How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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What is the difference between isolators and electrical circuit breakers?

0 Answers  

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i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

5 Answers   EEE, TCS,

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if you short the any 2phase(R,Y,B),why fuse get blown?

5 Answers   Steel Plant,

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how do i convert 22kw to kva

4 Answers   Stag Computers,

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difference between crane drive and line drive.

0 Answers  

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how can a race around condition be eliminated using master slave flipflop?????

3 Answers  

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what are the differant std sizes of cable trenches?

0 Answers  

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a wire in which bulb is connected there is two terminal when one terminal is connected to phase than why the value of current shock in nutral terminal is max. or large??

4 Answers  

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Explain what is use of lockout relay in ht voltage?

0 Answers  

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what is the function of choke in tube

1 Answers  

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what is meant by frequency ?

10 Answers   TCS,

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