Answer / gopal manda

low impedance protection low protection at over voltage,and high impedance protection provide more protection at over voltage.it offer the impedance against over voltage.

Compare salient pole and cylindrical rotor machines.

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What is bridge rectifier and explain with details

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HOW SKIN EFFECT REDUCE THE CROSS SECTION OF THE CONDUCTOR

2 Answers  

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What are the methods used to improve powerfactor ?

6 Answers  

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can u tell me the promotion from oiller to enginer

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why star point of motor shall not be grounded?

8 Answers  

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how i meggar value of 11kv alternator winding.and with meggar.

1 Answers  

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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what is the difference between kva and kw ?

5 Answers   TCS,

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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1.What is captive power plant? 2.What is national grid?Give brief idea.

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Why is the earth socket in an electrical plug outlet made thicker and lenghty?

5 Answers  

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