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Difference between Short circuit and overload

Short Circuit A short circuit occurs when two or more current-carrying conductors of different phases or different voltage levels or different terminal (in DC circuits) come in contact with each…

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Power Factor – Definition, Importance, Calculation and Correction techniques

In an AC power system, the power factor is a very important parameter that defines how efficiently electrical power is being utilized by the load. It is a rational number…

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What is ammeter selector switch?

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Ammeter selector switch is basically a normal three position switch. In large Electrical distribution panels, an ammeter is used to monitor the current through each line. (more…)

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Why the power system is divided into several protections zones?

Why the power system is divided into several protections zones?

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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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How do Fuel Cells Work?

Fuel Cell Fuel cells cleanly and efficiently convert chemical energy from hydrogen-rich fuels into electrical power and usable high-quality heat in an electrochemical process that is virtually absent of pollutants.…

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