how to select rating of HT Panel

0 Answers  

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what is NGR in generator?

4 Answers  

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Which power will flow first if we switch on a motor Active or Reactive? How?

3 Answers  

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why transfromer rating gives in MVA Or KVA? Why not in MW or KW?

6 Answers   GIL, Siemens,

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What is the difference between Isolator annd Circuit Breaker.

21 Answers   ABB, Lanco, NTPC, Power Grid, RInfra,

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my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

2 Answers  

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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What is the selection & Designing procedure for DG/Transformer

4 Answers   Crompton Greaves, Sterling, TATA,

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How to set a Zone 1 distance relay for distribution feeder?

0 Answers   Schweitzer Engineering,

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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