Lvac-sat Procedure for Equipment Test-ss1
December 13, 2016 | Author: Balamurugan Selvaraj | Category: N/A
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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
Rev. Date
Page 1 of 10
0 13-02-11
RASLAFFAN CITY 33/11KV SS1 SUBSTATION SAT FOR LVAC ELECTRICAL EQUIPMENT TEST
Title of Document
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 Electrical
Discipline Document No.
Rev. No.
0
Date
2908-BG35-4033
Prepared by
Reviewed by
Reviewed by
Approved by PM
Approved by Customer Rep.
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
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
Rev. Date
0 13-02-11
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
3. PURPOSE:
Contract No: GC 081117B0
Page 3 of 10
Rev Date
0 13-02-11
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 Date
0 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 it’s 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 CT’s 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 Date
0 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 Date
0 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 VT’s 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 Date
0 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 Date
0 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 Date
0 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 Date
0 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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
1.1 METERING CT: INCOMER-01 & 02 Make Sl. No
:
SACI
:
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
CT1-3
1
S1-S2
R-PH
Y-PH
B-PH
1.5. CT Winding Resistance MEASURED RESISTANCE (IN m Ω) CT Desgn.
CORE NO
TERMINAL R-PH
CT1-3
1
Y-PH
B-PH
S1-S2
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
1.6. Knee Point Voltage measurement:
CT Desgn.
CORE NO
TERMINAL
CT1-3
CORE1
S1-S2
R PHASE Vk (in Imag Volts) (in mA)
Y PHASE Vk (in Imag Volts) (in mA)
B PHASE Vk (in Imag Volts) (in mA)
1.7. Ratio Test CT Designation
Core
Terminal
Injected Primary Current (Amps)
Expected Sec.Current (Amps)
CT1
R-Phase
S1-S2
600
0.500
CT2
Y-Phase
S1-S2
600
0.500
CT3
B-Phase
S1-S2
600
0.500
Measured Sec.Current (Amps)
% Error
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
1. OUTGOING FEEDER CT’S: 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
CT1-3
1
S1-S2
R-PH
Y-PH
B-PH
5. CT Winding Resistance CT Desgn.
CORE NO
TERMINAL
CT1-3
1
S1-S2
MEASURED RESISTANCE (IN m Ω) R-PH Y-PH B-PH
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
6. Knee Point Voltage measurement
CT Desgn.
CORE NO
TERMINAL
CT1-3
CORE1
S1-S2
R PHASE Vk (in Imag Volts) (in mA)
Y PHASE Vk (in Imag Volts) (in mA)
B PHASE Vk (in Imag Volts) (in mA)
7. Ratio Test CT Designation
PHASE
Terminal
Injected Primary Current (Amps)
Expected Sec.Current (Amps)
CT1
R-Phase
S1-S2
125
0.5
CT2 CT3
Y-Phase B-Phase
S1-S2 S1-S2
125 125
0.5 0.5
Measured Sec.Current (Amps)
% Error
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
1. OUTGOING FEEDER CT’S: 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
CT1-3
1
S1-S2
R-PH
Y-PH
B-PH
5. CT Winding Resistance CT Desgn.
CORE NO
TERMINAL
CT1-3
1
S1-S2
MEASURED RESISTANCE (IN m Ω) R-PH Y-PH B-PH
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
6. Knee Point Voltage measurement
CT Desgn.
