A Novel Approach of Reactive Power and Voltage Control in Grid Connected Wind Farms Using STATCOM

2018 International Conference on Innovations in Science, Engineering and Technology (ICISET) Pub Date : 2018-10-01 DOI:10.1109/ICISET.2018.8745648

M. Faisal, Md. Redawanul Karim, Md. Jillur. Rahman, Sk. Md. Golam Mostafa, Md. Shahid Ullah

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Abstract

This paper presents a novel control scheme of reactive power and voltage to a grid-connected wind farms. Firstly, a simple wind farm model consisting of a squirrel-cage induction generator (SCIG) is developed in MATLAB/ Simulink environment. The Voltage controller operates by compensating the reactive power output of the wind farms and regulating the desired per unit value of output voltage across the Load. STATCOM is a flexible, dynamic and easy to implement, and used as a compensation device in this research. The test model of 575V, 60 Hz STATCOM is connected with a step down transformer, an inverter and a controller was designed to control the output voltage and reactive power. Three fixed speed parallel wind turbines constitutes the wind farm which is connected to the 25 kV grid. STATCOM is connected with the transmission line with a primary & secondary Load connected in parallel. The direct quadrature reference frame transformation and PWM generator is also implemented in this model.

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基于STATCOM的并网风电场无功电压控制新方法

提出了一种新的并网风电场无功电压控制方案。首先，在MATLAB/ Simulink环境下建立了一个由鼠笼式感应发电机(SCIG)组成的简单风电场模型。电压控制器通过补偿风电场输出的无功功率和调节负载上输出电压的单位值来运行。STATCOM是一种灵活、动态、易于实现的补偿装置。试验模型为575V, 60hz的STATCOM，连接降压变压器、逆变器和控制器来控制输出电压和无功功率。三个固定速度并联风力涡轮机构成风电场，并连接到25千伏电网。STATCOM与传输线连接，主、次负载并联连接。该模型还实现了直接正交参考系变换和PWM发生器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 International Conference on Innovations in Science, Engineering and Technology (ICISET)

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