Answer Posted / karpagam

Freewheeling diode improves the input power factor by avoiding voltage reversal.This diode safely dissipates the energy stored in the inductive load when the thyristor is turned off.

What are the functions of different probes used in cro?

1191

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how to discharge 3 phase power factor correction capacitors

2464

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Air circuit breaker safety

1415

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I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

2261

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I WANT BHEL PREVIOUS QUESTION

2354

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How phase displacement change in the over current relay coils.

2425

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can we use trip light with bus coupler?

1934

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1941

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Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

2007

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

2413

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1 Ton is equal to how many watts?

1097

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What are approaches to tackle sedimentation problem of reservoir?

1012

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-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

2092

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1434

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

2099

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