Bidirectional DC-AC converter

The invention discloses a bidirectional DC-AC converter which comprises a DC-pulse DC bidirectional conversion main circuit, a pulse DC-AC bidirectional conversion main circuit, a first adjusting circuit, a second adjusting circuit, a third adjusting circuit, a first PWM circuit, a second PWM circui...

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO XIAOCHAO, ZHENG JINBING, ZHENG MINGCAI, XIAO FENG, ZHENG ZHAO
Format:	Patent
Sprache:	chi ; 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:	The invention discloses a bidirectional DC-AC converter which comprises a DC-pulse DC bidirectional conversion main circuit, a pulse DC-AC bidirectional conversion main circuit, a first adjusting circuit, a second adjusting circuit, a third adjusting circuit, a first PWM circuit, a second PWM circuit, a third PWM circuit, a first driving circuit, a second driving circuit, a third driving circuit and a digital control circuit. And the DC-pulse DC bidirectional conversion main circuit and the pulse DC-AC bidirectional conversion main circuit are connected through two stages of cascaded intermediate ports. According to the converter, a two-stage protection and two-stage control mode is adopted, basic protection is borne by a pure hardware circuit, reliability and rapidity are guaranteed, comprehensive intelligent protection is borne by software in digital control, and flexibility and comprehensiveness are guaranteed; high-frequency control is completed by a pure hardware circuit, real-time performance of control