (Facilities and Services to be provided by the Purchaser)

In performing its duties the Contractor shall not be required to provide facilities,

services and equipment as detailed below [further details with respect to

Purchaser's undertaking regarding qualifications, quality, quantities and scheduling

should be in accordance with Contractor’s information defined in scope of design

and should be stated in Contractor’s proposal]:

4.4.1. Purchaser's Scope of Supply:

- Erection of the supplied equipment

- Cables (Power, instrumentation and control)

- Cable trays to MCC columns

- Fire protection

- Power sources for Contractor's tools.


BZE-2514 B - 7

4.4.2. Purchaser's Scope of Design:

General arrangement drawings

Key diagrams

Wiring diagrams

4.4.3. Erection Services

The Purchaser shall provide all the necessary labor force, general purpose

tools and facilities in order to erect and install the Equipment provided under

this Specification, following Contractor’s instructions and according to

Contractor’s plans, procedures and supervision.

4.4.4. Commissioning, Start-up and Performance Test Services

The Purchaser shall provide all the necessary labor force, general purpose

tools and facilities in order to perform commissioning and start-up of the

provided equipment, following Contractor’s instructions.

4.5. Terminal Points and Terminal Connections

Contractor shall terminate the Equipment provided under this Specification at the

agreed upon terminal points with the appropriate terminal connections [Contractor

shall include in the Proposal a definition for all terminal connections] taking into

consideration that:

All furnished equipment shall be terminated at the terminal blocks for incoming and

outgoing cables.

4.6. Commissioning

The commissioning of the Equipment shall be conducted in accordance with the

provisions set forth in Annexure “D” to the Contract – Equipment Performance

Guarantees.

4.7. Guaranteed Performances and Testing

The performances of the Equipment shall be verified by a site test in accordance

with the provisions set forth in Annexure “D” to the Contract – Equipment

Performance Guarantees.

5. SUPPLEMENTS:

The following supplements are attached hereto and their requirements form an

integral part of this specification - to the extent they are consistent and conform with

the requirements specifically set forth herein. In the event of a variance between the


BZE-2514 B - 8

requirements of the Supplements and the particular requirements set forth in the

Specification, the requirements specifically set forth in the Specification shall take

precedence.

5.1. Purchaser's general documentation, quality assurance and quality control

requirements:

5.1.1. Standard 01-1E: Standard Specification for Contractor’s Drawing

and Data Transmittal.

5.1.2. Q-APP-02-PR: Quality requirements from suppliers

5.2. Description of existing facilities and Purchaser's drawings

5.2.1. Orot Rabin Power Station drawings:

5.2.1.1. MCC section:

5.2.1.1.1. BM5/E2-52K-0001-0002

5.2.1.1.2. BM5/E1-52K-0002-0002

5.2.1.1.3. BM5/E1-52K-0007-0002

5.2.1.1.4. BM5/E1-52K-0009-0002

5.2.1.1.5. BM5/E1-52K-0010-0002

5.2.1.1.6. BM5/E1-52W-0004-0042

5.2.1.1.7. BM5/E1-52W-0006-0032

5.2.1.1.8. BM5/E1-52W-0006-0045

5.2.1.1.9. BM6/E1-52K-0001-0002

5.2.1.1.10. BM6/E1-52K-0002-0002

5.2.1.1.11. BM6/E1-52K-0007-0002

5.2.1.1.12. BM6/E1-52K-0009-0002

5.2.1.1.13. BM6/E1-52K-0010-0002

5.2.1.1.14. BM9/05-E00-E00002-XX

5.2.1.2. FGD EMCC section:

5.2.1.2.1. BM9/25-E12-K90001-AL

5.2.1.2.2. BM9/25-E12-K90002-AL

5.2.1.2.3. BM9/25-E12-W10037-AL

5.2.1.2.4. BM9/25-E12-W50037-AL

5.2.1.2.5. BM9/20-E00-E00002-XX

5.2.2. Rutenberg Power Station drawings:


BZE-2514 B - 9

5.2.2.1. ZA1/E1-52K-0001-0002

5.2.2.2. ZA1/E1-52K-0002-0002

5.2.2.3. ZA1/E1-52K-0010-0002

5.2.2.4. ZA1/E1-52K-0011-0002

5.2.2.5. ZA1/E1-52W-0004-0026

5.2.2.6. ZA1/E1-52W-0005-0013

5.2.2.7. ZA1/E1-52W-0009-0014

5.2.2.8. ZA2/E1-52K-0001-0002

5.2.2.9. ZA2/E1-52K-0002-0002

5.2.2.10. ZA2/E1-52K-0010-0002

5.2.2.11. ZA2/E1-52K-0011-0002

5.2.2.12. ZA0/05-E00-E00002-XX

5.3. Purchaser's standard electrical requirements and data sheets:

5.3.1. EPD-A.05 Standard Specification for Control Cubicles

5.3.2. EPD-A.03 Control Cubicles – Electrical Wiring Requirements

5.3.3. EPD-2 Standard requirements for painting and corrosion

protection of electrical equipment

6. STANDARDS AND CODES:

6.1. Standards and Codes referenced in this Specification and in the Supplements to this

Specification, form an integral part of this Specification - to the extent their

requirements are consistent and conform with the requirements specifically set forth

herein. All such Standards and Codes are to the issue, including all amendments,

supplements, etc., current as of the date of the Contract, unless indicated otherwise.