CORE NO
TERMINAL
CT1-3
CORE1
S1-S2
R PHASE Vk (in Imag Volts) (in mA)
Y PHASE Vk (in Imag Volts) (in mA)
B PHASE Vk (in Imag Volts) (in mA)
7. Ratio Test CT Designation
PHASE
Terminal
Injected Primary Current (Amps)
Expected Sec.Current (Amps)
CT1
R-Phase
S1-S2
100
0.5
CT2 CT3
Y-Phase B-Phase
S1-S2 S1-S2
100 100
0.5 0.5
Measured Sec.Current (Amps)
% Error
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
1. OUTGOING FEEDER CT’S: 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
CT1-3
1
S1-S2
R-PH
Y-PH
B-PH
5. CT Winding Resistance CT Desgn.
CORE NO
TERMINAL
CT1-3
1
S1-S2
MEASURED RESISTANCE (IN m Ω) R-PH Y-PH B-PH
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
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 33/11KV SS-1 Drawing No 2908-2-54-0206 LVAC Equipment CURRENT TRANSFORMER
Site location Bay No
6. Knee Point Voltage measurement
CT Desgn.
CORE NO
TERMINAL
CT1-3
CORE1
S1-S2
R PHASE Vk (in Imag Volts) (in mA)
Y PHASE Vk (in Imag Volts) (in mA)
B PHASE Vk (in Imag Volts) (in mA)
7. Ratio Test CT Designation
PHASE
Terminal
Injected Primary Current (Amps)
Expected Sec.Current (Amps)
CT1
R-Phase
S1-S2
200
0.5
CT2 CT3
Y-Phase B-Phase
S1-S2 S1-S2
200 200
0.5 0.5
Measured Sec.Current (Amps)
% Error
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
2. SAT FOR LVAC VT 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 VOLTAGE TRANSFORMER 33/11 KV S/S-1 Drawing No 2908-2-54-0206 LVAC Equipment VOLTAGE TRANSFORMER
Site location Bay No
For 1CPT1, 2CPT1, 3CPT1, 4CPT1 1. Name Plate Details :
Make
R-
Y-
Sl. No
:
Ratio
: 415V/√3 / 110V/√3
Burden
: 50VA
Purpose
: Protection/Metering
B-
2. Insulation Resistance Measurement: Minimum Value: 1M /KV
Temperature Applied Voltage (VDC) 500 V
Description Primary –Earth Primary- Secondary
500 V
Secondary -Earth
500 V
3. Polarity Test
R-PH(GΩ)
:
Y-PH(GΩ)
C B-PH(GΩ)
:
VT Designation
CORE NO
TERMINAL
XCPT1
CORE 1
1r - 1n
R-PH
Y-PH
B-PH
4. VT Winding Resistance: Temperature:
VT Designation
CORE NO
TERMINAL
XCPT1
CORE 1
1r - 1n
C
MEASURED RESISTANCE ( IN OHMS) R-PH Y-PH B-PH At ambT At ambT At ambT At 75 C At 75 C At 75 C
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION OF RAS LAFFAN CITY – GC081117B0
Site location Bay No
SITE ACCEPTANCE TEST FOR VOLTAGE TRANSFORMER 33/11 KV S/S-1 Drawing No 2908-2-54-0206 LVAC Equipment VOLTAGE TRANSFORMER
5. Primary Injection Test / Ratio Test: VT Designation
PHASE
TERMINAL
XCPT1 XCPT1 XCPT1
R-PH Y-PH B-PH
1r - 1n
APPLIED PRIMARY VOLTS
CALC SEC.VOLTS
MEASURED SEC.VOLTS
% ERROR
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
3. SAT FOR LVAC MCCB 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 location Bay No
SITE ACCEPTANCE TEST FOR MCCB Drawing No 2908-2-54-0206 Equipment MCCB
33/11KV S/S-1 LVAC
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: Operating time measured at 2Is (sec)
Set (Is) Amp
Phase
R –Phase Y-Phase B-Phase
MCCB Found Healthy 3. REMARK
Sl.no
:
YES / NO :
Equipment / Instrument
Make
Equipment Sl No.
