Energy utilization point tracker inverter

A sequential extraction control device for use in a 3-phase DC/AC converter. The 3-phase converter has three single-phase DC/AC converters, each controlled by a respective PWM extractor. Duty factor adjustments are made depending on a current portion of an AC power cycle. A sequential regulator caus...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SHUY, Geoffrey Wen-Tai
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A sequential extraction control device for use in a 3-phase DC/AC converter. The 3-phase converter has three single-phase DC/AC converters, each controlled by a respective PWM extractor. Duty factor adjustments are made depending on a current portion of an AC power cycle. A sequential regulator causes the PWM extractors to have non-overlapping duty cycles such that extractions of each of the single-phase DC/AC converters is performed in sequence, rather than concurrently. This improves the efficiency in extracting power from the DC power.