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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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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Classify milling machines.

0 Answers   Ashok Leyland,

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Brushless excitation of synchronous generators and motors

2 Answers   AMIE,

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What is d role of reactive power in power system??How it produce & consume?

5 Answers   ABB,

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How can one connect three source of electricity in a house..the source are 2 gen and one electricity.

2 Answers   SAUDI ARABIAN BAYTUR, Wantro Technical Services,

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dear friends, how to calculate "Gage" in copper wire , aluminum wire etc. have any formula?

1 Answers  

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what is the frequency of direct current(dc)?

12 Answers   Cognizant, University,

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when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?

5 Answers   Luminous,

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what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

0 Answers   Jindal, Power Grid,

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How can we get d.c series motor characteristics by using a.c induction motor?

1 Answers   IIT,

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hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds

0 Answers  

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