Answer / upenderb

if a dc supply is given to field winding due to inductive effect winding gets shorted and causes damage to the winding So to limit the current high resistance is used.But armature winding has the back emf facility to overcome this drawback

what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 Answers  

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How to calculate the Harmonics losses in terms of cost/unit.

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What is the function of a neutral reactor.

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how to calculate the tarriff for an industry whose kva demand is 10 mva

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how does PLCC work?...

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What is the difference between earthed and unearthed power cable.

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What are the two types of compensation?

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What should be distance required in between two phase of HT cionductors in open area??????

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When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2 Answers  

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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What is the importance of counter based plan & how is it scheduled?

0 Answers   TATA,

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Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

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