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| 利用直流功率调制增强特高压交流互联系统稳定性 | |
| 引用本文： | 张步涵,陈龙,李皇,李小平,周友斌,黄涌,曾杰,毛承雄.利用直流功率调制增强特高压交流互联系统稳定性[J].高电压技术,2010,36(1):116-121. |
| 作者姓名： | 张步涵 陈龙 李皇 李小平 周友斌 黄涌 曾杰 毛承雄 |
| 作者单位： | 1. 华中科技大学电力安全与高效湖北省重点实验室,武汉,430074 2. 湖北电力调度中心,武汉,430077 3. 湖北省电力试验研究院,武汉,430077 4. 华中电网有限公司技术中心,武汉,430077 |
| 摘 要： | 特高压交流试验示范工程投运后显著地增强了华中、华北两大电网之间的电力交换能力,但特高压系统的大功率传输也对华中、华北电网联网安全稳定运行提出了更高的要求。利用直流输电系统传输功率的快速可控性,可以为暂态过程中的交流互联系统提供紧急调控手段,起到功率支援和阻尼振荡的作用。为此,对利用华中电网的直流输电系统进行紧急功率支援以提高交流互联系统暂态稳定性以及采用直流调制阻尼特高压线路功率振荡进行了研究。仿真结果表明,利用直流输电系统的紧急调控手段可以减少华中电网的切机切负荷量,增强特高压互联系统的暂态稳定性,并可提高交流系统阻尼,有效地抑制电网区域间的功率振荡。 |
| 关 键 词： | 特高压交流互联系统 暂态稳定 功率振荡 高压直流输电 直流紧急功率支援 直流调制控制 |
Improving the Stability of UHV AC Interconnected System by the DC Power Modulation |
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| ZHANG Bu-han , CHEN Long , LI Huang , LI Xiao-ping , ZHOU You-bin , HUANG Yong , ZENG Jie , MAO Cheng-xiong.Improving the Stability of UHV AC Interconnected System by the DC Power Modulation[J].High Voltage Engineering,2010,36(1):116-121. | |
| Authors: | ZHANG Bu-han CHEN Long LI Huang LI Xiao-ping ZHOU You-bin HUANG Yong ZENG Jie MAO Cheng-xiong |
| Affiliation: | 1.Hubei Electric Power Security and High Efficiency Key Lab;Huazhong University of Science and Technology;Wuhan 430074;China;2.Hubei Electric Power Dispatch and Telecommunication Bureau;Wuhan 430077;3.Hubei Electric Power Testing & Research Institute;4.Technology Center;Central China Grid Company;Limited;China |
| Abstract: | The capacity of power exchange between North China and Central China Grid is greatly strengthened after UHV is put into operation,and the great power transmitted by the UHV requires the higher level of security and stability in the Central China and North China interconnected power system.The rapid control of HVDC systems in the Central China Grid can be used as an emergency control measure in the transient process of AC power system for emergency power support and damping the oscillation.The feasibility of... |
| Keywords: | UHV AC interconnected system stability of power systems power oscillation HVDC emergency DC power support DC modulation control |
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