Answer / vlrbalsm

Based on the secy ct and standard cable ratings can be selected

how can we say that stator magnetic field rotates with synchronous speed?can we derive?

0 Answers  

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what is the difference between a hooter and a mcp

2 Answers  

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what is the advantage of NiCd battery over Lead acid battery?

2 Answers   BARC,

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

0 Answers  

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megger how much voltage will produce ?

4 Answers  

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Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 Answers  

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Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

0 Answers  

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11/.433KV, 100KVA TRANSFORMER is supplied with .433KV AT ITS PRIMARY. HOW MUCH KVA IT CAN SUPPLY

7 Answers   ABB,

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What is the latest generation of circuit breakers called?

3 Answers   Epitome, Focus Energy, Jakson, KDC, L&T,

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Why HRG and LRG used beside transformer, what is the purpose

3 Answers  

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in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

0 Answers  

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What is the difference between the transmission line and distribution line?

0 Answers  

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