Third harmonic excitation device automatic circuit a thyristor


Posted on Mar 28, 2007

Attached to a separate harmonic generator stator windings, leads to the third harmonic voltage thyristor rectifier supply made after the motor field. Since the output voltage v


Third harmonic excitation device automatic circuit a thyristor
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aries with the winding harmonics generator load changes, and therefore with automatic adjustment of excitation. When the generator load and increase power factor decreases, the third harmonic winding output voltage corresponding increase; when the generator load decreases and the power factor increases, the third harmonic winding voltage correspondingly reduced. When the grid a short circuit, the third harmonic winding output voltage is greatly increased, the implementation of the force field generator. Circuit shown in Figure 7-43. Figure, sQ harmonic excitation winding.




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