where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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difference bteween neutral grounding resistor and neutral grounding transformer??

1 Answers  

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Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

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What happens if we connect a single phase energy meter in reverse polarity.

0 Answers  

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How to select Main CB Rating for 187 KW Load?

6 Answers  

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what is the reactive power what is the use of it in system

0 Answers   L&T,

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What is annunciator ?

1 Answers  

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what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

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What is the mechanism of WTI

0 Answers   JBS,

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what is the working of hydrent system.

2 Answers  

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If breaker is undefined position, first step to do.

0 Answers   KSEB, L&T, Siemens,

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What is the basic difference between 90% stator earth fault and 100% stator earth fault, and its phenmenona?

4 Answers   Reliance,

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