A propulsion control device executing propulsion control of an electric vehicle by using DC power supplied from each converter is connected to each converter as a load. A carrier phase table 22, in which, when load states of propulsion control devices capable of being determined to be equivalent to each other are grouped in a same group, setting values of phase angles in the same group are given for each group, is provided in a phase-angle determination unit 15 providing a desired phase angle between signal wave and carrier wave. The phase-angle determination unit 15 refers to the carrier phase table 22 based on a load state signal 25 indicating a load state of each propulsion control device and an own-vehicle ID signal 21, determines a phase angle provided to each converter, and outputs it to a PWM control unit. The PWM control unit changes a phase angle of the carrier wave based on the phase angle determined by the phase-angle determination unit 15.
ELECTRIC POWER CONVERSION DEVICE
STROMWANDLERVORRICHTUNG
DISPOSITIF DE CONVERSION DE COURANT ÉLECTRIQUE
2021-08-04
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 / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B61C Lokomotiven , LOCOMOTIVES |
ELECTRIC POWER CONVERSION DEVICE, ELECTRIC VEHICLE, AND ELECTRIC POWER CONVERSION METHOD
Europäisches Patentamt | 2018
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