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This paper presents a model of a wind turbine-fed Interior Permanent Magnet Synchronous Generator (IPMSG) connected to Converter・Inverter Drive system. Control inputs are defined as a torque of a wind turbine and the converter voltages and inverter voltages of the IPMSG drive. The drive system becomes a multi-input and multi-output controlled object. Variable control objects such as maximum efficiency operation, maximum torque/Ampere control, unity power factor control of the converter and inverter can be able to control simultaneously. The validity of the proposed model is confirmed by simulation results composing by the optimal regulator theory.

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