what is the main difference b/w contactor and relay

2 Answers   Pace Pharmaceuticals,

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capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

5 Answers   Bhel, OPS,

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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why CRGO material used in transformer?

2 Answers   Honda, Yazaki,

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Why we use duplex coil and hook switch in telephone system?

0 Answers  

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

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how we can know which is Lv side and HV side of transformer by just seeing it?

7 Answers  

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There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

0 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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What must the distance between two MV cables be when they are laid on tray?

0 Answers  

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what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

0 Answers   Power Grid,

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What is the difference between 11kv/110v & 33kv/110v ? If both 11 & 33KV give 110v then what is the diiference ?

1 Answers  

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