In the event of a variance between the requirements of the Standards and Codes

and the particular requirements set forth in the specification, the requirements

specifically set forth in the Specification shall take precedence.

6.2. The Equipment to be provided under this Specification, including all appurtenances

and accessories, shall be designed, fabricated, inspected, tested, stamped and

preserved to the extent indicated in said referenced Standards and Codes. Where

this Specification does not include such reference, The Equipment, or any of its

components, shall be designed, fabricated, inspected, tested and preserved, as

applicable, to comply with currently recognized International and/or Contractor's

Standards, whichever are tighter and more restrictive.


BZE-2514 B - 10

6.3. The Contractor may propose Standards and Codes as alternates for, or additions to

those specified herein. A copy of each proposed Standard and code, if any, shall be

submitted (in English) for Purchaser's approval. In case Purchaser's approval is

granted, the Contractor shall remain responsible for the compatibility of the design

and the physical interfaces between the supplied Equipment and the equipment

supplied by others.

6.4. The Purchaser shall assist Contractor in identification of Israeli codes and standards

applicable to the Work. In all cases Contractor shall adhere to and comply with the

requirements of Israeli official standards found to be more restrictive than those

specified herein.

6.5. Subject to the provisions stated above, the equipment shall be designed,

manufactured, erected, tested operated and maintained in accordance with the

standards, regulations, directives and publications of the following agencies and

organizations:

IEC: International Electrotechnical Commission.

OSHA: Occupational Safety and Health Administration, as applicable

Fire detection: SI 1220, Fire detection systems, edition 2008, part 3,

paragraph 7.2.

Local industry standards

7. QUALITY ASSURANCE AND QUALITY CONTROL:

7.1. Without derogating from the provisions of the General Conditions, Contractor's

quality system shall meet the requirements of Purchaser's Standard Q-APP-02-PR,

"Quality Requirements", and of the requirements of the Inspection and Test Plan, all

as further detailed in Annexure "M" to the Contract.

7.2. The Contractor and the main subcontractors shall be certified to ISO-9001-2000 by

a certification body qualified to EN-45004 levels A or C or otherwise as may be

acceptable to the Purchaser.

7.3. The Contractor shall submit upon request a copy of its Quality Assurance Manual

including Quality Procedures.

7.4. The choice of main subcontractors shall be subject to Purchaser's approval and the

Contractor shall be responsible for assuring that their quality assurance/quality

control programs, including their organizations, procedures, personnel qualifications,

etc., meet Purchaser’s quality requirements. Contractor [also Suppliers at the first


BZE-2514 B - 11

stage of proposal evaluation] may propose possible sub-suppliers by submitting to

the Purchaser a formal request for approval with sufficient details for evaluation

including country of origin for design and manufacturing, proven experience with

respect to equipment of the same size and functionality, quality assurance,

catalogues, functional parameters and technical data.

7.5. Obligation to meet Israeli Standard SI 4295:

Before shipment and as a condition precedent for delivery, the Contractor shall

supply Purchaser with the certification of the Israeli Standards Institute that its

Equipment conforms to Israeli Standard 4295. [Tender participants should include in

their proposals a written undertaking to comply with SI 4295].

8. SHIPMENT AND HANDLING OF GOODS AND DOCUMENTATION

The Contractor shall comply with the requirements for Shipment and Handling of

Equipment set forth in Annexure "R" to the Contract and additionally with the following

supplementary requirements:

8.1. All components or accessories shipped detached for field mounting or field

assembly shall be suitably tagged to allow easy identification. Tags shall be

stamped with cross reference data such as Manufacturer's Name, Contract No.,

Power Station, Unit No., reference drawing and Equipment Designation, and shall

be exceptionally durable and securely tied to items by wire or other methods

approved by Purchaser.

8.2. Major pieces of Equipment shall be supplied with securely tied nameplates

(Adhesive fastening is not acceptable) including manufacturer’s name, model

number, serial number and additional information, such as voltage, frequency, etc.

8.3. Unless specially designated, all Equipment and other items shall be packaged for

outdoor storage until erection. Where required by the nature of the Equipment, the

Contractor shall furnish and install necessary covers to protect the Equipment from

sand, rain, hail, wind, dust and salt spray. Equipment shall be adequately sealed

and protected during shipment to prevent corrosion and entrance of foreign matter.

All exposed machined surfaces shall be protected where required with a suitable

antirust compound or covers before shipment, for shipment and storage until

erection.

8.4. Before packing, the equipment shall be cleaned to remove all dirt and waste

material left for fabrication, to the extent that it can be put into service without

further cleaning.


