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首页> 外文期刊>Iranian Journal of Science and Technology, Transactions of Electrical Engineering >Topologies and Control Strategies Implicated in Dynamic Voltage Restorer (DVR) for Power Quality Improvement
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Topologies and Control Strategies Implicated in Dynamic Voltage Restorer (DVR) for Power Quality Improvement

机译:动态电压恢复器(DVR)中涉及的拓扑和控制策略可改善电能质量

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摘要

Controlled and improved power quality is one of the fundamental and essential needs in any industry driven by electric power for optimal exploitation of resources. However, in power quality, some crucial problems have been recognized as harmonic distortion, interruption, sag, swell and transient. Out of these, sag and swell are predominantly seen and cause stern impact on the electrical devices or machines and therefore require to be mitigated at an earliest to protect from any failure or mal-operation. As an ultimate key to crack these problems, some custom power devices such as distribution STATCOM (DSTATCOM), dynamic voltage restorer (DVR) and unified power quality conditioner are unanimously procured. A prominent custom power device DVR is apparently suggested in the literature for the mitigation of voltage sag and swells, with the benefit of active or/and reactive power control. The DVR is reported as being a high-performance solution to compensate voltage disturbances, since it provides both a cost-effective solution and very fast dynamics. In recent years, a bulk amount of the literature accounts for DVR on different configurations of its power circuit and various control techniques employed in it. This review article presents a detailed study on DVR with the different possible configurations of its power circuit and control techniques encircling major power quality issues. The informative object covered in the paper, articulate choice of control strategy and power circuit ensuring optimal recital of DVR in satisfying a required quality. This paper also furnishes the valued information for the investigator in this field.
机译:在电力驱动的任何行业中,控制和改善电能质量都是基本要求和根本要求之一,以实现资源的最佳利用。然而,在电能质量中,一些关键问题已被认识为谐波失真,中断,骤降,骤升和瞬变。在这些故障中,主要会出现下垂和膨胀现象,并对电气设备或机器产生严峻的影响,因此需要尽早减轻以防止任何故障或误操作。作为解决这些问题的最终关键,一致地采购了一些定制电源设备,例如配电STATCOM(DSTATCOM),动态电压恢复器(DVR)和统一电源质量调节器。文献中显然提出了一种杰出的定制电源设备DVR,以减轻电压骤降和骤升,并受益于有功或无功功率控制。据报道,DVR是补偿电压干扰的高性能解决方案,因为它既提供了经济高效的解决方案,又提供了非常快的动态性能。近年来,大量文献说明了DVR的电源电路的不同配置以及其中采用的各种控制技术。这篇综述文章对DVR进行了详细的研究,其DVR的电源电路和控制技术可能采用不同的配置,从而围绕了主要的电源质量问题。本文涵盖的信息对象,明确说明了控制策略和电源电路的选择,以确保DVR在满足要求的质量时具有最佳的演奏效果。本文还为该领域的研究人员提供了有价值的信息。

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