基于Hamilton函数方法的多机多负荷电力系统分散励磁控制

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Decentralized Excitation Control of Multi-machine Multi-load Power Systems Using Hamiltonian Function Method

1.
School of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, P.R. China;
2.
Department of Automation, Tsinghua University, Beijing 100084, P.R. China;
3.
Key Laboratory of Informationed Electric Apparatus in Henan State, Zhengzhou 450002, P.R. China;
4.
School of Control Science and Engineering, Shandong University, Jinan 250061, P.R. China

摘要: 采用Hamilton函数方法研究了多机多负荷电力系统的励磁控制问题. 首先, 通过预置状态反馈完成了系统的耗散Hamilton实现. 然后, 基于该耗散实现形式设计了非线性分散励磁控制器, 分析了闭环系统的稳定性. 该控制器能充分利用系统内在的功率平衡特性. 仿真结果验证了控制策略的有效性.
- 非线性微分代数系统 /
- 多机多负荷电力系统 /
- 耗散Hamilton实现 /
- 分散镇定
Abstract: Using the Hamiltonian function method, we investigate the excitation control of multi-machine multi-load power systems presented by nonlinear differential algebraic equations. First, the power system is reformulated as a novel Hamiltonian realization structure via pre-feedback state control. Then, based on the dissipative Hamiltonian realization of the system, a decentralized nonlinear excitation control scheme is constructed. The stability of the closed loop system is analyzed as well. The proposed strategy takes advantage of the intrinsic properties especially including the internal power balance of the power system. Simulation illustrates the effectiveness of the control strategy.
- Nonlinear differential algebraic systems /
- multi-machine multi-load power systems /
- dissipative Hamiltonian realization /
- decentralized stabilization