외부 충전설비에서 제공되는 교류 전력의 교류 전압의 공통모드 성분의 크기와 직류 링크 커패시터에 의해 형성된 직류 전압의 크기 및 입력단 Y-커패시터의 연결노드와 출력단 Y-커패시터의 연결노드에서 접지로 흐르는 누설전류에 기반하여 역률 보정 컨버터 내 스위칭 소자의 듀티를 결정하는 듀티 제어기를 포함하는 저주파 누설전류를 감소시킬 수 있는 충전 장치가 개시된다.
Disclosed is a charging apparatus capable of reducing a low-frequency leakage current, the charging apparatus including a duty controller that determines a duty of a switching element in a power factor correction converter based on a level of a common-mode component of an alternating-current (AC) voltage of AC power provided from an external charging facility, a level of a direct-current (DC) voltage formed by a DC link capacitor, and a leakage current flowing from a connection node of two input-terminal Y-capacitors and a connection node of two output-terminal Y-capacitors to the ground.
CHARGING APPARATUS CAPABLE OF REDUCING LOW FREQUENCY LEAKAGE CURRENT
저주파 누설전류를 감소시킬 수 있는 충전 장치
18.04.2024
Patent
Elektronische Ressource
Koreanisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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