Answer Posted / ramesharavind s

because we are at starting only in 50 hz so all power make
50hz module generator and motor.

I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1665

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why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2788

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in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1815

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what are the steps involved in generator load test?

1539

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What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2906

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WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

2299

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how many joint can done in HT line and what is life of the joint

2206

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2168

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How the frame size of a flange mounted AC induction motor is calculated?

2048

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How to measure the earth resistance value in a concrete pavement(flood light area)?

2188

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Explain about p.t?

1061

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Explain and give examples about VCB?

3293

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Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

2125

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What is the difference between grid and off- grid system??

1936

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What are the two basic types of transformers?

1148

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