BZE-2514 B - 12

8.5. The top, back and bottom ends of the equipment shall be provided with a

temporary enclosure, tightly sealed to prevent entry of foreign matter during

transport and storage at the job site. The entire equipment shall be adequately

protected to prevent damage to components during handling and transport.

8.6. The equipment shall be carefully packaged to ensure arrival to the plant site

undamaged by handling and weather.

9. SAFETY, NOISE, ENVIRONMENT AND LOADING REQUIREMENTS

9.1. Safety

The Equipment supplied under this Specification shall meet the U.S.

"OCCUPATION, SAFETY, AND HAZARD ADMINISTRATION" (OSHA)

requirements.

9.2. Noise

The noise level of the supplied Equipment shall not exceed an A-weighted sound

level of fifty five (55) dB(A) at a distance of one (1) meter from any major surface.

9.3. Environmental Conditions

The Orot Rabin and Rutenberg Power Stations are located near the Mediterranean

coast. The supplied equipment shall be installed indoors, in an air conditioned

Electrical Switchgear Room. Nevertheless, all items shall be suitable for operation

without any restriction at the following conditions of the surrounding air:

Temperature: between +0ºC and +45ºC.

Humidity : Up to 95%

9.4. Earthquake Loads

9.4.1. The seismic design of buildings and structures in Israel is governed by the

provisions of the Israeli Standard 413 “Design Provisions for the Earthquake

Resistance of Structures”.

According to this Standard, the seismicity of the site is expressed by the

expected horizontal ground acceleration coefficient Z:

Z = ah,max/g.


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The maximum expected ground acceleration ah,max has the meaning of peak

horizontal ground acceleration, expressed in m/sec2, with a 90% probability

not to be exceeded over a 50 years period. The gravity acceleration g = 9.81

m/sec2.

The expected horizontal ground acceleration coefficient (Z), per provisions of

the Amendment 2 (2004) to the Israeli Standard 413 is 0.11 for the Orot

Rabin Power Station and 0.09 for Rutenberg Power Station.

9.4.2. Seismic environment for electrical equipment:

The seismic environment is defined according to IEC Publication 60068-3-3

("Seismic test methods for equipment") for "General seismic class".

9.4.2.1. For the Scope of Work the peak acceleration at the ground level shall

be taken 2

9.4.2.2. The value of the super-elevation factor (k) shall be:

k=1 for equipment mounted on rigid foundation

k=1.5 for equipment rigidly connected to buildings

k=2 for equipment installed on stiff structure connected rigidly to

building (access (raised) floor)

9.4.2.3. The equipment shall comply with the relevant Qualification Criterion,

according to paragraph 4.3 of IEC Publication 60068-3-3, which fulfils

the required functionality statements.

10. RESERVED

11. TECHNICAL DOCUMENTATION

The Contractor shall provide all documentation required by this Specification and by

applicable Standards and Codes, in the required format, form and submission

schedule, as detailed in Annexure "J" - Documentation Submission Schedule.

12. SPARE AND RENEWAL PARTS

The Contractor shall provide upon purchaser's request as purchaser's option spare

parts at their itemized prices, subject to the applicable terms and conditions, all as

further detailed in Annexure "C1"- Summary of Prices and Delivery Schedule.


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13. EXISTING MCC ASSEMBLIES DESCRIPTION

The existing MCC assemblies are of TN-S system, 50Hz, 3 phases, 5 wires, solidly

grounded system with separate neutral (N) and protective earth (PE) buses

(3X400V+N+PE). The compartments are of withdrawable type.

The EMCC assemblies were manufactured by former "Feuchtwanger Industries

Ltd" company, today "Afcon Industries Ltd".

No mechanical drawings as lay-out, front view, sections, etc are available.

14. Technical Requirements for FGD EMCC and MCC sections.

14.1. General requirements

The 400V network is a TN-S system, 50Hz, 3 phases, 5 wires, solidly grounded

system with separate neutral (N) and protective earth (PE) buses

(3x400V+N+PE).

14.2. Technical standards

The 400V FGD EMCC, MCC sectionsand all associated equipment shall be

designed, manufactured and tested in accordance with the latest applicable

issue of the following standards:

- Israeli Standard SI 1419 part 1

- IEC/EN Publication 60439-1

- IEC/EN Publication 60439-2

- IEC/EN Publication 60947 series.

14.2.1. For the purpose of this specification, IEC/EN Publications 60439-1 and

60947 series definitions apply.

14.2.2. All equipment shall comply with the relevant harmonized European

standards and must carry the CE mark.

14.2.3. The 400V FGD EMCC assemblies, MCC sections and all related

equipment shall be of type tested model, tested by a LOVAG (Mutual

Agreement Group of Certification Bodies) or by an internationally

accredited laboratory.

