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LARSEN & TOUBRO LIMITED- ECCD ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA PHASE I & II AND WEST END EXTENSION, RAS LAFFAN Doc No: 2908-BG35-4033 Contract No: GC 081117B0 Page 1 of 10 Rev. 0 Date 13-02-11 Title of Document RASLAFFAN CITY 33/11KV SS1 SUBSTATION SAT FOR LVAC ELECTRICAL EQUIPMENT TEST Name of project ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA PHASE I & II AND WEST END EXTENSION, RAS LAFFAN Contract No GC 081117B0 Name of client Qatar Petroleum (QP) Name of main contractor LARSEN & TOUBRO LTD ECC DIVISION Discipline Electrical Document No. 2908-BG35-4033 Rev. No. Date Prepared by Reviewed by Reviewed by Approved by PM Approved by Customer Rep. 0

Lvac-sat Procedure for Equipment Test-ss1

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  • LARSEN & TOUBRO LIMITED- ECCD ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 1 of 10

    Rev. 0

    Date 13-02-11

    Title of Document

    RASLAFFAN CITY

    33/11KV SS1 SUBSTATION

    SAT FOR LVAC ELECTRICAL EQUIPMENT TEST

    Name of project

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Contract No

    GC 081117B0

    Name of client Qatar Petroleum (QP)

    Name of main contractor LARSEN & TOUBRO LTD ECC DIVISION

    Discipline Electrical

    Document No. 2908-BG35-4033

    Rev.

    No.

    Date Prepared by Reviewed by Reviewed by Approved by

    PM

    Approved by

    Customer Rep.

    0

  • LARSEN & TOUBRO LIMITED- ECCD ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 2 of 10

    Rev. 0

    Date 13-02-11

    CONTENTS

    SL.NO DESCRIPTION

    1 Title & Approval sheet

    2 Contents

    3 Purpose

    4 Introduction

    5 Abbreviation used

    6 Guidelines to organize the SAT for LVAC

    7 Documentation required

    8 List of LVAC Electrical Equipment test and Procedure

    9 Test Report

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 3 of 10

    Rev 0

    Date 13-02-11

    3. PURPOSE: This test document specifies the scope, the item to be tested and the test procedures for the

    verification of LVAC switchboard. This test document provides systematic procedures in line with Contract

    requirements and specifications to conduct the SAT Successfully

    WHO SHOULD USE THIS DOCUMENT This document is for Site Acceptance Test and Testing engineer, Quality

    Assurance personnel, L&T / QP representatives to test and evaluate the system.

    4. Introduction

    The purpose of this document is to define the Site Acceptance Test procedure of 33/11kv SS1 LVAC

    switchboard equipment for L&T contract with QP project GC 081117B0 Epic For Electrical And Telecom

    Utilities For Support Services Area Phase I & II And West End Extension Of Raslaffan City.

    The tests are performed by approved Testing engineers and witnessed by L&T / QP nominated representatives.

    Each test, which will be signed off upon completion by Testing engineers and L&T / QP representatives.

    This complete SAT document is in two parts. This part specify the Site Acceptance Procedure and the next part

    specify the SAT Test Sheets of the equipment and functionalities

    Comments are noted in separate Incident and Correction Reports (snag list) attached to the SAT Procedure.

    The Site Acceptance Certificate will be signed off upon satisfactory completion of the test by both Testing

    engineers and L&T / QP representatives.

    5. Abbreviation Used

    SAT -Site Acceptance Test

    GA -General Arrangement

    SLD -Single Line Diagram

    QP -Qatar Petroleum

    L&T -Larsen & Toubro

    LVAC-Low Voltage Alternating Current

    6. GUIDELINES TO ORGANIZE SAT FOR LVAC ELECTRICAL EQUIPMENT.

    Testing coordinator Responsibility:

    Obtain Consolidated Permit to Work (CPW).

    The Test panel is ready for pre-commissioning tests.

    Availability of Qualified approved testing engineer.

    Availability of tools and Test Kits and equipments with valid calibration certificate.

    Stable Power Supply for testing.

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 4 of 10

    Rev 0

    Date 13-02-11

    QA/QC Engineer:

    Ensure all AFC drawings are available and work procedures are as per QP standards.

    Preparing request for inspections and getting clearances.

    Complying, Inspecting as per the checklist and maintaining all quality records, standards.

    Check all Testing instruments used are calibrated.

    7. DOCUMENTATION REQUIREMENT:

    Approved Drawing, Two sets of Drawings one for the witness engineer and one for the Testing engineer.

    Catalogues, O&M Manuals, all relevant specifications and protection requirements.

