Answer / manikandan krishnan

As sathish said it might have main bus bar,Earth bus bar & sometimes control busbar which is used to feed auxilary supply to relay ,meters and some times control circuits are also available in the switchgear panels.

Answer / sathesh

For switchgear panel we have R,Y,B,N and Earth busbar. Total 5.

Answer / vijay balu raskar

Busbar is only one which is long strip of conducting material. There is no type of kinds of busbar but which can be made by different conducting material if required. Mostly, copper busbars are in used.

What do you mean by turns ratio of instrument transformer?

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In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 Answers  

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what is the function of a Master trip relay? why is it used ?

5 Answers   ABB, Nissi Engineering Solution,

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WHAT HAPPENED HT MOTOR FEED WITH LT SUPPLY

1 Answers  

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I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

0 Answers   Bell,

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what is the carona effects meaning in HT line transmmission system

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How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 Answers  

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We have Diesel generator of 200KW but load connected to it only 100KW. Pl. brief me about fuel consumption.

4 Answers   ARDE,

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Why Stabilising Resistor used in REF circuit ?

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

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Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

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