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首页> 外文期刊>International Journal of Electrical Power & Energy Systems >Model-based control design of a TCSC-compensated power system
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Model-based control design of a TCSC-compensated power system

机译：TCSC补偿电力系统的基于模型的控制设计

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摘要

The characteristic of a thyristor-controlled series compensator (TCSC) is usually defined by the overall reactance of the device versus the firing angle of the TCR that is connected in parallel with a fixed capacitor. This characteristic is nonlinear in nature. Most of the TCSC control systems employed in practical use a conventional type controller to obtain the reactance order. This reactance order is converted into the corresponding firing angle of the TCR through a look-up table. However, in most cases, this controller is designed heuristically and there is no guarantee that such a control law will provide a global stability. In this paper, the characteristic of this device is used to obtain a linear, discrete-time state space model of a TCSC-compensated transmission line. This model is derived in the d-q axis domain. Three different controllers are designed based on this model, two of which are used for regulation and one for power tracking. The model and the controllers are validated through digital computer simulation studies.
机译：晶闸管控制的串联补偿器（TCSC）的特性通常由器件的总电抗与与固定电容器并联连接的TCR的触发角决定。该特性本质上是非线性的。实际使用的大多数TCSC控制系统都使用常规类型的控制器来获得电抗阶数。通过查找表将该电抗顺序转换为TCR的相应触发角。但是，在大多数情况下，此控制器是启发式设计的，因此不能保证这种控制律将提供全局稳定性。在本文中，该器件的特性用于获得TCSC补偿传输线的线性离散时间状态空间模型。该模型是在d-q轴域中得出的。基于此模型设计了三种不同的控制器，其中两种用于调节，一种用于功率跟踪。通过数字计算机仿真研究对模型和控制器进行了验证。

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