how to test the ht machines?

0 Answers   ONGC,

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

0 Answers   MPSEB,

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what are the protection components on HT Side and LT side?

2 Answers  

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I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

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why use -48 volt DC power in telecom?

3 Answers  

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is dc shunt moter oprate on ac? if no why? if yes how?

8 Answers   IOCL, JJJ, Power Grid,

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What are gain margin and phase margin?

0 Answers  

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installation of subsatation of33kv

0 Answers  

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what is the use of CurrentTransformer in AVR ?

2 Answers  

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Is it necessary to install Lighting Arrester on both side side (i.e HT and LT) of Transformer in a transmission substation? if yes Why on both side?

1 Answers  

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What is the difference between alternator and generator?

0 Answers   IOCL,

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