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Enhancement of Power Quality in Distribution System using D-Statcom

机译：使用D-Statcom的分配系统中电能质量的提高

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摘要

STATCOM (static synchronous compensator) as a shunt-link flexible AC transmission system (FACTS) controller has shown extensive feasibility in terms of cost-effectiveness in a wide range of problem solving abilities from transmission to distribution levels. Advances in power electronic technologies such as Voltage Source Converter (VSC) improves the reliability and functionality of power electronic based controllers hence resulting in increased applications of STATCOM. In this paper, design and implementation of a Distribution type, Voltage Source Converter (VSC) based static synchronous compensator (DSTATCOM) has been carried out. It presents the enhancement of power quality problems, such as voltage sag and swell using Distribution Static Compensator (D-STATCOM) in distribution system. The model is based on Sinusoidal Pulse Width Modulation (SPWM) technique. The control of the Voltage Source Converter (VSC) is done with the help of SPWM. The main focus of this paper is to compensate voltage sag and swell in a distribution system. To solve this problem custom power devices are used such as Fixed Compensators (FC, FR), Synchronous Condenser, SVC, SSSC, STATCOM etc. Among these devices Distribution STATCOM (DSTATCOM) is the most efficient and effective modern custom power device used in power distribution networks. DSTATCOM injects a current into the system to mitigate the voltage sag and swell. The work had been carried out in MATLAB environment using Simulink and SIM power system tool boxes. The proposed D-STATCOM model is very effective to enhance the power quality of an isolated distribution system feeding power to crucial equipment in remote areas. The simulations were performed and results were found to be satisfactory using MATLAB/SIMULINK.
机译：STATCOM（静态同步补偿器）作为分流链路灵活的AC传输系统（事实）控制器在各种问题求解能力中的成本效益方面已经显示出广泛的可行性，从传输到分配水平。电源转换器（VSC）等电力电子技术的进步提高了电力基于电子控制器的可靠性和功能，从而导致Statcom的增加。在本文中，已经执行了分布式电压源转换器（VSC）的静态同步补偿器（DSTATCOM）的设计和实现。它提高了电力质量问题的提高，如电压凹陷和膨胀使用分配系统中的分配静态补偿器（D-Statcom）。该模型基于正弦脉冲宽度调制（SPWM）技术。在SPWM的帮助下，电压源转换器（VSC）的控制。本文的主要重点是补偿分配系统中的电压下垂和膨胀。为了解决这个问题，使用定制功率器件，例如固定补偿器（FC，FR），同步电容器，SVC，SSSC，Statcom等。在这些设备中，STATCOM（DSTATCOM）是电源中最有效且有效的现代定制功率设备。分销网络。 DSTATCOM将电流注入系统中以减轻电压下垂和膨胀。使用Simulink和SIM电源系统工具盒在MATLAB环境中进行了该工作。所提出的D-Statcom模型非常有效，可以提高隔离分配系统的电力质量馈送到偏远地区的关键设备。进行了模拟，发现结果使用Matlab / Simulink令人满意。

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