IT IS SAID THAT THE OLTC OPERATION SHOULD NOT BE PERFORMED WHEN THE TRANSFORMER IS GENERATION TRANSFOREMR/STEP UP MODE. WHY IS IT SO?

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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what is phantom load, Give any example

2 Answers  

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why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

7 Answers   ABB, ONGC,

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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Why Two Transformers aside shoud be supperated by concreted wall?

5 Answers  

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generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

1 Answers   ETA, RRR, TCS,

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what is relay multiplier

1 Answers   Atomic Energy Commission, Bhel, Wipro,

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Explain the advantages of the wheatstone bridge method of measuring resistance?

7 Answers  

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How can i check a relay good or not?

2 Answers  

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i heard that power factor(PF) is the main concern for industries, if they are maintaining PF around 0.6 they will be fined for that. now the question is, how can they improve the PF ranging between 0.9 to 0.95 which is safe for them i,e escaping from the fine?

5 Answers  

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how to calculate the bus bar current rating

2 Answers  

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sir i have applied for isro-09. still i did not got the HALL TICKET.

2 Answers  

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