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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?
OCL,
Electrical Engineering 2132. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?
Electrical Engineering 2077What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?
Electrical Engineering 1935While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply
2 Electrical Engineering 8579What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?
Electrical Engineering 1960Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
Electrical Engineering 2139Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?
1 Electrical Engineering 4170As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?
2 Electrical Engineering 5058What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
6 Electrical Engineering 9755How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?
3 Electrical Engineering 7636Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV,20kV, 30kV?
Bhel,
2 Electrical Engineering 7577Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?
4 Electrical Engineering 10171
WHERE to use CVT & PT.
Answer
used for met &pro..it is nothing but acapacitor arrangement
due to this large level of voltage will be stored and due
to small stepdown transfomer inside it is reduced to as
plant req.Ex;400kv/1.732/1.1kv/1.732.
| Is This Answer Correct ? | 4 Yes | 6 No |
What is Ten Delta Test ?
Answer
transformers .this is very essential test it should be in
determined value max in nanofarad.whwn u conduct this one
to three times clean the bushing.this have many provision
when u using special kit.max GST-g mode is using by
applying 10Kv.
| Is This Answer Correct ? | 8 Yes | 7 No |
Question { 6617 }
CAN ANY ONE EXPLAIN THE KNEE VOLTAGE OF THE CT?
Answer
instant ur flux densityincreased by 50% at this point u
say athis as knee point voltage.after u incresing it will
not increase bec this is saturate,,,,,
jagan(Tamilnadu)
| Is This Answer Correct ? | 2 Yes | 0 No |
Question { Green Power, 9168 }
what is the ciruit diagram of transformer vector grup test?
Answer
Dyn11,Dd0etc...and then we arethe condition makers and
proove by measuring voltage of different series......
| Is This Answer Correct ? | 4 Yes | 0 No |
why normally Generator rating are between 11Kv to 22Kv?
Answer
| Is This Answer Correct ? | 2 Yes | 0 No |
