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DC bus voltage control for PV-powered water pump systems using a permanent magnet synchronous motor without shaft sensor

机译:用于PV供电水泵系统的直流母线电压控制,使用永磁同步电动机没有轴传感器

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The system studied in this paper is a PV powered water pump system, consisting of a PV array, a low cost inverter, a permanent magnet synchronous motor (PMSM) and a water pump with a water storage. The PV array has a peak power of 4,32 kW. The overall control of the system consists of a current controller, a speed controller without a shaft sensor and a main control consisting of a voltage controller and the MPPT. The voltage control varies the speed of the PMSM to stay in the calculated optimum voltage given by the MPPT. Measured results of the different control units are presented to demonstrate the stability of the system.
机译:本文研究的系统是PV供电水泵系统,由PV阵列,低成本逆变器,永磁同步电动机(PMSM)和带储水的水泵组成。光伏阵列具有4,32 kW的峰值功率。系统的整体控制包括电流控制器,该速度控制器是没有轴传感器的速度控制器和由电压控制器和MPPT组成的主控制。电压控制变化了PMSM的速度,以保持由MPPT给出的计算出的最佳电压。提出了不同控制单元的测量结果以证明系统的稳定性。

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