Bleeder circuit with peak voltage suppression function

The invention belongs to the technical field of power electronic products, and particularly relates to a bleeder circuit with a peak voltage suppression function, which comprises a bleeder resistor R1, two ends of the bleeder resistor R1 are connected with a diode D1, a diode D2 and a capacitor C1 i...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YONGEN, ZHU WANG, LIU HAO
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 EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	The invention belongs to the technical field of power electronic products, and particularly relates to a bleeder circuit with a peak voltage suppression function, which comprises a bleeder resistor R1, two ends of the bleeder resistor R1 are connected with a diode D1, a diode D2 and a capacitor C1 in parallel, one side of the bleeder resistor R1 is connected with a drain electrode of an MOS tube Q1, the other side of the bleeder resistor R1 is connected with bleeder circuit input voltage VCC, and the bleeder circuit input voltage VCC is connected with a voltage source of the MOS tube Q1. The grid electrode of the MOS tube Q1 is connected with the output end of a driving chip U1. The diode, the capacitor and other components are connected to the two ends of the bleeder resistor in parallel, so that oscillation type peak voltage generated at the two ends of the switch tube is restrained. 本发明属于电力电子产品技术领域，尤其是一种具有尖峰电压抑制功能的泄放电路，包括泄放电阻R1，所述泄放电阻R1的两端并联有二极管D1、二极管D2以及电容C1，所述泄放电阻R1的一侧连接有MOS管Q1的漏极，泄放电阻R1的另一侧连接有泄放电路输入电压VC