Answer Posted / k.prakashchandra

Resistance of dog conductor is 0.28 ohm /KM at 20'C.Find the current and use the formula W = I^2 R

What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1934

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2204

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Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

2503

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How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

2256

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wht is embedded systems? what is new inthis field?

2059

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what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing

2125

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what is solkor relay and which condition it will act?

3402

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Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1892

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Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4341

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what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

10378

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how to calculate the Neutral transformer impedance?

2540

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What is “pu” in electrical engineering?

1195

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How to know the Max. current caring capacity of the cable by its size ?

1716

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Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

3193

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Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

2180

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