1 2
LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
Calibration Due
4. SAT FOR LVAC MICROLOGIC RELAY 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 location Bay No
33/11KV S/S-1 LVAC
SITE ACCEPTANCE TEST FOR MOULDED CASE C.B Drawing No 2908-2-54-0206 Equipment MCCB WITH MICROLOGIC
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
SETTING OF CURRENT
INJECTED CURRENT
OPERATED TIME
SETTING OF CURRENT
INJECTED CURRENT
OPERATED TIME
R - PH Y - PH B - PH 2.2 INSTANETANEOUS PHASE R - PH Y - PH B - PH 2.3 EARTH FAULT PHASE NEUTRAL
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 1 of 2
CONTRACT: EPIC FOR ELECTRICAL AND TELECOM UTILITIES FOR SUPPORT SERVICES AREA PHASE I & II AND WEST END EXTENSION OF RAS LAFFAN CITY – GC081117B0
Site location Bay No
33/11KV S/S-1 LVAC
SITE ACCEPTANCE TEST FOR MOULDED CASE C.B Drawing No 2908-2-54-0206 Equipment MCCB WITH MICROLOGIC
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.
1 2 3 4
LARSEN & TOUBRO
QATAR PETROLEUM
Signature
Signature
Name Date Doc. No.
Name Date Page 2 of 2
Calibration Due
5. SAT FOR LVAC AMMETER CALIBRATION
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 AMMETER CALIBRATION 33/11KV S/S-01 Drawing No 2908-2-54-0206 LVAC Equipment AMMETER
Site location Bay No
AMMETER CALIBRATION 1.
Name Plate Details:
Make
:
Feeder Ref
:
Type
:
Range
:
S.NO
:
2. MEASUREMENT TEST :
Secondary Injected Current in Amps
3. Ammeter Found Healthy:
Expected Current in (A)
Ammeter Reading in (A)
% Error
YES / NO
Instruments Used: SL.NO
DESCRIPTION
MAKE
EQUIPMENT
CALIBRATION
CALIBRATION
SL.NO
ON DATE
DUE DATE
1 2 3.
LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
6. SAT FOR LVAC VOLTMETER CALIBRATION
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 VOLTMETER CALIBRATION 33/11KV S/S-01 Drawing No 2908-2-54-0206 LVAC Equipment VOLTMETER
Site location Bay No
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
LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
7. SAT FOR TRIP CKT SUPR RELAY
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 TRIP CKT SUPRV RELAY 33/11KV S/S-01 Drawing No 2908-BG35-4004 LVAC Equipment XR-350
Site location Bay No
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
1
Installation and Correct Wiring as per drawing
2
Terminal Tightness
3
Relay Earth Connected to Local Earth Bar
Pass
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 LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
Fail
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 TRIP CKT SUPRV RELAY 33/11KV S/S-01 Drawing No 2908-BG35-4004 LVAC Equipment XR-350
Site location Bay No
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
Calibration
Calibration
Sl.no
On date
Due date
1 2
LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
8. SAT FOR MAIN CIRCUIT RESISTANCE 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 location Bay No
SITE ACCEPTANCE TEST FOR LVAC MAIN CIRCIUT RESISTANCE 33/11KV S/S-01 Drawing No 2908-2-54-0206 LVAC Equipment BUSBAR
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
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 :
R-phase in micro-ohms
Y-phase in micro-ohms
B-phase in micro-ohms
NEUTRAL in micro-ohms
YES / NO
REMARK: Sl.no
Equipment / Instrument
Make
Equipment Sl No.
Calibration Due
1 2 LARSEN & TOUBRO LTD
QATAR PETROLEUM
Signature
Signature
Name
Name
Date Doc. No.
Date Page 1 of 1
9. SAT FOR BUSBAR HIGH VOLTAGE 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 LVAC HV TEST 33/11KV S/S-01 Drawing No 2908-2-54-0206 LVAC Equipment LVAC BUSBAR
Site location Bay No
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)
MEGGER VALUE BEFORE HV TEST
MAIN CIRCUIT
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.
1 2
LARSEN & TOUBRO
QATAT PETROLEUM
Signature
Signature
Name
Name
Date
Date
Doc.No.
Rev
Calibration Due
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