What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?

0 Answers   Power Plant,

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1 Amp = kva ? 1 Amp =KW ?

3 Answers   Marriott,

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can a rotating machine give the DC output without commutator? if yes, how? if no, why?

6 Answers   BARC,

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Why Neutral Earthing pits and body earthing is interconnected

3 Answers   Taj Group,

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what is the pressure of vacuum circuit breaker

2 Answers  

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if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

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i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

0 Answers  

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How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

0 Answers   TATA,

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circuit breaker is ...............connected with circuit

2 Answers   Rancho,

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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why indicated sypply only by 440V in 3-phase system.

2 Answers  

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selection of conductor in different voltage?

1 Answers   TATA,

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