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首页> 外文会议>Michael Faraday IET International Summit 2015 >Design and analysis of Fuzzy tuned Proportional Resonant controller for Shunt Active Power filter using Neutral Point Clamped Multi-level Inverter
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Design and analysis of Fuzzy tuned Proportional Resonant controller for Shunt Active Power filter using Neutral Point Clamped Multi-level Inverter

机译：中性点钳位多电平逆变器的并联有源电力滤波器模糊调谐比例谐振控制器的设计与分析

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摘要

Recent trend in the power distribution system is showing that the use of non-linear loads and devices will take a rising profile in days to come. This introduces harmonics in source side currents which degrades the power quality. Power utilities are very much concerned with this situation. The use of Shunt Active Power filters (SAPF) is one of the wellknown solutions. In this paper the reference compensating currents are generated using P-Q theory. The DC link capacitor voltage control is done using Fuzzy tuned Proportional Resonant (PR) controller. The capacitor plays the role of energy source element so its voltage control is a vital part in this scheme. The inverter used for SAPF is of Neutral Point Clamped (NPC) Multilevel Inverter which in turn reduces the dv/dt stress on the devices and they can be operated with lower switching frequency resulting in lower switching losses. The Total Harmonic Distortion (THD) obtained in this scheme is smaller than those obtained with other different controlling techniques available. The simulation results are analysed and justified which shows the usefulness of this strategy.
机译：配电系统的最新趋势表明，非线性负载和设备的使用将在未来几天内呈上升趋势。这会在源极侧电流中引入谐波，从而降低电源质量。电力公司非常关心这种情况。并联有源功率滤波器（SAPF）的使用是众所周知的解决方案之一。在本文中，参考补偿电流是使用P-Q理论生成的。直流母线电容器电压控制使用模糊调谐比例谐振（PR）控制器完成。电容器起着能量源元件的作用，因此其电压控制在该方案中至关重要。用于SAPF的逆变器是中性点钳位（NPC）多电平逆变器，这又降低了器件上的dv / dt应力，并且它们可以以较低的开关频率工作，从而降低了开关损耗。在该方案中获得的总谐波失真（THD）小于使用其他可用的其他控制技术获得的总谐波失真。仿真结果经过分析和验证，证明了该策略的有效性。

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