具有多性能指标的水轮机调速器非线性设计

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Abstract According to different structures of hydraulic systems combined with hydroturbine for hydropower plant, the 5 order nonlinear control model of hydro turbine speed governor system for hydraulic system composed of reservoir-tunnel-surge-penstock-generator units is established for first time. The hydro turbine speed governor system controller is designed by use of multi-index nonlinear control design method. The system zero and pole are configured by regulating the output function matrix. The simulation results demonstrate that the multi-index nonlinear control(MINC) design method has more excellent system performance than that of exact feedback linear(EFL) method, which can ensure the system stabilization and swiftly regulate the turbine speed error to zero, moreover, which possesses nicer rejection load disturbance performance. The hydro turbine speed governor system performance are enhanced by harmonizing the system dynamic and steady state performance using the method of regulating the output function matrix.

Key words： Hydro turbine speed governor system surge multi-index nonlinear control output function matrix

Received: 05 December 2011 Published: 27 June 2014

PACS:

TM312

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	Articles by authors
	Kong Fannie
	Li Xiaocong
	Wu Jiekang
	Li Gang

Cite this article:

Kong Fannie,Li Xiaocong,Wu Jiekang等. Multi-index Nonlinear Controller Design for Hydro Turbine Speed Governor[J]. Transactions of China Electrotechnical Society, 2014, 29(4): 229-236.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I4/229

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