what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?

5 Answers   BARC,

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in ct secondary one terminal is connected to earth why?

1 Answers  

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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Where is the best place to mount  distribution panel in a house.

0 Answers   Wantro Technical Services,

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Why should we use the igniter in the sodium vapour lamp.

7 Answers   ABB, Delphi, Mudhra, NTPC, PICT,

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what is the meaning of TRF

1 Answers   Khidmah,

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I have a 25kVA three phase transformer on our property. Will this transformer be large enough to run a large home with swimming pool, spa, 2 off full size reverse cycle air conditioners to service a 100 square house (10,000 square feet or 930 square metres)and the general power consumption of this house without upgrading to a 63kVA transformer.

1 Answers  

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

0 Answers   Visa,

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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what is Real power and Reactive power ? what is difference between them ?

5 Answers  

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What is I/P converter?

1 Answers   RRDonnelley,

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What is the difference between KW & KVA ?

9 Answers  

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