Answer Posted / nikunj

As we know Cu loss depends on current & iron loss depends
on voltage and not affected by power fector hence always
transformer ratting defined in KVA not in Kw.

Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2299

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Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

3365

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errection check list for transformer maintenance

2176

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

1762

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in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1835

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Batteries. What is the difference between Lead and Nickel batteries ?

1685

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which type of amplifiers are used in multimete?

1639

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What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

868

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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

4624

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What is the difference between the transmission line and distribution line?

659

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

1423

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i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?

1913

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what causes contact chatter when there is no demand on the air conditioning unit?

1615

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If there is major % of Voltage harmonics in the system, how can it be control or reduced?

1561

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What will be the current if the resistance total in a series circuit doubles?

691

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