ABB HT FAT Proceedure

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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FACTORY ACCEPTANCE TEST TESTING PROCEDURE FOR 22 KV HT SWITCHGEAR

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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AGENDA Project Name

: Amara Hotel Upgrading Project

Project No.

: SG-46011513

Customer

: Kurihara Kogyo Co. Ltd

FAT Date

: 28 Mar 2012 (14:00 hrs)

Location of FAT

: ABB Pte Ltd No.2 Ayer Rajah Crescent Singapore 139935

Tentative Testing Schedule 14:00AM – 16:00PM : Testing of IC, and Bus Section Feeders 16:00PM – 16:30PM : Testing on Transformer Feeder 16:30PM _ 17:00PM : Summary of tests carried out and signing off of all test reports

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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FAT Procedure - Table of Contents Visual Inspection…………………………………………………………………………...4 Function Test ………………………………………………………………………….…...4 Primary Injection Test on CT’s Ratio & Polarity .................................................................5 Secondary Injection Test.......................................................................................................8 Secondary Injection for Pilot Wire Relay Operation Check.................................................9

Figures Figure 1: Circuit Diagram for CT Ratio & Polarity Check ..................................................6 Figure 2: Circuit Diagram for CT Ratio & Polarity Check ................................................. 6 Figure 3: Circuit Diagram for CT Ratio & Polarity Check ..................................................7 Figure 4: Circuit Diagram for CT Ratio & Polarity Check ..................................................7 Figure 5: Circuit Diagram for Relay Test ............................................................................8 Figure 6: Circuit Diagram for Solkor Relay Test ……........................................................9

Test Form & customer signed-off Form Form1: Visual Inspection Test …………………………………………………………...10 Form 2: Electrical / Mechanical Function Test …………………………………………..11 Form 3: Primary Injection Test on CT (PI) / Voltmeter Ratio Test ………………………13 Form 4: Overcurrent & Earth Fault Relay Operation Test (SI)…………………………..15 Form 5: Pilot Wire Protection Operation Test …………………………………………...16 Form 6: Attendance List………………... ……………………………………………….17 Form 7: Customer comment & signed off ……………………………………………….18 3 of 19

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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Visual inspection 

Panel Arrangement



Built In Equipment



Check Finishing Paint Work



Rating and Equipment Identification Labels



Check Mimic Diagram

Function Test 

OC/EF & Pilot Wire Protection Trip



T/F Alarm/trip



Electrical/Mechanical Interlock



CB on/off



Disconnector/Earthing switch on/off operation

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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Primary Injection Test on CT’s Ratio & Polarity 1.

Ensure that the switchgear has been de-energized.

2.

Note down the particulars of the switchgear and CT’s.

3.

Do not remove any wires, use the provided test plugs if applicable or use clamp meters.

4.

Measure the CT’s secondary phases and spill current using a clamp meter.

5.

Select all meters to ampere range.

6.

Inject a current of 10 to 20A onto the brown and black phases. Check the spill current, it should be as low as milli-ampere. If the spill current is high, check for CT’s terminal tightness or any mistake on the wiring.

7.

Reduce to zero and off the supply, change the spill current meter (A4) to milliampere range.

8.

Inject a current of 50% and 100% of the CT primary current on brown (L1) and black (L2) phases. Record the reading.

9.

Reduce to zero and off the supply.

10. Repeat item 6 to 8 for black (L2) and grey (L3) phases. 11. Repeat item 6 to 8 for brown (L1) and grey (L3) phases. 12. Select all meters to ampere range. 13. Inject a current of 10 to 20A onto black phases (L2) to earth. Check the spill current (A4). It should be the same current as the phase current (A2). 14. Inject a current of 50% and 100% of the CT primary current on black (L2) phase to earth. Record the reading.

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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Secondary Injection Test 1.

Ensure that the switchgear is de-energized.

2.

Note down the relay particulars on test form.

3.

Check or record the setting of the relay.

4.

Increase the current gradually until the relay pick up. Record the reading.

5.

Set a current of two times of the plug setting and off the injection set.

6.

Press the start button of the injection set and record the tripping time as shown on the test equipment.

7.

Repeat item 5 to 6 for three and five times of the plug setting.

8.

Repeat item 5 to 7 for black (L2) and grey (L3) element.

9.

Repeat item 4 to 7 for earth element.

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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Secondary Injection for Pilot Wire Relay Operation Check 1.

Ensure that the switchgear is de-energized and PTW is issued.

2.

Remove the relay from the casing and check the relay connection. It is either Solkor R or Solkor Rf mode. Typically it is used at Solkor R mode. Change the connection accordingly to your application.

3.

Connect the circuit on Brown (L1) and neutral phase as shown on the diagram.

4.

Increase the current gradually until relay pick up. Record reading A1, A2, A3 and A4 on the test form

5.

Increase the current furthermore until the dummy relay pick up.

6.

Record reading A1 on the test form.

7.

Repeat step 3 to 5 for Black-E, grey-E, Brown-Black, Black-Grey and Grey-brown.

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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FAT Test Form 1. VISUAL INSPECTION TickBox / Remark 

Panel Arrangement



Built In Equipment



Check Finishing Paint Work



Rating and Equipment Identification Labels



Check Mimic Diagram (if any)

Tested By (Name & Signature)

:

__________________________________________

Witnessed By (Name & Signature)

:

__________________________________________

Date :

:

_________________________________________

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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2. ELECTRICAL / MECHANICAL FUNCTION TEST TickBox / Remark 

Local CB Close Operation



Local CB Open Operation



Remote CB Close Operation



Remote CB Open Operation



Local / Remote CB “OFF” Indication



Local / Remote CB “ON” Indication

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Disconnector switch Close Operation (GIS)

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Disconnector switch Open Operation (GIS)



Earthing switch Close Operation, if any



Earthing switch Open Operation, if any

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Electrical Interlock Operation

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Mechanical interlock

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Earthing switch mechanism

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Circuit Breaker mechanism



3-way switch mechanism (GIS) 11 of 19

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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OCEF Trip



REF Trip, if any



PW Trip, if any



T/F Temperature Trip/Alarm, if any



T/F Pressure Trip/Alarm, if any



T/F Low Oil Trip/Alarm, if any



T/F Winding Temp Trip/Alarm, if any



T/F Door Open Trip/Alarm, if any



Intertrip receive, if any



Intertrip send, if any

Tested By (Name & Signature)

:

__________________________________________

Witnessed By (Name & Signature)

:

__________________________________________

Date :

:

_________________________________________

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FACTORY ACCEPTANCE TEST (HT SWITCHGEAR) AMARA HOTEL UPGRADING Project Date: 28 Mar 2012

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3. PRIMARY INJECTION TEST ON CT/VOLTMETER RATIO TEST CT Data CT Ratio:__________

CT Class: _____________

VA / Vkp:__________________

CT Serial No L1: ___________________

L2: _______________

L3 : _______________

Panel No. ___________

Primary Connectio n

Primary Injectio n Current (A)

CT Ratio

L1

L2

2.5

2.5

Spill Current (