Answer / bharani

Insulated Gate Bipolar Transistor is used as a high speed
switch in an UPS.

what is excitation/

0 Answers   ABB, Tata Steel Limited,

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

0 Answers  

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what is pure resistive circuit and pure inductive circuit

1 Answers  

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Why the suply frequency in INDIA is 50HZ

2 Answers   HCL,

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What is electrical energy ,power?

2 Answers   ABB,

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how to calclate fault level

2 Answers  

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what do you mean by the "bay" in a switchyard? how to determine exact number of bays in a substation?

8 Answers   Essar, L&T,

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In case of motor Power Factor Generally We Apply A Capacitor But How Can We Know That A Motor is Running On Very low Power Factor And What Rating Of Capacitor We Have To Place And Tell Me Conversion Of Micro Farad to KVAR>

2 Answers  

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what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 Answers  

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tell me some type of questions throught which i can prepare for exam and do my best

0 Answers   Jindal,

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

0 Answers  

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what is the purpose for open delta connection in potential transformer

2 Answers  

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