    Approved site test procedures and format.

    Weekly Pre Commissioning & Testing Schedule.

    Clearance from QA/QC to proceed with Testing

    8. LIST OF LVAC ELECTRICAL EQUIPMENT TEST

    I. Current Transformer test

    II. Voltage Transformer test

    III. MCCB test

    IV. Breaker with Micro logic Relay test

    V. Meter calibration

    VI. Auxiliary relay test

    VII. Busbar contact resistance test

    VIII. High voltage test

    A. Current Transformer test:

    Purpose: The following Tests shall be performed and Witnessed by the Clients to ensure the Current

    Transformer operations and its Specific Functions following the Approved SLD.

    Procedure: All tests shall be in accordance with IEC standards IEC 60044 1

    a.)The Visual Inspection shall include

    Check nameplate information for correctness

    Check tightness of all CT secondary Terminal

    Check that all grounding cables are securely connected

    Check color codes(or)sleeves for secondary wiring and size of wires against specs

    Check proper lugs has been used in termination

    Check CTs location physically and secondary terminal labeling printed

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 5 of 10

    Rev 0

    Date 13-02-11

    b.)The Electrical Test shall include

    Insulation Resistance Measurement

    Polarity Tests

    CT Winding Resistance

    Knee Point Voltage Measurement

    Ratio Test

    c.)Insulation Resistance Measurement:

    Purpose: To ensure that the CT is without any insulation failure.

    Procedure: As per the standard IEC 60076, the calibrated Instrument was used to apply the +ve DC voltage to

    Test point and the ve DC terminal for reference point (i.e. Earth) for various condition as per the attached format

    the test to be perform, and note down the value

    Method: Based on the leakage current measurement from test point to reference point the insulation resistance

    value was calculated by the instrument automatically

    d.)Polarity Tests:

    Purpose: The test is to ensure that CT connected is optimized to the circuits and to ensure the direction of

    connections.

    Procedure: During the ratio test the angle displacement for primary and secondary are measured by the testing

    kit automatically and confirmed the polarity.

    Method: OK = phase Isec phase Iprim = -45< 0 < +45

    NOT OK = all other cases

    e.)CT Winding resistance Measurement:

    Purpose: The Test to ensure that winding has got the acceptable resistance as per the FAT reports.

    Procedure: Inject the test D.C Current and D.C voltage as per the recommendations into the winding at the

    temperature and the similar resistance shall be converted for 75 Deg C.

    Measure the Resistance from the kit and recorded in the Test reports.

    Method: Based on voltage drop between the winding, the resistance was calculated

    Note: Care should be taken for the Discharging the winding after the test.

    f.)Knee Point Voltage:

    Purpose: The test is to determine the saturation level of C.T. and to verify as per the Design requirement.

    Procedure: The calibrated instrument was used to apply the AC voltage Gradually at CT secondary up to the level

    of mention VK in name plate.

    Method: According to IEC 60044-1, the knee point is defined as the point on the curve where a voltage increment

    of 10%Increases the current by 50%.

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 6 of 10

    Rev 0

    Date 13-02-11

    Note: Demagnetize the core after the test.

    g.)Ratio Test:

    Purpose: The test is to ensure that the Current transformer shall be selected for the opt ratio with the rated

    primary and the secondary current.

    Procedure: The calibrated instrument was used to inject the recommended current to primary of the current

    transformer and measure the CT secondary.

    Method: The magnitude of the measured secondary current and injected primary current the ratio and error was

    calculated by the instrument automatically.

    Ratio: Measured pri (A) /Measured sec (A)

    Error: (Kn x Isec - Iprim) / Iprim) x 100 Here: Kn-act pri/act sec

    Test Documents:

    Refer SAT for Current Transformer Test Sheet attached.

    Note: Copy of the same test sheets will be used other Feeders CTs.

    B. Voltage Transformer test:

    Purpose: The following Tests shall be performed and Witnessed by the Clients to ensure the Voltage

    Transformer operations and its Specific Functions are following the Approved SLD.

    Procedure: All tests shall be in accordance with IEC standards IEC 60044-2

    a.)The Visual Inspection shall include

    Check nameplate information for correctness

    Check tightness of all terminals

    Check that all grounding cables are securely connected

    Check color coded or sleeves for secondary wiring and size of wires against specs

    Check proper lugs has been used in termination

    Check VTs location physically and secondary terminal labeling printed

    b.)The Electrical Test shall include

    Insulation Resistance Measurement

    Polarity Tests

    VT Winding Resistance

    Ratio Test

    c.)Insulation Resistance Measurement

    Purpose: To ensure that the VT is without any insulation failure.

