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首页> 外文会议>2012 International Conference on Computer Communication and Informatics >Power quality improvement using Neural Network controller based cascaded H-Bridge multilevel inverter type D-STATCOM
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Power quality improvement using Neural Network controller based cascaded H-Bridge multilevel inverter type D-STATCOM

机译：使用基于神经网络控制器的级联H桥多电平逆变器D-STATCOM改善电能质量

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The present loads are designed with modern semiconductor devices. These semiconductor devices are less sensitive to voltage fluctuations but are vulnerable to damage. Hence these sensitive loads need to be protected by suitable compensating devices; owing to this power quality (PQ) and its study have gained much attention of the researchers especially in developing countries like India. DSTATCOM is one such power conditioner used for improving PQ. This study proposes a cascaded multilevel inverter type DSTATCOM to compensate voltage sags in utilities in power distribution network. The proposed DSTATCOM is implemented using multilevel topology with isolated dc energy storage. The phase shifted PWM technique is described to generate firing pulses to cascaded inverter. The proposed Neural Network controller adopts itself to the sag and provides effective means of mitigating the voltage sags with the minimum harmonics at the utility end. The proposed concept is simulated using MATLAB / SIMULINK.
机译：当前的负载是用现代半导体器件设计的。这些半导体器件对电压波动较不敏感，但易于损坏。因此，这些敏感负载需要通过合适的补偿装置来保护；由于这种电能质量（PQ）及其研究，引起了研究人员的广泛关注，尤其是在印度等发展中国家。 DSTATCOM是一种用于改善PQ的功率调节器。本研究提出了一种级联的多级逆变器DSTATCOM，以补偿配电网络中公用事业部门的电压突降。拟议的DSTATCOM使用具有隔离式直流能量存储的多级拓扑来实现。描述了相移PWM技术以生成触发脉冲以级联逆变器。所提出的神经网络控制器将其自身应用于突降并提供有效的方法，以在公用事业端减轻具有最小谐波的电压突降。提出的概念使用MATLAB / SIMULINK进行仿真。

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