What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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what is the difference between OSR and BUCHHOLZ relay of transformer?

1 Answers   Bhushan Power Steel,

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In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

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HOW TO CALCULATE THE LOSSES OF CURRENT FOR LT CABLE JOINTING TO MOTOR SUPPLY.

2 Answers  

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while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

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Difference between stepper motor & induction motor.

1 Answers  

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How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

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what is the working principle of three point starter of dc motor?

1 Answers   Ashok Leyland, Cap Gemini, Infosys, Just Dial,

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WHAT IS THE USE OF STARTER AND CHOKE IN TUBE LIGHT?

1 Answers   Siemens,

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how can we charged the battery in DG

2 Answers   MTS,

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Define step response?

0 Answers  

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