Answer Posted / sudheer

MFD means micro farad.
1 farad= 1 colomb/1 volt

what is buffer resistance starter.?.What is the working principle and where it is used..?

2029

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state the disadvantages of carbon filament???

2934

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1746

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2340

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

1690

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what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

2333

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how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2360

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Define filter?

1113

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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.

1871

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how to decide the capacity of accl

2427

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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

2188

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Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2212

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how to avoid Saturation in C.T?

2112

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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?

2261

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what is active power & reactive power?

2184

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