Answer Posted / pankaj

Transformer is an electrical static device which is useful
in step-down and step-up the voltage level at the output
side as desired.

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

1354

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

2065

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What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

2438

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WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2211

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2064

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1869

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what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2184

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

804

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how to check three phase motor torque value?

2369

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what type questions asked in hp cl

1853

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what is the saturation point of crgo lamination.

2231

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I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2167

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What is quadrantal symmetry?

1648

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What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1120

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what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2282

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