| 有功型PSS抑制低频振荡机理及反调特性 |
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| 引用本文： | 张仰飞,袁越,陈小虎,查卫华. 有功型PSS抑制低频振荡机理及反调特性[J]. 电力系统保护与控制, 2010, 38(3): 77-80,109 |
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| 作者姓名： | 张仰飞 袁越 陈小虎 查卫华 |
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| 作者单位： | 1. 河海大学电气工程学院,江苏 南京 210024； 2.南京工程学院电力工程学院,江苏 南京 211167;3.核电秦山联营有限公司，浙江 海盐 314300 |
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| 摘 要： | 介绍了MEC5220型励磁调节器的原理及系统产生低频振荡的原因，分析了励磁调节器的阻尼特性。通过对有功型电力系统稳定器（PSS）的研究发现，PSS虽能抑制振荡，但有功型PSS使用的前提是机械功率变化相对电气功率变化近似不变，当调节发电机原动机出力时， PSS得到的信号远大于需要的信号，就会造成励磁电压和无功功率大幅变化，即反调。通过实例证实了有功型PSS反调特性，并提出了防止其危害的对策。
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| 关 键 词： | PSS 低频振荡 反调 有功功率 无功功率 |
Mechanism of active-power PSS low-frequency oscillation suppression and characteristic of anti-regulation |
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| ZHANG Yang-fei,,YUAN Yue,CHEN Xiao-hu,ZHA Wei-hua. Mechanism of active-power PSS low-frequency oscillation suppression and characteristic of anti-regulation[J]. Power System Protection and Control, 2010, 38(3): 77-80,109 |
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| Authors: | ZHANG Yang-fei YUAN Yue CHEN Xiao-hu ZHA Wei-hua |
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| Affiliation: | 1.Hohai University;Nanjing 210024;China;2. Nanjing Institute of Technology;Nanjing 211167;3. Nuclear Power Qinshan Joint Venture Co.;Ltd;Haiyan 314300;China |
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| Abstract: | This paper introduces the principle of MEC5220-type exciter regulator,elaborates the reasons of producing low-frequency oscillation in system,and describes the damping characteristics of excitation regulator. By studying the active-type power system stabilizer (PSS),it finds that although PSS can inhibit the oscillations,the merit-based PSS is used on the premise that mechanical power changes much slower than the electrical power changes. When the adjustment is made in generating the original motivation,sig... |
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| Keywords: | PSS low-frequency oscillation anti-regulation active power reactive power |
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