An embodiment charging device includes a power factor correction (PFC) circuit including first, second and third inductors and first, second and third switch legs connected to the first, second and third inductors, respectively, a relay network configured to control connection between the first, second and third inductors and first, second and third input terminals according to a phase of a power grid connected to the first, second and third input terminals, wherein the relay network includes a first relay connected between a neutral point and the third inductor, and a capacitor having a first end connected to the neutral point with respect to the first, second and third input terminals and a second end connected to ground, wherein the first end of the capacitor is positioned closer to the neutral point than the first relay.
Charging Device
2022-12-29
Patent
Elektronische Ressource
Englisch
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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