14.3. FGD EMCC and MCC sections equipment description.

14.3.1. 400V minimum required electrical capabilities:

14.3.1.1. Rated frequency 50Hz

14.3.1.2. Voltages


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Rated operational voltage Ue: 400VAC+10%

Rated insulation voltage Ui: 690VAC

Rated impulse withstand voltage Uimp at 50Hz: 6kV

14.3.1.2.1. Control voltage

14.3.1.2.1.1. For electrically operated Air Circuit Breakers and

protection relays 220VDC

14.3.1.2.1.2. Other circuits 230VAC

14.3.1.3. Degree of pollution: 3.

14.3.1.4. Currents

14.3.1.4.1. Current ratings at 50Hz, +40 ºC ambient air temperature

surrounding the FGD EMCC:

14.3.1.4.1.1. FGD EMCC bus continuous current rating: 1000A

14.3.1.4.1.2. EMCC bus: 600A

14.3.1.4.1.3. MCC bus 600A

14.3.1.4.1.4. Vertical buses 350A

14.3.1.4.1.5. Connecting buses to the circuit breakers and

to outgoing cables Circuit Breaker frame

14.3.1.4.1.6. Rated short time withstand current (1s) Icw: 50kA

14.3.1.4.1.7. Rated peak withstand current Ipk: 110kA

14.3.2. Design.

The 400V MCC sections shall be of front and rear access type, while FGD

EMCC assembly shall be of front access only type, with IP 30 degree of

protection.

The 400V assemblies required under this Specification are stationary

multi- cubicle type tested low voltage metal enclosed draw-out type

assemblies, with Form 3b internal separation.

They are divided in three areas:

- a front access compartments area, including the required switchgear

and control gear equipment: circuit breakers, motor starters,

instruments, etc.

- a segregated bus bars area;

- a cable connection area, of 600mm width.

All compartments shall be of fully draw-out type (line and load side).

All equipment and components shall be of new construction only.

Equipment of the same type and rating shall be physically and functionally

interchangeable-like parts, when interchanged, shall perform equally their

function well in every respect.


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The 400V assemblies shall be designed so as to allow addition of vertical

sections in the future.

The assemblies shall be provided fully equipped.

Each compartment door shall be provided on the front side with concealed

hinge and a latch, to secure the door and allow access to circuit breaker

and the associated equipment. The door shall have provisions for

padlocking.

If the air circuit breaker compartment is of a "through the door" type

design, a transparent protective cover shall be fitted on the front of each

circuit breaker, without modifying the assembly's degree of protection.

Bolt-on panels shall be provided on the top and at both ends of assembly,

to allow easy access to inside fitted equipment.

The sections shall be fully segregated between them, including the cables'

connection area. Each power circuit shall be segregated by a protective

barrier.

The steel sheets thickness shall be at least as of the type tested model.

The cable compartment shall be free of any apparatus or instruments, but

current transformers.

Suitable attachments shall be provided for lifting and moving the assembly

to the final location.

Within each column, on top cover, a removable plate of 250X250mm shall

be provided, in order to mount a fire detector. Around the opening, a

space of 100 mm in all directions shall be kept free.

Provisions for cable entrances shall be provided in the top and bottom

plates of the cable connection areas.

In the cable connection area transparent insulated shields shall be

provided, in order to protect the personnel against accidental contact.

The MCC sections are provided with the buses L1, L2, L3, N, PE.

The 400V FGD EMCC assembly includes two bus sections:

1L1, 1L2, 1L3, 1N, 2L1, 2L2, 2L3, 2N, PE.

The two bus sections are connected through coupler system. The coupler

system includes an air circuit breaker and a hand operated disconnector

switch, in air circuit breaker frame, connected in series.

The sections include air circuit breaker compartments, motor starter

compartments, feeder compartments and instrument compartment. They

shall include a control transformer to provide test voltage to the motor

starter compartments, while they are in test position, only.

The air circuit breaker section shall be of 800mm wide, at least.

14.3.2.1. The 400V FGD EMCC assembly shall be mounted on access (raised)

floor. The base shall be designed by Contractor.


BZE-2514 B - 17

The assembly shall be divided in three parts, connected by busbar

trunking systems:

- one part with MCCB, including the feeders for un. 5 consumers only.

- one part including air circuit breaker frame sections no longer than

6m.

- one part with MCCB, including the feeders for un. 6 consumers only.

- The space between the two parts shall be not less than the sum of the

length of the greatest withdrawable unit of each part, plus 600mm.

14.3.2.2. Nomenclature for present or future equipment without a service name

is as follows:

14.3.2.2.1. “Spare” indicates a fully equipped and wired compartment, as is

required by Purchaser in his drawings, without to be connected

to a consumer.

14.3.2.2.2. “Future” indicates a fully wired compartment including guide

frame or drawer, power buses, but without main disconnecting

equipment, as is required by Purchaser in his drawings.

14.3.2.3. Blank spaces are not accepted. The unused space shall be configured

as "Future" compartments of panel feeder type.

14.3.3. Buses and bus connections for EMCC and MCC columns.

The buses shall be of solid hard drawn electrolytic copper.

The bus bars shall be of arc-proof type.

An insulated neutral (N) bus shall run the entire length of each bus

section and in each vertical section, in the cable connections area. It shall

be of one half cross section of the main bus.

