Method and device for controlling a polyphase electrical machine
A multi-phase motor and control circuit technology, applied in the direction of output power conversion device, control system, motor control, etc., can solve the problem of increasing volume
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[0037] image 3 An embodiment of the control device of the present invention is shown, the control device shown is through two three-phase inverters 10 connected in parallel 1 and 10 2 To control the three-phase motor 30.
[0038] As mentioned above, the invention is particularly applicable in the field of aviation. Electric machine 30 may be a system for starting an aircraft engine (eg, a turbine engine). An electric motor is mechanically coupled to the shaft of the engine to drive the engine at start-up, for which purpose the electric motor is controlled by means of an electric motor. The electric machine 30 may also be a machine used to start an auxiliary power unit (APU) or to start an actuator.
[0039] Inverter 10 1 with three branches 10 1a , 10 1b and 10 1c , respectively through the control device output 12 a , 12 b and 12 c Deliver AC I 1a , I 1b , and I 1c . Similarly, the inverter 10 2 with three branches 10 2a , 10 2b and 10 2c , also respectivel...
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