what is the principle of switch gear? where its function ?

9 Answers  

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what is current

53 Answers   Bio Enterprises, CLG, TCS,

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What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.

4 Answers   Trident,

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what is prniciple of three phase IM?

3 Answers  

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hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

0 Answers  

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HOW TO MEASURE AC VOLTAGE BY USING GALVANOMETER?

1 Answers  

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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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How to calculate the transmission losses incase of overhead transmission lines?

6 Answers   Jindal,

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

0 Answers   AVT Natural Products, EMC,

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What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

0 Answers   ITC Infotech,

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What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?

0 Answers   Power Plant,

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What is Exitation voltage and Exitation current? What is the function of these in Alternator?

2 Answers   TC, Tisco,

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