14.3.3.1. A protective earth (PE) bus, at least of 50x10mm cross section copper,

shall be fitted in the cable connections area and shall run the entire length

of the assembly. It shall be directly bonded to the steelwork. The protective

earth bus shall be provided at the two ends with the necessary means to

connect it to the station’s grounding network, through a 240 mm² cross

section conductor.

14.3.3.2. All buses shall be marked as follows:

14.3.3.2.1.1. - L1 phase bus 1L1, 2L1,

14.3.3.2.1.2. - L2 phase bus 1L2, 2L2,

14.3.3.2.1.3. - L3 phase bus 1L3, 2L3,

14.3.3.2.1.4. - N neutral bus 1N, 2N,


BZE-2514 B - 18

14.3.3.2.1.5. - PE protective earth bus Yellow-green

14.3.4. Protective earth

The mechanical structure and all metallic non-live parts of each section

shall be connected directly to the protective earth bus (PE).

Where the door is fitted with control equipment, it shall be solidly grounded

by means of a flexible grounding strap of braided copper.

Each PE wire shall be connected to PE bus through a dedicated screw,

only.

In order to earth each EMCC bus section's main buses, a four pole

withdrawable earthing truck shall be provided in the preferred feed

compartment.

14.3.5. Corrosion protection and painting.

The painting shall be according to IECo standard EPD-2, as applicable for

indoor mounted equipment. The painting technology shall permit repair in

the field. An adequate supply of touch-up paint shall be provided by

Contractor.

14.3.6. Wiring

Control and power wiring, wiring accessories, terminal blocks shall

comply with Israel Electric Corporation’s (IECo) Standard EPD-A.03

and shall be provided by the Contractor.

14.3.6.1. Regarding EPD-A03 Standard, the following exceptions are accepted:

- item 4.9 "Both ends of each wire shall be tagged with plastic printed

markers". The markers shall be tear, heat and chemical resistant.

Item 5.8 "The terminal blocks shall be mounted as in the type tested

configuration or, not closer than 70 mm from the wall and 150 mm from

the cable entrance.

All non metallic components shall be flame retardant, self-extinguishing,

free of CFC and halogens.

Power wiring shall be made of 750V rated XLPE insulated stranded

copper type conductors.

The control wires shall be of 750V rated XLPE insulated stranded copper

type wires.

14.3.6.2. The cable connection terminals’ cross section areas as indicated in

IEC 60439-1 Standard, Annex A, Table A.1 "Cross section max" are

accepted, only.

14.3.7. Circuit breakers.


BZE-2514 B - 19

Two types of circuit breaker shall be used in the power circuits:

- Air Circuit Breaker (ACB)

- Molded Case Circuit Breaker (MCCB)

The circuit breakers shall comply to IEC 60947-2 Standard. They shall

be of type tested model and type test reports shall be submitted with

proposal, as a mandatory requirement.

14.3.7.1. Air circuit breaker.

The circuit breakers of EMCC main feeders, EDG, coupler, UPS main

feeders and motorsrated 90kW and above shall be of withdrawable air

circuit breaker type, with stored energy mechanism, tripping unit and

electrically operated.

The air circuit breakers shall be of four pole type, but three pole type for

motors and UPS only.

They shall be supplied complete with all appurtenances and

accessories, to form a complete unit, to achieve and assure safe and

reliable operation.

14.3.7.1.1. Required capabilities:

- Utilization category: B

- Rated operational voltage Ue: 400V

- Rated insulation voltage Ui: 1000V

- Rated impulse withstand voltage Uimp: 6kV

- Rated ultimate short circuit breaking capacity Icu: 50kArms/400V

- Rated service short circuit breaking capacity (100% Icu) Ics

50kArms/400V

- Rated short time withstand current Icw (1s): 50kA

- Rated operating control voltage: 220VDC

- Rated current at 40°C As indicated in key diagram

14.3.7.1.2. The breaker compartment shall provide the following positions

of the circuit breaker:

- Connected

- Test

- Disconnected.

The compartment door can be closed for any position of the

circuit breaker.

14.3.7.1.3. Provisions shall be provided for circuit breaker's manual

operation.

Interlocks shall prevent moving the breaker to, or from, the

operating position, unless it's main contacts are in the open


BZE-2514 B - 20

position.

The circuit breaker shall be equipped with stored energy

mechanism.

The motor operated stored energy mechanism shall operate after

Breaker’s closing operation.

Each circuit breaker shall be provided on the fixed part with all

appurtenances and accessories, including position signaling

switch, shutter, shutter locking device and terminals.

14.3.7.1.4. On the moving part each circuit breaker shall be provided with

the following, at least:

- pushbuttons for manual operations

- lever for manual closing spring charging

- main contacts position indicator

- closing spring charge mechanical indicator

- protection released tripped mechanical indicator

- operation counter

- lock in open position

- padlockable in isolated-withdrawn positions

- devices for racking-in, out, operations

- sliding auxiliary contacts

- auxiliary switches of circuit breaker open/closed positions

-digital protection unit with fault trip reset button, LCD display

and electrical contact for tripped status

- motor operated spring charging mechanism

- shunt trip release

- closing spring release

- anti pumping relay

- closing spring charged signaling contacts

- arc chute

All electrical contacts (whether used or not) shall be wired to

terminals.

