Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 Answers   ABB, Reliance,

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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Write a note on materials used as a fuse element.

0 Answers   Bhel,

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tell me the operation of ELCB. How it detects a fault?

4 Answers  

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What is meant by Reactor in power system and what are the uses?

11 Answers   EEE,

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What is double throw isolator and single throw Isolator.

1 Answers   KSEB, L&T, Siemens,

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what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 Answers  

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Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

0 Answers   Sterling Wilson,

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why the 4 terminal are named as main, line, common, voltage (M, L, C, v) of a wattmeter?? why not its nameed as A,B,C,D??

6 Answers   Jindal,

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(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

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hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

0 Answers  

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how to select DG set for certain load?

7 Answers   ACC,

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