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 7 of 10

    Rev 0

    Date 13-02-11

    Procedure: As per the standard IEC 60076, the calibrated Instrument was used to apply the +ve DC voltage to

    Test point and the ve DC terminal for reference point (i.e. Earth) for various condition as per the attached format

    the test to be perform, and note down the value

    Method: Based on the leakage current measurement from test point to reference point the insulation resistance

    value was calculated by the instrument automatically

    d.)Polarity Tests:

    Purpose: The test is to ensure that VT connected is optimized to the circuits and to ensure the direction of

    connections.

    Procedure: During the ratio test the angle displacement for primary and secondary are measured by the testing

    kit automatically and confirmed the polarity.

    Method: OK = phase Vsec phase Vprim = -45< 0 < +45

    NOT OK = all other cases

    e.)VT Winding resistance Measurement:

    Purpose: The Test to ensure that winding has got the acceptable resistance as per the FAT reports.

    Procedure: Inject the test D.C Current and D.C voltage as per the recommendations into the winding at the

    temperature and the similar resistance shall be converted for 75 Deg C.

    Measure the Resistance from the kit and recorded in the Test reports.

    Method: Based on voltage drop between the winding, the resistance was calculated

    Note: Care should be taken for the Discharging the winding after the test

    f.)Ratio Test:

    Purpose: The test is to ensure that the Voltage transformer shall be selected for the opt ratio with the rated

    primary and the secondary voltage.

    Procedure: The calibrated instrument was used to inject the recommended Voltage to primary of the Voltage

    transformer and measure the VT secondary.

    Method: The magnitude of the measured secondary voltage and applied primary voltage the ratio and error was

    calculated by the instrument automatically.

    Ratio: Measured pri (V) /Measured sec (V)

    Error: (Kn x Vsec - Vprim) / Vprim) x 100 Here: Kn-act pri/act sec

    Test Documents:

    Refer SAT for voltage Transformer Test Sheet attached.

    Note: Copy of the same test sheets will be used other Bays VTs.

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 8 of 10

    Rev 0

    Date 13-02-11

    C. MCCB test:

    Purpose:

    This test verifies the MCCB Tripping characteristics and rating are following the given name plate as per the

    approved SLD data. In brief, the test verifies the MCCB trip test for each phase

    Procedure:

    1. Record the name and reference number of the panel to be tested in the test sheet

    i. Trip test: The calibrated instrument used to inject the 2 times of set current of MCCB in each pole to

    pole, then the trip time was noted from the instrument and ensure that the time following the trip

    characteristic as per the name plate.

    2. Record if any comments in the Indication and Correction Report

    Test Document:

    Refer SAT Test Sheet

    SAT for MCCB: Copy of the same test sheets will be used for the other MCCB.

    D. Breaker with Micro logic Relay test:

    Purpose:

    This test verifies the Micro logic relay Tripping characteristics and rating are following the given name plate as

    per the approved SLD data. In brief, the test verifies the Micro logic relay with Breaker trip test for each phase

    Procedure:

    1. Record the name and reference number of the panel to be tested in the test sheet

    i. Trip test: The calibrated instrument used to inject the recommended current in Breaker pole to pole of

    each phase, then the trip time was noted from the instrument and ensure that the time following the

    trip characteristic as per the name plate.

    2. Record if any comments in the Indication and Correction Report

    Test Document:

    Refer SAT Test Sheet

    SAT for Micro logic relay: Copy of the same test sheets will be used for other Breaker Micro logic relay

    E. Ammeters/voltmeter calibration:

    Purpose:

    This test verifies the Meters operation and rating are following the name plate as per the approved schematic.

    In brief, the test verifies the Meter error and operation of the particular meter.

    Procedure:

    1. Record the name and reference number of the panel to be tested in the test sheet

    i. Secondary injection test: The calibrated instrument used to inject from 0-1A of current in Meters

    secondary terminal, Based on the secondary value the meter will display primary values ,the displayed

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 9 of 10

    Rev 0

    Date 13-02-11

    primary value are noted and error are calculated manually using the below mention formula.

    Error = (Actual value - observed value)/ Actual value

    2. Record if any comments in the Indication and Correction Report

    Test Document:

    Refer SAT Test Sheet

    SAT for Ammeter/voltmeter: Copy of the same test sheets will be used for other Meters.

