Answer Posted / sripellirajukumar

hi
this is sripellirajukumar

ups means uninterrupt power supply....
inverter means the device which convers DC voltage into
AC...

In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

2182

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hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1930

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2212

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Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1917

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What is the size of a 60 watt and 80 watt tubelight?

2108

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How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

2154

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A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1909

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2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2272

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What is deference between MCB & MCCB & ISOLATOR

2045

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What is meant by cold loop test in instrument

2546

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What is excitation in case of dc motor?

1105

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what is mean by PIR in circuitbreaker and give me detail of that?

3456

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a simple c++ program to calculate simple interst with its data members as private

1797

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

2076

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I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

2819

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