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Which is the most efficient electrical machine?

The most efficient electrical machine is the transformer. Transformers have efficiency above 95%. The autotransformer has an efficiency of close to 98%. The maximum efficiency is achieved under the fully…

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How rating of a circuit breaker for a system is determined?

How rating of a circuit breaker for a system is determined?   The rating of a circuit breaker for a system is determined based on the balanced three phase fault…

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Which is the most common fault occuring in the power system?

 
The most common fault occurring in the power system is  a Single line to ground fault. Almost 70 per cent of faults occurring is Single line to ground faults.

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What are the different faults occurring in the overhead transmission lines?

What are the different faults occurring in the overhead transmission lines?

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1.       Single line to ground fault.

2.       Line to line fault.

3.       Double line to ground fault.

4.       Line to line to line fault (Three phases are short-circuited)

5.       Three line to ground fault. (more…)

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On which part of the power system, the occurrence of failure / abnormal condition is more?

On which part of the power system the occurrence of failure / abnormal condition is more? The probability of occurrence of failure / abnormal condition is more in the on…

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Comparision of conventional energy resources

Conventional energy is obtained from the conventional energy resources such as coal, diesel, gas and nucleus. These are non-renewable resources and may exhaust in few decades if consumed at the current…

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