explain the meaning of harmonic resonance

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how can we minimize the off load losses of a distribution transformer which is required to be energized 24x7 ?? capacity of the T/F is 1250 KVA and off load losses are around 2.0 KW.. can we use capacitor bank at the secondary of such a T/F to overcome off load losses? please elaborate briefly...thanks

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

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EARTH AND NEUTRAL ARE JOINTED OR NOT?

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Please define ampere?

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what is the difference between electrical choke and electronic choke?

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what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

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Why PT is fitted in incomer panel.....?

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anybody can give the voltage value for 1M ohm

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How would you calculate power loss in a resistor?

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what is hystersis loss?

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any body can give me idea or sketch of fuel(Diesel) level controller for genset.

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