| 调速器附加控制对孤立电网频率稳定的作用 |
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| 引用本文： | 陈翔,刘天琪,孟宪影,侯王宾,李兴源. 调速器附加控制对孤立电网频率稳定的作用[J]. 华东电力, 2012, 0(2): 233-237 |
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| 作者姓名： | 陈翔 刘天琪 孟宪影 侯王宾 李兴源 |
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| 作者单位： | 四川大学电气信息学院;济南供电公司 |
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| 基金项目： | 国家自然科学基金项目(51037003);国家高技术研究发展计划项目~~ |
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| 摘 要： | 单纯的频率反馈控制无法及时进行功率平衡,易使系统频率发生较大偏移和振荡;功频电液调速器虽然能够对功率进行控制,但对一次调频却有反作用。针对上述问题介绍了调速附加控制,将功率偏差作为反馈量,设计了包括比例式、最优PID式、模糊式3种附加控制器,通过孤立电网的仿真验证了这3种调速附加控制在孤网中的效果。
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| 关 键 词： | 频率 调速器 附加控制 孤立电网 模糊控制 |
Impact of Speed Governor Additional Control on Isolated Grid Frequency Stability |
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| CHEN Xiang,LIU Tian-qi,MENG Xian-ying,HOU Wang-bin,LI Xing-yuan. Impact of Speed Governor Additional Control on Isolated Grid Frequency Stability[J]. East China Electric Power, 2012, 0(2): 233-237 |
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| Authors: | CHEN Xiang LIU Tian-qi MENG Xian-ying HOU Wang-bin LI Xing-yuan |
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| Affiliation: | 1 (1.School of Electrical Engineering and Information,Sichuan University,Chengdu 610065,China;2.Jinan Power Supply Company,Jinan 250001,China) |
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| Abstract: | Simple frequency feedback control is unable to balance the power,leaving the system frequency vulnerable to large offset and surging.Although power-frequency electric-hydraulic governor can control the power,it has adverse effect on primary frequency modulation.Therefore,this paper introduces the additional control of speed governor: with power deviation as feedback,three additional controllers have been designed — the proportion type,optimal PID type,and fuzzy type.An isolated grid simulation verifies the effect of the three types of additional speed control on the isolated grid. |
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| Keywords: | frequency speed governor additional control isolated grid fuzzy control |
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