    F. Auxiliary relay test:

    i. Trip circuit supervision relay-XR350

    Purpose:

    This test verifies the functionality and properties of Trip Circuit Supervision Relay under test

    Procedure:

    1. Select a Trip Circuit Supervision Relay from any one of the incomers

    2. Record the Panel Reference in the test sheet

    3. Perform the following routine tests which is applicable for this relay

    Name Plate Rating Details

    General Inspection

    Resistance Check

    Secondary Injection Test

    Measurement of trip Circuit Current

    Relay Operation Check

    4. Record if any comments in the Indication and Correction Report attached.

    Test Document:

    Refer SAT Test Sheet

    SAT for XR-350 relay: Copy of the same test sheets will be used for other XR-350.

    G. Busbar contact test:

    Purpose:

    This test verifies the contact resistance of LVAC switchboard Busbar under test

    Procedure:

    1. Record the panel Reference in the test sheet

    Contact resistance test: Test follows the standards IEC 62271-200,the calibrated testing instrument was used

    to inject recommended current in LVAC Busbar of each verticals, Based on the voltage drop of one end to other

    end of busbar the resistance was calculated by the instrument automatically. Ensure the value is following the

    FAT value

    The resistance is calculated R Contact = Applied-mV / I test

  • LARSEN & TOUBRO LIMITED- ECCD

    ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICE AREA

    PHASE I & II AND WEST END EXTENSION, RAS LAFFAN

    Doc No:

    2908-BG35-4033

    Contract No:

    GC 081117B0

    Page 10 of 10

    Rev 0

    Date 13-02-11

    2. Record if any comments in the Indication and Correction Report attached.

    Test Document:

    Refer SAT Test Sheet

    SAT for Busbar contact resistance

    H. High voltage test:

    Purpose:

    This test verifies the Insulation level of LVAC switchboard Busbar under test

    Procedure:

    1. Record the panel Reference in the test sheet

    High voltage test: The calibrated testing instrument was used to apply recommended2000v AC (80% of FAT

    test voltage) in LVAC Busbar for each phase separately as per the format.Based on the leakage current

    measurement of busbar the Insulation level was ensured. Ensure the value is following the FAT value

    2. Record if any comments in the Indication and Correction Report attached.

    Test Document:

    Refer SAT Test Sheet

    SAT for LVAC High voltage test

    9. Test Reports

    All Site Test Report Formats is attached for the Individual tests.

  • ATTACHED TEST FORMATS

    1. SAT FOR LVAC CT TEST

    a) INCOMER CT TEST

    b) OUTGOING CT TEST

    2. SAT FOR LVAC VT TEST

    3. SAT FOR LVAC MCCB TEST

    4. SAT FOR LVAC BREAKER WITH MICROLOGIC RELAY TEST

    5. SAT FOR LVAC AMMETER CALIBRATION

    6. SAT FOR LVAC VOLTMETER CALIBRATION

    7. SAT FOR LVAC TRIP CKT SUPR-RELAY TEST

    8. SAT FOR LVAC BUSBAR RESISTANCE TEST

    9. SAT FOR LVAC HIGH VOLTAGE TEST

  • 1. SAT FOR LVAC CT TEST

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 1 of 2

    1.1 METERING CT: INCOMER-01 & 02

    Make : SACI

    Sl. No : R- Y- B-

    1.2. Name Plate Details

    CT

    Desgn. Core No. Class Ratio Rct KVP Burden Purpose

    CT1 1 1 1200/1 - - 10VA KW-Metering

    CT2 1 1 1200/1 - - 10VA KW-Metering

    CT3 1 1 1200/1 - - 10VA KW-Metering

    1.3. Insulation Resistance Measurement:

    R-PHASE Y-PHASE B-PHASE

    PRI TO EARTH

    PRI TO SEC

    SEC TO EARTH

    Note: Primary Earth done with 1KV and rest with 500 V Megger for 1 Min

    1.4. Polarity Test

    CT

    Designation CORE NO TERMINAL R-PH Y-PH B-PH

    CT1-3 1 S1-S2

    1.5. CT Winding Resistance

    CT Desgn. CORE NO TERMINAL

    MEASURED RESISTANCE (IN m )

    R-PH Y-PH B-PH

    CT1-3 1 S1-S2

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 2 of 2

    1.6. Knee Point Voltage measurement:

    CT Desgn. CORE NO TERMINAL

    R PHASE Y PHASE B PHASE

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    CT1-3 CORE1 S1-S2

    1.7. Ratio Test

    CT

    Designation Core

    Terminal

    Injected Primary

    Current (Amps)

    Expected

    Sec.Current

    (Amps)

    Measured

    Sec.Current

    (Amps)

