Fault tolerance permanent magnet power generation system and control method thereof
A technology of permanent magnet power generation and permanent magnet generator, which is applied in the direction of motor generator control, electronic commutation motor control, control system, etc., can solve problems such as increasing motor loss, improve reliability, expand application fields, and improve power generation. performance effect
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[0033] The structure and beneficial effects of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0034] Such as figure 1Shown is a structural diagram of a fault-tolerant permanent magnet power generation system provided by the present invention, including an open-winding permanent magnet generator, a three-phase bridge converter, a three-phase rectifier bridge, a parallel DC bus, a filter capacitor, and a drive circuit , a controller and a detection circuit, wherein the neutral point of the permanent magnet generator is opened to constitute an open-circuit permanent magnet generator; one side of the generator is connected to a three-phase bridge converter, and the other side is connected to a three-phase bridge converter. phase rectification bridge; the three-phase bridge converter is composed of 6 switching devices with body diodes, the 6 switching devices are connected in series in pairs, and then 3 series branches are c...
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