Answer Posted / rajeshsan

The circuit breaker is selected based on following factors.

1. Voltage level
2. Fault current.
3. Type of Breaker.
4. Operating Time.
5. Number of operations.

1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

2173

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1930

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What is effect of over voltage and under voltage on ACB

2030

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What is stepper motor. What is its uses?

1334

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What the main causes of transient interruptions on Over-Head Distribution Lines?

2196

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What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1888

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

2053

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Could you measure voltage in series?

1331

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Can u tell me design of switch yard

2227

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how to calculate kvar in Akiva

1975

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

2273

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What is the transfer function?

1146

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

2007

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Brief me about maintenance planning & sheduling of machine tool.

2184

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what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

3324

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