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Power quality improvement for distributed generation employing photovoltaic-inverter

机译:使用光伏逆变器的分布式发电的电能质量改善

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摘要

Power quality problems such as variation of reactive power consumption and distorted current injection in distributed generation system can be compensated by a single-phase conditioner. The proposed conditioner works in feed forward mode and placed in parallel with the PV-inverters in the distributed generation system. A simple current extraction method is applied and an operating algorithm of the conditioner's hysteresis current controller is implemented. The proposed conditioner is simulated using Simulink/Matlab. The simulation has shown that the current detection method and the hysteresis current control based on the proposed algorithms are worked well and capable to improve the quality of injected currents to the main grid system.
机译:可以通过单相调节器来补偿电能质量问题,例如分布式发电系统中无功功率消耗的变化和电流注入的失真。拟议的调节器以前馈模式工作,并与分布式发电系统中的光伏逆变器并联。应用一种简单的电流提取方法,并实现了调节器的磁滞电流控制器的操作算法。拟议的护发素是使用Simulink / Matlab仿真的。仿真表明,基于本文算法的电流检测方法和滞环电流控制效果良好,能够提高注入主电网的电流质量。

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