Answer Posted / ganesh

line fault or earth switch close that time we close the breaker SOTF function should trip but how ? fault time no voltage and impedance also zero that we know and No voltage condition VT fuse fail will be detected at the time main protection should block.so sotf function optd.

why asa method ZPF method is more accurate than ASA method?

5861

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what is the internal working of star delta starter

2165

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what is saturation kit?which use above 15 kw motors panel side.

4256

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

2230

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why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2961

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How LT megger works ?

2185

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write a program that prints prime numbers from 1-20 in digonal form

2062

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What are the two basic types of transformers?

1235

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how to set the time in digital timer ?

2083

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what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

2048

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what will happen if there is a voltage leakage or current leakage in an electrical train

2067

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Can a generator runs after getting 1st stator earth fault.

1477

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Please explain me about Relay curves and their sources to read ?

1860

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If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2330

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If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2558

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