A multiple stage switching type converter circuit provided between an AC source and a DC source is provided. The circuit includes a boost converter stage coupled to the AC source, a DC link capacitor stage comprising a DC link capacitor decoupled from an AC source and a DC source, and an isolated DC-DC converter stage coupled to the DC source. The multiple stage switching type converter circuit comprises a plurality of switches, each switch configured to operate at a baseline duty cycle, a baseline voltage, a baseline resistance, with a baseline current and providing a baseline switching time. At least one switch is altered to perform at a duty cycle differing from the baseline duty cycle, a voltage differing from the baseline voltage, a resistance differing from baseline resistance, with a current differing from the baseline current or using a switching time differing from the baseline switching time.
Method to reduce losses in a high voltage DC link converter
2021-02-23
Patent
Elektronische Ressource
Englisch
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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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