Answer Posted / latika

1] O/C Relay both Alarm + Trip
2] E/F Relay both Alarm + Trip
3] Differential Relay both Alarm + Trip
4] Bucholz Relay both Alarm + Trip
5] WTI cum Protection both Alarm + Trip
6] OTI cum Protection both Alarm + Trip
7] Oil Level Indicator with Alarm

why core is useful for a transformer ?and also in its operation ?

2041

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How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

2162

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HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

1974

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how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

1659

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2003

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What is instrumental error?

1146

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why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

1829

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Why the standard of ambient teperature mentioned as 40 degree celcius in machines.

1891

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what are the different methods for the starting of a synchronous motor.

1084

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Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

2148

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

1660

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we have 15 ampere variyac but we want 30 ampere variyac what we do

1869

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

2066

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how is the incoming cable size calculated for a given current rating of a panel??

1871

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I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1763

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