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178 - Vajhm23

The document summarizes the results of a test of a tie feeder relay protecting a section of a 110-125V DC power system. The test found the Alstom VAJHM23 relay healthy, with correct operation of indications, contacts, and reset knobs, and pickup voltage of 38.9V with a high restraint dropoff voltage.

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Subramaniam NP
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156 views1 page

178 - Vajhm23

The document summarizes the results of a test of a tie feeder relay protecting a section of a 110-125V DC power system. The test found the Alstom VAJHM23 relay healthy, with correct operation of indications, contacts, and reset knobs, and pickup voltage of 38.9V with a high restraint dropoff voltage.

Uploaded by

Subramaniam NP
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOC, PDF, TXT or read online on Scribd
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1.

Location : MRS#2/22 KV SWBD

Equipment Name : Tie feeder to MRS – 3 PNL No: 16 / P. No: 09

2. Equipment Details:

Make Alstom
Type VAJHM23
Sl.No. 93124532007
Volts 110 – 125 V DC
3. Pickup and Dropoff Voltage Test:

Reference Pickup Voltage(V) Dropoff Voltage(V)


9,10 38.9 HR

4. Functional Checks: (Whether Operational Checks OK/Not Ok/ Not Applicable)

1 Correct Operation of Appropriate Indication/Flag OK


2 Correct Operation of output Contacts OK
3 Correct Operation of Reset Knobs. OK

5. Comments : Nil.

6. Remarks : Relay Found Healthy.

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