Electrical powerplant for vehicles
First Claim
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1. An electrical power plant for a vehicle, particularly an automobile, comprisinga battery (1);
- at least one 12- or 24-pole three-phase disk-rotor motor (6) with a shaft operatively coupled to a wheel, said motor comprisinga disk-rotor with conducting strips mounted on the motor shaft, andcircularly arrayed magnets of alternating polarities on either side of the rotor equipped with iron returns outside the rotor periphery; and
means for controlling said motor including a power supply having variable amplitude and frequency, said power supply comprisinga three-phase DC-AC inverter (16) connected to receive DC voltage from said battery and to generate a high-amplitude three phase voltage;
an AC-DC rectifier (17) and a smoothing circuit (18) connected to the output of said inverter to receive and rectify said three-phase voltage into DC voltage;
a pulse-width control (19) connected to receive the output of said smoothing circuit and having an output variable in pulse width and pulse repetition rate; and
circuit means connecting said output of said pulse width control to a three-phase winding of said disk-rotor motor.
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Abstract
An electric power plant comprising a battery and a DC-three-phase AC inverter, for a vehicle, in particular an automobile. The powerplant comprises at least one three-phase disk-rotor motor (6) assigned to one vehicle wheel, the supply voltage for said motor being adjustable in amplitude and frequency.
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Citations
5 Claims
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1. An electrical power plant for a vehicle, particularly an automobile, comprising
a battery (1); -
at least one 12- or 24-pole three-phase disk-rotor motor (6) with a shaft operatively coupled to a wheel, said motor comprising a disk-rotor with conducting strips mounted on the motor shaft, and circularly arrayed magnets of alternating polarities on either side of the rotor equipped with iron returns outside the rotor periphery; and means for controlling said motor including a power supply having variable amplitude and frequency, said power supply comprising a three-phase DC-AC inverter (16) connected to receive DC voltage from said battery and to generate a high-amplitude three phase voltage; an AC-DC rectifier (17) and a smoothing circuit (18) connected to the output of said inverter to receive and rectify said three-phase voltage into DC voltage; a pulse-width control (19) connected to receive the output of said smoothing circuit and having an output variable in pulse width and pulse repetition rate; and circuit means connecting said output of said pulse width control to a three-phase winding of said disk-rotor motor. - View Dependent Claims (2, 3, 4, 5)
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Specification