why we use post insulators in no ofstacks at substation for supporting equipment ? why we not use single post insulator

3 Answers  

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In how we connect watt meter for open & short circuit test of a single phase transformer.

2 Answers   Sail,

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what is the difference between dropout fuse and horn gap fuse. how to choose between them

1 Answers  

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1.Why we use choke?If we use for high starting voltage then different type choke gives different voltage. Is it correct?

2 Answers   Dalkia, Luminous,

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What is the impact of MCCB & MPCB on Distributed Control System?

6 Answers  

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what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

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When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

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What is Servo Ventilated Motor?

0 Answers   L&T,

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What is Working principle of electronic choke?

1 Answers  

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What is polar plot?

0 Answers  

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when the diameter of the core and cable is doubled, the value of capacitance ?

2 Answers  

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why is a avtomatic voltage regulator used for?

5 Answers  

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