POWER CONVERTER WITH REVERSE RECOVERY AVOIDANCE

A power converter includes a reverse-recovery avoidance scheme. The power converter may include deliver current from a direct current (DC) power source to an alternating current (AC) load. A first switch and second switch of the power converter may be operated to supply the AC load with positive cur...

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Bibliographische Detailangaben
Hauptverfasser:	CHAPMAN PATRICK L, ESRAM TRISHAN
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:	A power converter includes a reverse-recovery avoidance scheme. The power converter may include deliver current from a direct current (DC) power source to an alternating current (AC) load. A first switch and second switch of the power converter may be operated to supply the AC load with positive current respective to the AC load from the DC power source. A third and fourth switch of the power converter may be operated to supply the AC load with negative current respective to the AC load from the DC power source. A first diode may be electrically coupled in series with the second switch and second diode may be electrically coupled in parallel with the first diode and the second switch. The second diode may conduct the positive current when the first switch is off and the second switch is on. A third diode may be electrically coupled in series with the fourth switch and a fourth diode may be electrically coupled in parallel with the third diode and the fourth switch. The fourth diode may conduct the negative current when the third switch is off and the fourth switch is on.