Answer / mani_mc2006

1.one earth fault will not affect the generator more. but at
the same time if another earth fault happened it's dangerous.
2.We can test this relay by using Resistance Pot.
3.Apply the Aux supply and connect the resistance pot across
the terminals where we taken reference from the generator.

what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

5 Answers  

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why in a transformer frequency remains constant? if frequency is changing what will happen?

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the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

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Can any body explain the operation system of MVWS(May be related to water and fire hydraunt system)?

2 Answers   TATA,

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why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??

0 Answers  

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direction of tarbine& genrator

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What is D check in a Diesel generator for 1000kva DG

9 Answers   Escorts,

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what is difference b/w earth and ground?

7 Answers   TATA, TCS,

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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The unit of quantity of electricity is the:(a) volt(b) coulomb(c) ohm(d) joule

1 Answers  

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