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Transformer Failure

  • Failure Report
  • Site Testing Report
  • Overall Observation
Sr.# Parameters To Be Checked Observation Remark
1 HT Bushing Condition
2 LT Bushing Condition
3 LT Stud Condition
4 Oil Leakage Noticed (If any)
5 Oil Level Status
6 Size Of Fuses Provided
H.V. Side (amps) L.V. Side (amps)
7 Whether Lightening Arrestors Is Provided?
H.V. Side
L.V. Side
8 Condition Of Ligtening Arrestors At The Time Of Failure
9 No. Of Earth Pits Provided For The Trasformer
10 Size Of Earth Wire Used
11 Total Connected Cosumers
1Ph 3Ph HT
12 Installation Date
13 Wheather The Equipment Was Partially Damaged Previously, If So Nature Of Failure
14 Apparent Causes Of Present Failure
15 Was There Any Climate Condition i.e Any Thunder Storm Activity, In the Vicinity Of Transformer?
Date
16 Has The Transformer Failed Within The Gurantee Period?
Date
17 Whether Experienced Any Fault Simultaneously With Failure Of T/F Either On HT/LT Side, If Yes Please State The Exact Details
18 Last Date Of Transformer Oil Top Up
19 Last Maintenance Date
20 Past History Of Failure
1. Secondary Voltage

2. Secondary Current
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