SINGLE-PHASE VOLTAGE TYPE AC-DC CONVERSION DEVICE

PROBLEM TO BE SOLVED: To provide a single-phase voltage type AC-DC conversion device that enables such an autonomous parallel operation that an individual device autonomously controls an output deviation even in the case that a plurality of devices are connected in parallel to perform a parallel ope...

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Hauptverfasser:	USHIKI SHUICHI, OSHIMA MASAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a single-phase voltage type AC-DC conversion device that enables such an autonomous parallel operation that an individual device autonomously controls an output deviation even in the case that a plurality of devices are connected in parallel to perform a parallel operation by a single-phase AC, and that can independently control an active power and a reactive power respectively.SOLUTION: A single-phase AC having a predetermined phase difference from a phase of a single-phase AC voltage of an AC terminal is generated, and the generated single-phase AC and the single-phase AC voltage of the AC terminal are utilized to perform PWM control of an inverter. In addition, an active power and a reactive power of the AC terminal are measured, and a single-phase voltage type AC-DC conversion circuit is controlled so as to obtain the desired active power and reactive power.