An approach to the damping of local modes of oscillations resulting from large hydraulic transients

Dobrijevic D.M.; Jankovic M.V.

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An approach to the damping of local modes of oscillations resulting from large hydraulic transients

机译：阻尼由大水力瞬变引起的局部振荡的方法

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A new method of damping of local modes of oscillations under large disturbance is presented in this paper. The digital governor controller is used. The controller operates in real time to improve the generating unit transients through the guide vane position and the runner blade position. The developed digital governor controller, whose control signals are adjusted using the on-line measurements, offers better damping effects for the generator oscillations under large disturbances than the conventional controller. Digital simulations of a hydroelectric power plant equipped with a low-head Kaplan turbine are performed and the comparisons between the digital governor control and the conventional governor control are presented. Simulation results show that the new controller offers better performances, than the conventional controller, when the system is subjected to large disturbances.

机译：提出了一种在大扰动下阻尼局部振荡模态的新方法。使用数字调速器控制器。控制器实时运行，以通过导向叶片位置和转轮叶片位置改善发电机组的瞬变。开发的数字调速器控制器的控制信号可通过在线测量进行调整，与传统控制器相比，它在较大干扰下可为发电机振荡提供更好的阻尼效果。对配备低水头Kaplan涡轮机的水力发电厂进行了数字仿真，并对数字调速器控制与常规调速器控制进行了比较。仿真结果表明，当系统受到较大干扰时，新控制器的性能要优于传统控制器。

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来源
《IEEE Transactions on Energy Conversion》 |1999年第3期|P.754-759|共6页
作者
Dobrijevic D.M.; Jankovic M.V.;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类电能学;能源与动力工程;
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An approach to the damping of local modes of oscillations resulting from large hydraulic transients

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