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Excessive levels of the harmonics are undesirable as they can cause additional heat losses in rotating machinery and therefore reduce the machinery useful lifetime. An approach to reduce the harmonics is proposed. The technique requires estimates of harmonic state in the given network by firstly classifying nodes of the network into one of four types. The condition for minimum measurement set is derived...
Using circuit analysis, it is shown that it is generally not possible to attribute precisely the power contributions from harmonic sources in loads. A harmonic power flow control scheme is proposed instead so as to reduce the harmonic heating effect in motor loads and thus increase the lifetime of the motors. The technique is based on the sensitivity measure of harmonic real power in the motors to...
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