Compact drive system and drive method for open-winding permanent magnet synchronous motor
A permanent magnet synchronous motor and drive system technology, applied in the control system, control generator, vector control system, etc., can solve the problems of high complexity of the control system, increase the cost of the drive system, etc., and achieve the effect of cost reduction
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[0037] The technical solutions and beneficial effects of the present invention will be described in detail below with reference to the accompanying drawings.
[0038] like figure 1 As shown, the present invention provides an open-winding permanent magnet synchronous motor compact drive system, including an open-winding permanent magnet synchronous motor, a four-arm compact converter, a control module and a DC power supply, wherein the control module includes a controller and a separate The current signal acquisition module, the position signal acquisition module and the drive module connected to it will be introduced separately below.
[0039] The four-bridge compact converter includes four bridge arms in parallel with each other, and each bridge arm includes an upper bridge arm and a lower bridge arm connected in series with each other, and the connection point between the upper bridge arm and the lower bridge arm is defined as the bridge arm. The midpoint of , at the same t...
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