A method performed in a power bridge (3) comprising multiple arms (B1, B2, Bi, Bn). Each arm comprises upper and lower semiconductor switches arranged in series and connected in parallel to first and second terminals (B+, B−) of a common voltage source (2). The mid-point of the arm is connected to a phase of an electrical load (1). The aforementioned switches are controlled complementarily by pulses having a duty factor set value (RC1, RC2, RCi, RCn) determined as a function of a first phase voltage set value (V1, V2, Vi, Vn) in relation to a reference terminal of the electrical load (1) and of a common-mode voltage (V0) in relation to one of the first or second terminals, such as to control the switching losses of the switches. The common-mode voltage (V0) is determined such as to balance switching losses and conduction losses between the switches.


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    Title :

    PROCEDE DE PILOTAGE D'UN PONT DE PUISSANCE, DISPOSITIF DE PILOTAGE, PONT DE PUISSANCE ET SYSTEME DE MACHINE ELECTRIQUE TOURNANTE CORRESPONDANTS


    Additional title:

    METHOD FOR CONTROLLING A POWER BRIDGE, AND CORRESPONDING CONTROL DEVICE, POWER BRIDGE AND ROTARY ELECTRIC MACHINE
    VERFAHREN ZUR STEUERUNG EINER LEISTUNGSBRÜCKE UND ZUGEHÖRIGE STEUERUNGSVORRICHTUNG, LEISTUNGSBRÜCKE UND ELEKTRISCHE DREHMASCHINE


    Contributors:

    Publication date :

    2018-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / 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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