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首页> 外文期刊>IEEE Transactions on Automatic Control >Robust decentralized control for multimachine power systems
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Robust decentralized control for multimachine power systems

机译：多机动力系统的强大分散控制

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In this paper, a new robust linear decentralized controller is proposed to enhance the transient stability of nonlinear multimachine power systems. Only local measurements are required in the proposed controller. The feedback gain of eachgenerator is obtained by solving an algebraic Riccati equation based on the bounds of the machine parameters. The stability analysis shows that the decentralized controller can guarantee the system stability over the whole operating region and regardlessof fault locations or parameter uncertainties of the transmission network. Compared with nonlinear controllers, linear controllers are of simpler structure and easier to be implemented. A three-machine power system is considered as an application example. Simulation results show that despite the interconnections between different generators, nonlinearities in the system, different operating points, and different fault locations, the proposed robust decentralized controller can greatly enhance power systemtransient stability.
机译：该文提出一种新的鲁棒线性分散控制器，以增强非线性多机电源系统的瞬态稳定性。在建议的控制器中只需要进行局部测量。每个发电机的反馈增益是通过求解基于机器参数边界的代数 Riccati 方程获得的。稳定性分析表明，分散式控制器可以保证整个工作区域的系统稳定性，而不受输电网故障位置或参数不确定性的影响。与非线性控制器相比，线性控制器结构更简单，更易于实现。以三机动力系统为例。仿真结果表明，尽管不同发电机之间存在互联互通、系统间存在非线性、不同工作点、不同故障位置等问题，但所提鲁棒分散式控制器能够大大增强电力系统的瞬态稳定性。

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