    % Error

    CT1 R-Phase S1-S2 600 0.500

    CT2 Y-Phase S1-S2 600 0.500

    CT3 B-Phase S1-S2 600 0.500

    1.8. Check List for Print out

    1. CT ratio and polarity test ( for all cores and taps) : 2. Knee point test ( for all cores and taps) : 3. Winding resistance test (for all core & taps) :

    1.9. General Checks

    1. Shorting of all unused cores : 2. Check for tightness of all CT terminals :

    1.10 REMARK:

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 1 of 2

    1. OUTGOING FEEDER CTS: Q2, Q5, Q23 & Q28

    Make : SACI

    Sl. No : R- Y- B-

    2. Name Plate Details

    CT

    Desgn. Core No. Class Ratio Rct KVP Burden Purpose

    CT1 1 1 250/1A - - 5VA Metering

    CT2 1 1 250/1A - - 5VA Metering

    CT3 1 1 250/1A - - 5VA Metering

    3. Insulation Resistance Measurement:

    Ref R-PHASE Y-PHASE B-PHASE

    PRI TO EARTH

    PRI TO SEC

    SEC TO EARTH

    Note: Primary Earth done with 1KV and rest with 500 V Megger for 1 Min

    4. Polarity Test:

    CT

    Designation CORE NO TERMINAL R-PH Y-PH B-PH

    CT1-3 1 S1-S2

    5. CT Winding Resistance

    CT Desgn. CORE NO TERMINAL MEASURED RESISTANCE (IN m )

    R-PH Y-PH B-PH

    CT1-3 1 S1-S2

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 2 of 2

    6. Knee Point Voltage measurement

    CT Desgn. CORE NO TERMINAL

    R PHASE Y PHASE B PHASE

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    CT1-3 CORE1 S1-S2

    7. Ratio Test

    CT

    Designation PHASE

    Terminal

    Injected Primary

    Current (Amps)

    Expected

    Sec.Current

    (Amps)

    Measured

    Sec.Current

    (Amps)

    % Error

    CT1 R-Phase S1-S2 125 0.5

    CT2 Y-Phase S1-S2 125 0.5

    CT3 B-Phase S1-S2 125 0.5

    8. Check List for Print out

    1. CT ratio and polarity test ( for all cores and taps) : 2. Knee point test ( for all cores and taps) : 3. Winding resistance test (for all core & taps) :

    9. General Checks

    1. Shorting of all unused cores : 2. Check for tightness of all CT terminals : 3. Neutral Earthing / Single point Earthing :

    10. Remarks

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 1 of 2

    1. OUTGOING FEEDER CTS: Q3, Q6, Q9 & Q20

    Make : SACI

    Sl. No : R- Y- B-

    2. Name Plate Details

    CT

    Desgn. Core No. Class Ratio Rct KVP Burden Purpose

    CT1 1 1 200/1A - - 5VA Metering

    CT2 1 1 200/1A - - 5VA Metering

    CT3 1 1 200/1A - - 5VA Metering

    3. Insulation Resistance Measurement:

    Ref R-PHASE Y-PHASE B-PHASE

    PRI TO EARTH

    PRI TO SEC

    SEC TO EARTH

    Note: Primary Earth done with 1KV and rest with 500 V Megger for 1 Min

    4. Polarity Test:

    CT

    Designation CORE NO TERMINAL R-PH Y-PH B-PH

    CT1-3 1 S1-S2

    5. CT Winding Resistance

    CT Desgn. CORE NO TERMINAL MEASURED RESISTANCE (IN m )

    R-PH Y-PH B-PH

    CT1-3 1 S1-S2

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

    LARSEN & TOUBRO QATAR PETROLEUM

    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 2 of 2

    6. Knee Point Voltage measurement

    CT Desgn. CORE NO TERMINAL

    R PHASE Y PHASE B PHASE

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    CT1-3 CORE1 S1-S2

    7. Ratio Test

    CT

    Designation PHASE

    Terminal

    Injected Primary

    Current (Amps)

    Expected

    Sec.Current

    (Amps)

    Measured

    Sec.Current

    (Amps)

    % Error

    CT1 R-Phase S1-S2 100 0.5

    CT2 Y-Phase S1-S2 100 0.5

    CT3 B-Phase S1-S2 100 0.5

    8. Check List for Print out

    1. CT ratio and polarity test ( for all cores and taps) : 2. Knee point test ( for all cores and taps) : 3. Winding resistance test (for all core & taps) :

    9. General Checks

    1. Shorting of all unused cores : 2. Check for tightness of all CT terminals : 3. Neutral Earthing / Single point Earthing :

