why the efficiency of the dc machine is high ,when it is operated as a generator?

3 Answers  

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What is Control & Relay Panel? And Remote Control Center?

0 Answers   L&T,

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What is the full form of GSL wire

8 Answers   Bhel, GSL,

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what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

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How do we check transformer losses and what are the ways to minimise it.

5 Answers  

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a.)Ammeter and Voltmeter read rms value or avg. value ? b.)What are symmetrical and Unsymmetrical faults?

2 Answers  

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what is the different between surgearrester and lighting arrester

4 Answers   HPCL,

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What are the different circuits in thermal power plant?

0 Answers  

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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hello friends..... any one have papers or any study materials?sail ,hpcl...?

0 Answers  

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What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?

0 Answers  

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while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 Answers  

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