Two level four -quadrant converters
The utility model provides a two level four -quadrant converters, it relates to a converter. The utility model discloses a solve the problem of the two -way flow that the energy can not be realized to present converter, the poor stability of system. The utility model discloses an input termination t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model provides a two level four -quadrant converters, it relates to a converter. The utility model discloses a solve the problem of the two -way flow that the energy can not be realized to present converter, the poor stability of system. The utility model discloses an input termination that electricity voltage on line side gathered the modulate circuit is between electric wire netting and first reactance, the input termination of motor side voltage acquisition modulate circuit is between second reactance and motor, the input termination that electricity current on line side gathered the modulate circuit is between first reactance and three -phase rectifier circuit, the input termination that the modulate circuit was gathered to motor side electric current is between three -phase inverter circuit and second reactance, the input termination of direct current voltage acquisition modulate circuit is at the both ends of electric capacity, electricity voltage on line side gathers the modulate circuit, motor side voltage acquisition modulate circuit, electricity current on line side gathers the modulate circuit, the equal connection control circuit of output of modulate circuit and direct current voltage acquisition modulate circuit is gathered to motor side electric current. The utility model discloses realize the two -way flow of energy, eliminated the electric wire netting harmonic. |
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