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首页> 外文会议>International Conference on Electrical Machines and Systems >Modeling and design of matrix converter based unified power flow controller with implementation of complex vector synchronous frame PI current regulators
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Modeling and design of matrix converter based unified power flow controller with implementation of complex vector synchronous frame PI current regulators

机译：基于矩阵矢量变换器的统一潮流控制器的建模与设计，采用复矢量同步框架PI电流调节器

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As one of the most influential members of Flexible AC Transmission Systems (FACTS), UPFC is capable of both managing power flow and maintaining the stable performance of power systems. This paper firstly demonstrates the topology of a matrix converter based UPFC (MC-UPFC), which outweighs traditional UPFC in power losses, weight, and cost, for MC-UPDC possesses no capacitors in the DC link. Control strategies incorporating decoupling control and space vector modulation (SVM) are applied to control the nine bidirectional switches. However, transient performance in response to the power flow changes is limited due to the dependence of traditional PI current regulators on the synchronous frequency. In this paper, an alternative complex vector synchronous frame PI current regulator is analyzed and implemented in MC-UPFC. Furthermore, the system fault ride-through ability of this complex vector PI regulator-based control scheme is also investigated. This control strategy is validated by the simulation studies on Matlab/Simulink, thereby demonstrating an improved performance of power flow control in both transient and steady states.
机译：作为柔性交流输电系统（FACTS）最具影响力的成员之一，UPFC能够管理潮流并保持电力系统的稳定性能。本文首先演示了基于矩阵转换器的UPFC（MC-UPFC）的拓扑，该拓扑在功率损耗，重量和成本方面超过了传统的UPFC，因为MC-UPDC在直流链路中没有电容器。结合了解耦控制和空间矢量调制（SVM）的控制策略可用于控制9个双向开关。但是，由于传统PI电流调节器对同步频率的依赖性，响应功率变化的瞬态性能受到限制。在本文中，分析了一种可选的复矢量同步帧PI电流调节器，并在MC-UPFC中实现。此外，还研究了这种基于复杂矢量PI调节器的控制方案的系统故障穿越能力。通过在Matlab / Simulink上进行的仿真研究验证了该控制策略，从而证明了在瞬态和稳态下功率流控制的改进性能。

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