    10. Remarks

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

    SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION

    OF RAS LAFFAN CITY GC081117B0

    SITE ACCEPTANCE TEST FOR CURRENT TRANSFORMER

    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment CURRENT TRANSFORMER

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    Signature Signature

    Name Name

    Date Date

    Doc. No. Page 1 of 2

    1. OUTGOING FEEDER CTS: Q1 & Q19

    Make : SACI

    Sl. No : R- Y- B-

    2. Name Plate Details

    CT

    Desgn. Core No. Class Ratio Rct KVP Burden Purpose

    CT1 1 1 400/1A - - 5VA Metering

    CT2 1 1 400/1A - - 5VA Metering

    CT3 1 1 400/1A - - 5VA Metering

    3. Insulation Resistance Measurement:

    Ref R-PHASE Y-PHASE B-PHASE

    PRI TO EARTH

    PRI TO SEC

    SEC TO EARTH

    Note: Primary Earth done with 1KV and rest with 500 V Megger for 1 Min

    4. Polarity Test:

    CT

    Designation CORE NO TERMINAL R-PH Y-PH B-PH

    CT1-3 1 S1-S2

    5. CT Winding Resistance

    CT Desgn. CORE NO TERMINAL MEASURED RESISTANCE (IN m )

    R-PH Y-PH B-PH

    CT1-3 1 S1-S2

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    Site location 33/11KV SS-1 Drawing No 2908-2-54-0206

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    Signature Signature

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    Doc. No. Page 2 of 2

    6. Knee Point Voltage measurement

    CT Desgn. CORE NO TERMINAL

    R PHASE Y PHASE B PHASE

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    Vk (in

    Volts)

    Imag

    (in mA)

    CT1-3 CORE1 S1-S2

    7. Ratio Test

    CT

    Designation PHASE

    Terminal

    Injected Primary

    Current (Amps)

    Expected

    Sec.Current

    (Amps)

    Measured

    Sec.Current

    (Amps)

    % Error

    CT1 R-Phase S1-S2 200 0.5

    CT2 Y-Phase S1-S2 200 0.5

    CT3 B-Phase S1-S2 200 0.5

    8. Check List for Print out

    1. CT ratio and polarity test ( for all cores and taps) : 2. Knee point test ( for all cores and taps) : 3. Winding resistance test (for all core & taps) :

    9. General Checks

    1. Shorting of all unused cores : 2. Check for tightness of all CT terminals : 3. Neutral Earthing / Single point Earthing :

    10. Remarks

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • 2. SAT FOR LVAC VT TEST

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    SITE ACCEPTANCE TEST FOR VOLTAGE TRANSFORMER

    Site location 33/11 KV S/S-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment VOLTAGE TRANSFORMER

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    Signature Signature

    Name Name

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    Doc. No. Page 1 of 2

    For 1CPT1, 2CPT1, 3CPT1, 4CPT1

    1. Name Plate Details

    Make :

    Sl. No : R- Y- B-

    Ratio : 415V/3 / 110V/3

    Burden : 50VA

    Purpose : Protection/Metering

    2. Insulation Resistance Measurement:

    Minimum Value: 1M /KV Temperature : C

    Description Applied Voltage

    (VDC) R-PH(G) Y-PH(G) B-PH(G)

    Primary Earth 500 V

    Primary- Secondary 500 V

    Secondary -Earth 500 V

    3. Polarity Test :

    VT Designation CORE NO TERMINAL R-PH Y-PH B-PH

    XCPT1 CORE 1 1r - 1n

    4. VT Winding Resistance:

    Temperature: C

    VT Designation CORE NO TERMINAL

    MEASURED RESISTANCE ( IN OHMS)

    R-PH Y-PH B-PH

    At ambT At 75 C At ambT At 75 C At ambT At 75 C

    XCPT1 CORE 1 1r - 1n

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

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    SITE ACCEPTANCE TEST FOR VOLTAGE TRANSFORMER

    Site location 33/11 KV S/S-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment VOLTAGE TRANSFORMER

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    Signature Signature

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    Doc. No. Page 2 of 2

    5. Primary Injection Test / Ratio Test:

    VT

    Designation PHASE TERMINAL

    APPLIED PRIMARY

    VOLTS

    CALC

    SEC.VOLTS

    MEASURED

    SEC.VOLTS % ERROR

    XCPT1 R-PH 1r - 1n

    XCPT1 Y-PH

    XCPT1 B-PH

    6. Check List for Print out

    VT ratio and polarity test ( for all cores and taps) :

    VT secondary winding resistance ( for all cores and taps) :

    7. General Checks

    General visual inspection :