14.3.7.1.5. Protection

The circuit breakers shall be provided with digital protection unit

including rear lit graphic display.

The unit shall allow the set up of the protection unit and a

detailed post trip analysis via a hand operated terminal or a

laptop, through a communication port, or wireless.

The operations shall be menu assisted and the following

operations shall be provided:

- setting of parameters


BZE-2514 B - 21

- detailed post trip analysis

- display of the setting parameters, of the actual measured

values (currents), status data, etc.

- testing of protection functions.

The digital protection units of air circuit breakers shall be fed

through a dedicated MCB from a protected suitable power

source, connected to 230VAC, provided by Purchaser.

14.3.7.1.5.1. Tripping system

The tripping system of each circuit breaker shall provide

the following functions:

- L - long delay protection

- S - short delay protection

- I – instantaneous protection

- G- earth fault protection

- Rc- residual current protection with external current

transformer, for motor feeders only.

14.3.7.1.6. Control power supply.

The air circuit breakers control voltage is 220 VDC. The

220VDC network of each EMCC section is fed from two external

sources, through a 3 position selector switch.

The control voltage to each motor feeder air circuit breaker is

provided through a dedicated 220 VDC miniature circuit

breaker.

The main feeder, coupler and EDG circuit breakers have two

dedicated control circuits:

- one for closing circuit and the spring charging motor

- one for the trip circuit.

The circuit breakers are controlled by PLC (not part of this

Specification).

14.3.7.1.7. Auxiliary voltage supply circuit, protected by a dedicated

miniature circuit breaker for each protection unit, shall be provided,

too.

14.3.8. EMCC Disconnector switch.

The disconnector switch shall be of withdrawable type, in air circuit

breaker frame. It has the same electrical data as the coupler circuit

breaker, but without breaker capacity under short circuit. It shall be

manual operated and fitted with auxiliary switches and safety padlock

in closed position.


BZE-2514 B - 22

14.3.9. Each Incoming feeder compartment shall be provided with a

separate 220VDC control circuit for Earthing Truck interlocks,

protected by a dedicated MCB.

14.3.10. Instrument compartment

Each bus section shall be provided with instrument compartment.

The instrument compartment shall house the following devices,

supplied by Contractor:

- one multifunction digital protection relay

- one auxiliary relay with 220 VDC coil, 2 change over contacts,

- one indicating light.

- one lock out relay

- one 220VDC two pole, three position, selector switch

- all the necessary meanings in order to connect the multifunction

protection relay to the main circuits.

- terminals

14.3.10.1. Multifunction digital protection relay.

It shall be connected as follow:

- voltage to main bus through potential transformer,

- current transformer, as indicated in Key Diagram

The multifunction digital relay shall be provided with a communication

unit with LON (IEC 61850) protocol and fiber optic interface. The

auxiliary power supply shall be of 220 VDC.

It shall provide the following independent functions:

- undervoltage (427)

- overvoltage (459)

with the following features:

- wide setting ranges and fine setting steps

- separately adjustable, independent timers for each function

- independent trip delays for each function

- independent tripping characteristic

- two output contacts for each function

- U, I connection to 3X400 V/ 50 Hz.

- HMI

The following parameters shall be displayed:

- the setting parameter of each protection function

- the value of the primary measurements which actuated the

protections

- currents

- voltages


BZE-2514 B - 23

- maximum current demand per each phase

- frequency

- power factor

- power

- energy

14.3.11. Earthing truck.

14.3.11.1. The Earthing truck, in "Connect" position, main contacts shall

shortcircuit and connect the main buses ( nL1, nL2, nL3, nN, while

n=1, 2) to earth bus (E).

14.3.11.2. The Earthing truck, in "Test" and "Connect" positions, auxiliary

contacts shall trip and block the closing of the Main Feeder, EDG

and Coupler Circuit breaker.

14.3.12. Miniature Circuit Breakers

All miniature circuit breakers shall be provided with NO+NC auxiliary

contacts and with trip (signal) contacts (1NO+1NC). The non used

contacts shall be wired to terminals.

14.3.12.1. The DC rated miniature circuit breakers shall be rated for 5KA

interrupting capacity at 220VDC.

14.3.13. Instrument transformers

All instrument transformers shall be provided, mounted and wired by

Contractor. The instrument transformers shall be connected through

suitable switching, isolating and protective devices. They shall be

rated for 55°C ambient and insulated for 2200 V.

The instrument transformers shall be of type tested models, as

required by IEC 60044-1, 60044-2 Standards.

All instrument transformers shall be grounded. The current

transformers terminals shall be provided with jumpers to prevent an

open circuit.

The rated output for measuring current transformer shall be 2.5 VA

class 0.5 FS 10 at 5A secondary

winding rated current.

The rated output for protection current transformer shall be 2.5 VA

class 5P20 at 5A secondary winding rated current.

14.3.14. Two types of outgoing feeder units shall be provided:

- motor starter compartment, for motors rated less than 90kW.

