what is the harmonics.
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Answer / salman younas
hahahah
harmonics are the multiple of bacic frequency...
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Answer / sneha shukla
Harmonics are electric voltages and currents that appear on
the electric power system as a result of certain kinds of
electric loads. Harmonic frequencies in the power grid are
a frequent cause of power quality problems
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harmonics are disturbances of the supply frequency so the
frequency are not purely in supply
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X is a uniformly distributed random variable that takes values betweeen 0 and 1.The value of E {X3}(x cube) will be.
L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.
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