본 발명의 일면에 따른 공급되는 교류 전원을 정류한 전류의 리플을 감소시켜 승압 컨버터에 전달할 수 있도록, 정류된 교류 전원의 전류 감소를 통해 전류의 리플을 감소시키는 리플 감소부; 및 상기 리플 감소부를 통해 감소된 전류의 리플을 제거하는 노이즈 필터 콘덴서;를 포함하여 이루어진 것을 특징으로 한다.
According to one aspect of the present invention, an input current ripple reduction circuit of a power factor correction circuit capable of reducing the cost of products comprises: a ripple reducing unit reducing ripple of a current through current reduction of rectified alternating current power so that the ripple of the rectified current of the supplied alternating current power may be reduced and transmitted to a switching element; and a noise filter condenser removing the ripple of the current reduced through the ripple reducing unit.
The input current ripple reduction circuit of the power factor correction circuit
역률 보상회로의 입력 전류 리플 저감 회로
2023-01-05
Patent
Electronic Resource
Korean
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Charging circuit with low input current ripple and wide charging voltage range
European Patent Office | 2021
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