- cabinet feeder compartment


BZE-2514 B - 24

14.3.14.1. A cabinet feeder type compartment shall include a molded case circuit

breaker (MCCB) and terminals.

Wiring Drawings:

Orot Rabin Power Station, Units 5, 6.

BM5/E1-52W-0006-0045

Orot Rabin Power Station FGD EMCC

BM9/25-E12-W50037-AL

Rutenberg Power Station, Units 1, 2.

ZA1/E1-52W-0005-0013

The MCCB protection unit shall include overload and short circuit

releases.

The MCCB shall be provided with 1NO+1NC auxiliary contacts and

with 1NO+1NC trip (alarm) indicating contacts. The trip contacts

change their position when a short circuit or overload occurs.

All contacts shall be wired to terminals.

14.3.14.2. Motor starter compartment.

A motor starter compartment shall include: molded case circuit

breaker with short circuit releases, contactor, overload relay, control

transformer, miniature circuit breaker, interposing relay, a two pole

two position selector switch, drawer test position 2NO contacts limit

switch, etc.

The motor starter shall be of Type 2 coordination type.

A yellow indicating light fitted on the front of each motor starter

compartment shows the tripping of the overload relay.

Wiring Diagrams

Orot Rabin Power Station, Units 5, 6.

BM5/E1-52W-0006-0032 for motor rated up to, and including,18.5kW.

BM5/E1-52W-0004-0042 for motor rated above 18.5kW.

Orot Rabin Power Station FGD EMCC

BM9/25-E12-W10037-AL

Rutenberg Power Station, Units 1, 2.

ZA1/E1-52W-0004-0026 for motor rated up to, and including,18.5kW.

ZA1/E1-52W-0009-0014 for motor rated above 18.5kW.

14.3.14.2.1. The 230VAC control circuit of each motor shall be fed from a

dedicated 160VA rated control transformer fitted in the motor's

dedicated compartment, which includes the necessary control

and switchgear equipment.


BZE-2514 B - 25

The control transformer shall be fed from 400V through

dedicated circuit breaker. The 230VAC circuit shall be protected

by two pole miniature circuit breaker, connected to the selector

switch.

The motor is controlled by PLC (not part of this specification).

14.3.14.2.2. A dedicated motor heater circuit shall be provided, too, for

motors rated above 25kW. It shall include a motor heater

dedicated MCB, a contactor NC contact and a closed contact

of drawer "Disconnect" position limit switch.

14.3.14.3. Molded case circuit breakers (MCCB).

The molded case circuit breakers shall be of three pole, type

tested to IEC 60947-2 standard.

Each MCCB shall be provided with 1NO+1NC auxiliary contacts

and with 1NO+1NC trip (alarm) indicating contacts. The trip

contacts shall change their position when a shortcircuit

occurs.

All contacts shall be wired to terminals.

The manual operating handle will be fitted on the front of

compartment’s door, padlockable in OFF position and with clear

indication of circuit breaker’s status: “ON”, “OFF”, “TRIPPED”.

14.3.14.3.1. Electrical characteristics

Utilization category: A

Rated operational voltage Ue: 400V

Rated insulation voltage Ui: 750V

Rated impulse withstand voltage Uimp: 6kV

Rated ultimate short circuit breaking capacity Icu:

50kArms/400VAC

Rated service short circuit breaking capacity Ics

(100%Icu) 50kArms/400VAC

14.3.14.3.2. Tripping unit.

Feeder. The tripping unit shall be of thermo magnetic type.

Motor feeders. The tripping unit shall be of adjustable

instantaneous magnetic type only. The instantaneous release

shall be set at no more than thirteen (13) times the load rated

current.

14.3.15. Miniature circuit breakers (MCB)

They shall comply with IEC/EN 60898 or 60947-2 standards.


BZE-2514 B - 26

All MCB's connected to 400V shall have a short circuit interrupting

capacity as of the molded case circuit breakers connected to same buses.

The MCB connected to 230V shall have 10kA service short circuit capacity

at 400V.

Each MCB shall be provided with auxiliary contact and trip indicating

auxiliary contact.

14.3.16. Contactors

The contactors shall comply with IEC 60947-4-1 standard, utilization

category AC-3. They shall be chosen for 106 operations.

All contactors shall be of screw connection type only.

Each contactor shall be provided, at least, with two normally open (NO)

and two normally closed (NC) auxiliary contacts, in any mounting

position. Provisions shall be provided for additional auxiliary contacts.

14.3.16.1. Electrical characteristics

14.3.16.1.1. Main contacts

Rated operational voltage Ue: 400V

Rated insulation voltage Ui: 690V

Rated impulse withstand voltage Uimp: 6kV

14.3.16.1.2. Control

The contactors’ coils shall operate within the range 0.8-1.1 of

their rated voltage ( with all accessories fitted).

The coil voltage of contactor rated up to, and including, 18.5kW

is 230VAC. For contactor rated above 18.5kW the coil voltage

is 400V.

14.3.17. Thermal overload relays.

They shall comply with IEC/EN 60947-4-1 standard, Trip class 10.