    Name plate details :

    HV Terminal Marking :

    LV Terminal Marking :

    Check for tightness of all VT terminals :

    8. General Checks

    :

    MCB rating :

    Equipment Grounding System :

    9. Remarks

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • 3. SAT FOR LVAC MCCB TEST

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    SITE ACCEPTANCE TEST FOR MCCB

    Site location 33/11KV S/S-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment MCCB

    LARSEN & TOUBRO QATAT PETROLEUM

    Signature Signature

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    Doc.No. Rev

    MOULDED CASE CB

    1. Name Plate Details:

    Make : MERLIN GERIN Feeder :

    Type : Frequency : 50 Hz

    Aux. Volts : Nominal Current :

    Range : Feeder Ratings :

    2. TRIP TEST

    LONG INVERSE OVER CURRENT:

    Phase Set

    (Is) Amp

    Operating time measured at 2Is (sec)

    R Phase

    Y-Phase

    B-Phase

    MCCB Found Healthy : YES / NO 3. REMARK :

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

  • 4. SAT FOR LVAC MICROLOGIC

    RELAY TEST

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    SITE ACCEPTANCE TEST FOR MOULDED CASE C.B

    Site location 33/11KV S/S-1 Drawing No 2908-2-54-0206

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    Signature Signature

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    Doc. No. Page 1 of 2

    MOULDED CASE WITH MICROLOGIC TEST FOR QM1, QM2 & QB

    1. NAME PLATE DETAILS:

    MAKE MERLIN GERLIN TYPE NW12H1

    FREQUENCY 50HZ NOMINAL CURRENT 1250 A

    AUX VOLTS 110 V DC SERIAL NO

    SETTINGS :

    SHORT CIRCUIT INSTANETANEOUS

    EARTH FAULT

    2. BREAKER TESTS

    2.1 SHORT CIRCUIT:

    PHASE SETTING OF CURRENT INJECTED CURRENT OPERATED TIME

    R - PH

    Y - PH

    B - PH

    2.2 INSTANETANEOUS

    PHASE SETTING OF CURRENT INJECTED CURRENT OPERATED TIME

    R - PH

    Y - PH

    B - PH

    2.3 EARTH FAULT

    PHASE SETTING OF CURRENT INJECTED CURRENT OPERATED TIME

    NEUTRAL

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    SITE ACCEPTANCE TEST FOR MOULDED CASE C.B

    Site location 33/11KV S/S-1 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment MCCB WITH MICROLOGIC

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    Doc. No. Page 2 of 2

    3. Tripping of CB By simulating of Relay Operation

    1. Relay found Healthy : Yes / No

    2. Ammeter and Selector switch Found Healthy : Yes / No

    3. Aux contacts : ok / with comments

    4. REMARK:

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

    3

    4

  • 5. SAT FOR LVAC AMMETER

    CALIBRATION

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    SITE ACCEPTANCE TEST FOR AMMETER CALIBRATION

    Site location 33/11KV S/S-01 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment AMMETER

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    Signature Signature

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    Doc.No. Rev

    AMMETER CALIBRATION

    1. Name Plate Details:

    Make : Feeder Ref :

    Type : Range :

    S.NO :

    2. MEASUREMENT TEST:

    Secondary Injected Current in

    Amps

    Expected Current in

    (A) Ammeter Reading in (A) % Error

    3. Ammeter Found Healthy: YES / NO

    Instruments Used:

    SL.NO DESCRIPTION MAKE EQUIPMENT

    SL.NO

    CALIBRATION

    ON DATE

    CALIBRATION

    DUE DATE

    1

    2

    3.

  • 6. SAT FOR LVAC VOLTMETER

    CALIBRATION

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    SITE ACCEPTANCE TEST FOR VOLTMETER CALIBRATION

    Site location 33/11KV S/S-01 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment VOLTMETER

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    Signature Signature

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    Doc.No. Rev

    VOLTMETER CALIBRATION

    1. Name Plate Details:

    Make : Feeder Ref :

    Type : Range :

    S.NO :

    2. MEASUREMENT TEST:

    Injected Voltage in Volts Expected Voltage in

    (kv) Voltmeter Reading in (kv) % Error

    3. Voltmeter Found Healthy: YES / NO

    Instruments Used:

    SL.NO Description MAKE EQUIPMENT

    SL.NO

    CALIBRATION

    ON DATE

    CALIBRATION

    DUE DATE

    1

    2

  • 7. SAT FOR TRIP CKT SUPR

    RELAY

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    SITE ACCEPTANCE TEST FOR TRIP CKT SUPRV RELAY

    Site location 33/11KV S/S-01 Drawing No 2908-BG35-4004

    Bay No LVAC Equipment XR-350

    LARSEN & TOUBRO QATAT PETROLEUM

    Signature Signature

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    Doc.No. Rev

    1. Name Plate Rating Details of the Equipment

    Relay Make REYROLLE

    Relay Model XR350

    MLFB Number 7PG1753-3CC10-4BE0

    Serial Number

    Rated Voltage 125 VDC

    Rated Frequency DC

    Contacts Details 2NO; 2NC

    2. General Inspection of Relay

    S.No Description Pass Fail

    1 Installation and Correct Wiring as per drawing

    2 Terminal Tightness

    3 Relay Earth Connected to Local Earth Bar

    3. Resistance Check

    Measure the resistance of each coil and its external resistor; record the values in the following table

    Element Coil Resistance External Resistance

    A

    B

    C

    4. Secondary Injection

    Inject the relay including the external resistor, and record the values of pick-up voltage and current in

    the following table.

    Element

    Pick-Up Volts

    Pick-Up Current

    A

    B

    C

  • CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR

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    SITE ACCEPTANCE TEST FOR TRIP CKT SUPRV RELAY

    Site location 33/11KV S/S-01 Drawing No 2908-BG35-4004

    Bay No LVAC Equipment XR-350

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    Signature Signature

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    Doc.No. Rev

    5. Referring to the circuit diagram, replace the trip link with an ammeter and, with the trip circuit

    operational, measure the trip circuit current with the breaker in the open and closed state.

    Breaker Open mA

    Breaker Closed mA

    6. With CB closed short in turn coil A and check for no trip

    7. Check for relay Operation by breaking the trip circuit continuity

    Instruments Used:

    Sl.no Description Make Equipment

    Sl.no

    Calibration

    On date

    Calibration

    Due date

    1

    2

  • 8. SAT FOR MAIN CIRCUIT

    RESISTANCE TEST

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    SITE ACCEPTANCE TEST FOR LVAC MAIN CIRCIUT RESISTANCE

    Site location 33/11KV S/S-01 Drawing No 2908-2-54-0206

    Bay No LVAC Equipment BUSBAR

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    Signature Signature

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    Doc. No. Page 1 of 1

    Make : BIN GHALIB

    Type : 3PH 4 BUS

    Serial No. :

    Rated current : 1600A

    Rated frequency : 50HZ

    Rated Voltage : 415V

    Short time rating : 50KA/SEC

    Control voltage : 110V DC

    Sl.No. Contact Resistance Between

    Cubicles

    R-phase in

    micro-ohms

    Y-phase in

    micro-ohms

    B-phase in

    micro-ohms

    NEUTRAL in

    micro-ohms

    1 COL:1- COL:02

    2 COL:1- COL:03

    3 COL:1- COL:04

    4 COL:1- COL:05

    5 COL:1- COL:06

    6 COL:1- COL:08

    7 COL:1- COL:09

    8 COL:1- COL:10

    9 COL:1- COL:11

    10 COL:1- COL:12

    11 COL:1- COL:13

    12 ---

    13 ---

    Bus bars Found Healthy : YES / NO

    REMARK:

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2

  • 9. SAT FOR BUSBAR HIGH

    VOLTAGE TEST

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    SITE ACCEPTANCE TEST FOR LVAC HV TEST

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    Bay No LVAC Equipment LVAC BUSBAR

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    Signature Signature

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    Doc.No. Rev

    HIGH VOLTAGE TEST FOR 415V LVAC BOARD

    Make : BIN GHALIB

    Type : 3PH 4 BUS

    Serial No. :

    Rated current : 1600A

    Rated frequency : 50HZ

    Rated Voltage : 415V

    Short time rating : 50KA/SEC

    1. INSULATION RESISTANCE TEST: (1KV FOR 1 MINUTE)

    MAIN CIRCUIT MEGGER VALUE BEFORE

    HV TEST

    MEGGER VALUE AFTER

    HV TEST

    R (Y+B+N+PE)

    Y (B+R+N+PE)

    B (N+R+Y+PE)

    N (PE+R+Y+B)

    2. HV VOLTAGE : 2000V AC FOR 60SEC

    REF Leakage Current in mA

    R (Y+B+N+PE)

    Y (B+R+N+PE)

    B (N+R+Y+PE)

    N (PE+R+Y+B)

    BUS BAR FOUND HEALTHY: OK / NOT

    3. REMARK:

    Sl.no Equipment / Instrument Make Equipment Sl No. Calibration Due

    1

    2