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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Differentiate between magnetic field and magnetic flux?

0 Answers  

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We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?

4 Answers  

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what is the diference beteween dedicated earthing & body earthing?

1 Answers  

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why the substation require din electrical system?

1 Answers  

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what is the IEC standard for Power Cable installation in onshore (like in direct buried ground or above groung)

0 Answers   L&T,

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11 kV line deraction check by an Engineer.

0 Answers  

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What is the difference between a Junction Box and a Marshalling Box?

8 Answers  

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IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers   Jindal,

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toughest decision you ever had to make

1 Answers   Infosys,

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can any one provide me a connection wiring diagram for a DG set control panel along with BOM?

0 Answers   Omaxe,

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what is the relative size of single and three phase?

0 Answers   Student,

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