what is harmonics?explain in simple words?what is its
impact on circuit?
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Answer Posted / ramakrishnan
Harmonics is nothing but the voltage and Current
disturbances caused by Non Linear Loads whose Fundemental
frequency will be in multiples of integers....
eg: 100Hz,150Hz,200Hz,250Hz
Any doubt about Harmonics contact 9840992005
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I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.
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