What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

1 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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what we happen if 400 kvar cpacitor banks are on in manual mode and there is no load on mains ??????????????

7 Answers   HCL, Reliance,

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why+ve is earthed in electrostatic precipitator in thermal power plant

0 Answers  

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What are the function of different components of servo motor?

0 Answers   BARC, Parle,

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How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other?

4 Answers   BSF, TATA,

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what is the difference between 2-phase and 3-phase?

1 Answers  

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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What is the black star?

2 Answers  

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why transformer rating is always in KVA

7 Answers   GNG, NTPC,

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which connection is there in a rotor of the motor

2 Answers   All Trades Electrical, HAL,

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