1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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what are the tests comes under the type test, what tests comes under routine tests.

0 Answers  

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What is relation between mu(nought) and epsilon(nought)?

0 Answers  

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why surge protectetor work explain with the help of circut diagram?

0 Answers  

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what is the difference between series and shunt compensation using facts in a transmission line

8 Answers   College School Exams Tests, Genco,

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In synchronous generators field is rotor and armature is stator.Can we take the output at the rotor in case of synchronous generator by the dc excitation on the stator?

2 Answers  

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what is G.O.D.S. ?

2 Answers   RCE,

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What is the reason for low voltage in houses?

19 Answers   Maytas,

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what is the function of statics switch in ups and tell me parts

0 Answers   Dalkia,

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For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

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how we are desining 63.5 ohm resistor for NGR of alternator?

1 Answers  

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Why Ac Systems Are Preferred Over Dc Systems?

0 Answers   ABB,

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