具有功率因数校正功能的STATCOM级联多电平逆变器

2011 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology (STUDENT) Pub Date : 2011-12-01 DOI:10.1109/STUDENT.2011.6089317

L. K. Haw, M. Dahidah, N. Mariun

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引用次数: 34

摘要

研究了基于载波脉宽调制(CB-PWM)技术控制的五电平级联逆变器STATCOM系统。在这项工作中，当RL负载以不同的滞后功率因数连接到电力系统时，控制STATCOM仅在共耦合点(PCC)提供无功补偿。直流链路电压平衡采用旋转开关方案，STATCOM主系统采用相角控制方案。本文提出了一种新的电流参考控制方法，并利用MATLAB SIMULINK软件包进行了仿真研究，验证了该方法在不同载荷条件下的有效性和理论预测。

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Cascaded multilevel inverter based STATCOM with power factor correction feature

The paper investigates the STATCOM system based on five-level cascaded inverter controlled using carrier-based pulse width modulation (CB-PWM) technique. In this work, the STATCOM is controlled to provide only the reactive power compensation at the point of common coupling (PCC) when an RL load is connected to the power system at different lagging power factors. The rotating switching scheme is employed for the DC link voltage balancing while the phase angle control scheme is used in the STATCOM main system. A new current reference control method is proposed in this work and the effectiveness and the theoretical prediction of the proposed approach for different loading conditions is validated through simulation studies using MATLAB SIMULINK software package.

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来源期刊

2011 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology (STUDENT)

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