if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

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where transformer is installed? a)generating station b)substation c)voltage regulating area

6 Answers  

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can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

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why does not tester light up when it is touched to neutral of 3 pin socket.

4 Answers  

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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

0 Answers  

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What is the difference between line Distance protection and Line Earth Fault Protection?

1 Answers  

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10 Mtr Hight of Lighting Arrestar how much area coverd??

0 Answers   OmniActive,

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What should be the BDV value of a new transformer oil

3 Answers  

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my company total load is 1000kw, 415volt, all load are inductive load. incoming powerfactor is .8. we want to have0.95 pf connecting capacitors. so now how much rating of capacitors we have to connect? show how?

3 Answers  

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what is the difference beteen differential protection and over current protection of an alternator

2 Answers   GVK,

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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 IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

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