摘要:
An electric household appliance (1), particularly a laundry treating machine, comprising an universal electric motor (6) provided with a first stator winding portion (19) having a first terminal connectable to a voltage source and a second terminal which is connected to a second stator winding portion (20). The household appliance (1) further comprising electronic control means (11) which comprise a chopper regulating circuit (13) which is configured to chopper-regulate the current (I) supplied to the motor (6) based on a first value indicating the required rotor speed (ωr), and a filtering circuit (14) comprising a least one capacitor (25) and an power factor corrector inductor (18) being said first stator winding portion (19). The electronic control means (11) are further configured to selectively connect said capacitor (15) to said first or said second terminal of said first stator winding portion (19).
摘要:
The invention relates to an assembly for controlling an electric vacuum pump (1) for a vehicle, said assembly being connectable to a supply voltage (2) by means of at least one switch (4, 7, 10, 13) that can be controlled by an electronic control unit. In a start-up phase of the vacuum pump (1), the electronic control unit connects an additional electric resistor (6; 9, 12) between the supply voltage (2) and the vacuum pump (1).
摘要:
The invention relates to a device for starting an internal combustion engine, having a battery terminal, a starter motor and a switching module arranged between the battery terminal and the starter motor. The switching module comprises a starting current relay, a primary relay and a series resistor. The series resistor is directly connected to the battery terminal.
摘要:
The invention relates to a control circuit for an arrangement having at least two DC motors (10, 12), which can be connected in parallel to a DC voltage system (16, 18), in particular a circuit for controlling at least two motors of a motor vehicle fan. In this case, the DC motors (10, 12) can be connected to the DC voltage system (16, 18), on the one hand, during starting, jointly via in each case one series resistor (22, 24) having a low resistance value and a common semiconductor switching element (26) and, on the other hand, during operation, via separate semiconductor switching elements (32, 34), the series circuit comprising the separate series resistors (22, 24) and the common semiconductor switching element (26) being arranged in parallel with the separate semiconductor switching elements (30, 32) for controlling the motors during operation.
摘要:
L'invention concerne un dispositif de commande du moteur électrique (M) d'un démarreur de véhicule automobile, comportant des moyens pour réduire la tension d'alimentation dudit moteur électrique (M) en début de démarrage, caractérisé en ce que ces moyens comprennent une charge électrique (10), et un moyen (5,12) apte :
à appliquer cette charge (10) à une source d'alimentation (B) du moteur (M) pendant une phase de début de démarrage, et ; à déconnecter cette charge (10) après cette phase de début de démarrage.
Le dispositif comporte également un moyen apte à détecter la fin d'une pointe de courant dans le moteur électrique et à commander un changement d'état du moyen d'application de charge en cas d'une telle détection.
摘要:
L'invention concerne un dispositif de commande du moteur électrique (M) d'un démarreur de véhicule automobile, comportant des moyens (5, 8, 21, 22) pour réduire le courant à travers le moteur (M) en début de démarrage, caractérisé en ce que ces moyens sont prévus pour mesurer une valeur représentative de l'intensité dans le moteur (M), la comparer à un seuil donné (Imax) et commander une réduction de l'intensité dans le moteur (M) lors d'un dépassement de ce seuil (Imax).
摘要:
The invention relates to a control part for a starting circuit of a direct-current electric motor, comprising a variable resistor by means of which a starting voltage of the direct-current electric motor can be set, wherein the variable resistor can be controlled by means of a control voltage, wherein the control part comprises a frequency filter, the output signal of which forms the control voltage and is provided in such a manner that the variable resistor is activated with time delay. The invention further relates to a starting circuit for a direct-current electric motor comprising a control part according to the invention. The invention further relates to an adjustment device comprising a direct-current electric motor, and to a starting circuit comprising a control part according to the invention.