Each overload relay shall be provided with one NO and one NC auxiliary

contacts, a selector for manual or automatic reset and a test button.

14.3.18. Control transformers.

They shall comply with IEC 61558-2-2 standard.

The transformer shall have copper windings, with thermal class F and

vacuum varnish impregnated.

The input side shall be provided with tapping for 400V ±5%.

The transformer shall be electrically protected on both sides. The

secondary shall have one side grounded and the other side protected.

The control transformer rated short circuit voltage shall be 4-5%.


BZE-2514 B - 27

14.3.19. Compartments numbering.

The compartments numbering type is of XY form, where X is the

column number and Y is the sequence of the compartment from top to

bottom in the same column. The columns are in upward sequence,

beginning with the main feeder column.

14.3.20. Busbar Trunking System.

14.3.20.1. General requirements

The Contractor shall provide non flame propagating busbar trunking

systems ( insulated bus bars with metal enclosure ), to connect the

EMCC sections (Orot Rabin Power Station only).

They shall be of a type tested to IEC 60439-2 Standard model and

Comply to requirements of IEC 60695 Standard Items 2-10 to 2-13

and IEC 60332 Standard part 3.

The busbar trunking system shall be tested to sprinkler test for at least

30 minutes.

The busbar trunking system shall be of compact technology made,

and fully insulated with a halogen free polyester sheath.

The degree of protection shall be IP 54, including the connection to

switchgear assemblies.

14.3.20.2. Electrical characteristics.

The electrical characteristics shall be the same as for the existing

EMCC sections, with rated current of 600A and for FGD EMCC with

rated current of 1000A.

The bus bar bar trunking system shall have the 3P+N phase

configuration.

The marking shall be as follows:

L1 phase bus…………………………L1



N neutral bus………………………...N

14.3.20.3. Construction details

The buses shall be of aluminum made isolated conductor bars.

The metal enclosure shall be grounded.

The conductor’s insulation shall be of halogen free class B polyester,

or equivalent.

The buses shall be arranged in the following phase arrangement: L1,

L2, L3, N from front to rear, top to bottom, or left to right when viewed

from front.


BZE-2514 B - 28

The conductors shall be of aluminum, galvanic tin plated along the

whole length, insulated with B class polyester film and extruded

polypropylene sleeve polyester film.

Flexible connectors should be provided for bus bar connections to the

EMCC main copper buses.

The flexible connectors should be of braided copper wires, with silver

plated contact surfaces (thickness =12microns).

The case shall be of aluminum alloy extruded profile, connected to PE

bus.

The trunking system shall be provided with expansion elements, to

Absorb the buses relative movements.

14.3.21. Design of Openings in the existing MCC.

14.3.21.1. Openings in existing MCC shall be designed in order to connect the

MCC sections to the MCC assemblies.

14.3.21.2. Orot Rabin Power Station. In the roof of existing EMCC, openings

shall be designed in order to connect the Bus bar of the trunking

systems to the EMCC main buses.

The contractor, based on his equipment, shall design openings in

Existing MCC assemblies, to allow the connection of the new

equipment provided by him. It shall provide all necessary hardware,

accessories and drawings for each designed opening.

14.3.21.3. The works will be performed in coordination and supervision of

Purchaser's personnel.

14.3.22. Nameplates

All equipment, instruments, relays, terminal blocks, terminals, switches,

circuit breakers, etc, shall be properly tagged and identified in the

manufacturer’s factory with the same mark as in the electrical drawings,

with a nameplate designation as approved by the Purchaser.

14.3.22.1. Each compartment shall be provided on the front and rear door with a

nameplate indicating the follows:

Front door:

- Compartment no.

- Consumer name (in Hebrew)

- Consumer’s equipment no.

Rear door:

- Compartment no.

- Consumer’s equipment no.


BZE-2514 B - 29

- Cables no

14.3.22.2. All FGD EMCC enclosures shall be provided in the middle section of

the top horizontal stationary panels with a nameplate indicating:

- Designation of the switchgear (in Hebrew)

- Switchgear’s equipment no

14.3.22.3. The nameplates shall be engraved laminated plastic type with

engraved letters cut through the white faced layer to expose the black

underlying laminate.

The minimum height of letters shall be 5mm; the main titles shall be of

mm height.

All nameplates shall be fastened with stainless steel screws.

14.4. Floor running lifting truck

The floor running truck shall be provided with manual lifting mechanism and

breaker lifting adapter for moving and lifting the circuit breakers to

compartments. It shall be an approved model in Israel.

14.5. Instruction books

At the completion of work, the Contractor shall provide an instruction book

including the following documents:

- One line diagram of each MCC section, as at the final stage

- Wiring diagram of each type of compartment, at the final stage

- Equipment list

- Instruction manual of EMCC sections maintenance, etc

- Mechanical drawings including views, sections of FGD EMCC, MCC

sections, openings in the existing MCC etc, as at the final stage.

- FINAL -

Annexure B Table of Content - iec.co.il - IEC - Anx - B... · Two 400V Bus Bar Trunking Systems,...

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