A power converter for an electric power system comprises a switching circuit (102) for supplying, in a first operating mode of the power converter, voltages for driving a rotating electric machine. The power converter comprises a contactor system (110) and a controller (109) for using, in a second operating mode of the power converter, the switching circuit and at least one of windings (115) of the rotating electric machine as a voltage-decreasing direct voltage converter between direct voltage terminals of the power converter. Therefore, the switching circuit of the power converter can be utilized both for driving the rotating electric machine and, for example, for charging a battery element connected to a direct voltage terminal of the power converter.
A POWER CONVERTER, AN ELECTRIC POWER SYSTEM, AND A METHOD FOR CONTROLLING AN ELECTRIC POWER SYSTEM
STROMRICHTER, ELEKTRISCHES ENERGIESYSTEM UND VERFAHREN ZUR STEUERUNG EINES ELEKTRISCHEN ENERGIESYSTEMS
CONVERTISSEUR DE PUISSANCE, SYSTÈME D'ALIMENTATION ÉLECTRIQUE ET PROCÉDÉ DE COMMANDE D'UN SYSTÈME D'ALIMENTATION ÉLECTRIQUE
2020-09-09
Patent
Elektronische Ressource
Englisch
Power converter, an electric power system, and a method for controlling an electric power system
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