How is Grounding or Earthing achieved in Planes and Automobiles?

3 Answers   ABC,

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what will happen if the field and armature both are made to rotate in a synchronous machine ?

4 Answers  

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installation of subsatation of33kv

0 Answers  

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can someone explain that how the speed of the protection system affects the fault level calculation?

0 Answers  

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What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

0 Answers   HPCL,

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how to calculate capacitor bank value to maintain unity power factor plz xplain with some suitable xample?

4 Answers  

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Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

0 Answers   Honda,

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why voltage swells and dips???

3 Answers  

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what is the effect of back reactive power on the generator ?

0 Answers   MRF,

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how we can measure the dc current instead of clamp meter ?

1 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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what difference between thermal and bi-metal over load relay?

2 Answers  

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