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检索条件"机构=State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments"
704 条 记 录,以下是531-540 订阅
Study on travelling-wave protection starting element
Study on travelling-wave protection starting element
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2011 International Conference on Advanced power System Automation and Protection, APAP 2011
作者: Ren, Li Shi, ShenXing Wang, ShiYong Luo, ShuXin Dong XingZhou Status Key Lab. of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Haidian District Beijing 100084 China
Travelling-wave starting element is an integral part of the ultra high-speed protection. Existing design method depends on engineering experience, low accuracy in travelling-wave signal recognition, easy to trip frequ... 详细信息
来源: 评论
Traveling waves based protection relaying of power lines
Traveling waves based protection relaying of power lines
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2011 International Conference on Advanced power System Automation and Protection, APAP 2011
作者: Shi, Shenxing Dong, Xinzhou Wang, Shiyong Status Key Lab. of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Haidian District Beijing 100084 China
With high speed data sampling technology development, fault generated high-frequency signals can be got, in which fault generated traveling waves reflects fault location, fault type and faulted equipment so on from di... 详细信息
来源: 评论
Design, simulation and analysis of the low stray inductance bus bar for voltage source inverters
Design, simulation and analysis of the low stray inductance ...
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2011 International Conference on Electrical Machines and systems, ICEMS 2011
作者: Yuan, Liqiang Yu, Hualong Wang, Xuesong Zhao, Zhengming State Key Laboratory of Control and Simulation of Power System and Generation Equipment Department of Electrical Engineering Tsinghua University Beijing 100084 China
Hard-switching technique under the high voltage and high current is one of main trends of high power inverters. Under this switching mode, the stray parameters of the commutating loops, especially the stray inductance... 详细信息
来源: 评论
A predictive DC voltage control scheme for back-to-back converters based on energy balance modeling
A predictive DC voltage control scheme for back-to-back conv...
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2011 International Conference on Electrical Machines and systems, ICEMS 2011
作者: Yin, Lu Zhao, Zhengming Lu, Ting He, Fanbo Yuan, Liqiang State Key Laboratory of Control and Simulation of Power System and Generation Equipment Department of Electrical Engineering Tsinghua University Beijing 100084 China
This paper presents a predictive control scheme of DC-link voltage for back-to-back converters based on energy balance modeling. Since the variation of DC-link voltage is affected by the energy mismatch between rectif... 详细信息
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Optimal design of the back-to-back IGBT-based converter with the concept of systematic safe operating area
Optimal design of the back-to-back IGBT-based converter with...
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2011 International Conference on Electrical Machines and systems, ICEMS 2011
作者: Zou, Gaoyu Zhao, Zhengming Yuan, Liqiang Wang, Xuesong Lu, Ting State Key Laboratory of Control and Simulation of Power System and Generation Equipment Department of Electrical Engineering Tsinghua University Beijing 100084 China
The key parameters of SOA (safe operating area) of semiconductor devices are hard to be measured when converter is operating, which is not helpful to protect converter at any time. On the other hand, surplus estimatin... 详细信息
来源: 评论
Research on surface electric field of parallel gap
Research on surface electric field of parallel gap
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2011 7th Asia-Pacific International Conference on Lightning, APL2011
作者: Yu, Junjie Yu, Zhanqing Zeng, Rong Chen, He Peng, Xiang State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Beijing 100084 China Maintenance and Test Center of EHV Power Transmission Company China Southern Power Grid Co. Ltd. Guangzhou 510663 China
With parallel gap, by controlling the motion path of the electric arc, effectively avoid burning and damaging the insulator during lightning strike so that the effect to reduce the accident rate of line is obvious. Be... 详细信息
来源: 评论
Test and Analysis of Conducted Disturbance Sources of the Truck Crane under Stable Conditions
Test and Analysis of Conducted Disturbance Sources of the Tr...
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International Symposium on Electromagnetic Compatibility
作者: Li Xiao Zhanqing Yu Shuiming Chen Bo Zhang Rong Zeng Chijie Zhuang Yang Zeng Xiaoying Yu Qian Zhang State Key Lab of Control and Simulation of Power Systems and Generation Equipment Department of Electrical Engineering Tsinghua University Research Institute Zoomlion Heavy Industry Science & Technology Development Co. Ltd.
The Electromagnetic Compatibility (EMC) is a major issue for the truck crane designing, due to the large dimension. The conducted disturbance sources of truck crane was measured under stable conditions, the time domai... 详细信息
来源: 评论
Design of IEC 61970 based information exchange model for coordinated automatic voltage control among multi control centers
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Dianwang Jishu/power System Technology 2011年 第3期35卷 205-210页
作者: Wang, Bin Guo, Qinglai Sun, Hongbin Zhang, Boming Wu, Wenchuan State Key Lab of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Haidian District Beijing 100084 China
Standardization is the development tendency of information exchange among control centers. Based on the standard in IEC 61970, an information exchange model suitable for coordinated automatic voltage control (CAVC) am... 详细信息
来源: 评论
Zero impedance branch based substation three-phase nonlinear state estimation method
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Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering 2011年 第25期31卷 73-80页
作者: Li, Qingxin Sun, Hongbin Wang, Jing Zhang, Boming Wu, Wenchuan Guo, Qinglai State Key Lab of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Haidian District Beijing 100084 China
A substation three-phase nonlinear state estimation method based on zero impedance branches is presented in order to eliminate topology and analogy errors at substation level and accordingly enhance the control center... 详细信息
来源: 评论
Research on impulse discharge characteristics of parallel gap
Research on impulse discharge characteristics of parallel ga...
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2011 7th Asia-Pacific International Conference on Lightning, APL2011
作者: Chen, He Peng, Xiang Yu, Zhanqing Yu, Junjie Zeng, Rong Maintenance and Test Center of EHV Power Transmission Company China Southern Power Grid Co. Ltd. Guangzhou 510663 China State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments Dept. of Electrical Engineering Tsinghua University Beijing 100084 China
With parallel gap, by controlling the motion path of the electric arc, effectively avoid burning and damaging the insulator during lightning strike so that its importance in measures of lightning protection for transm... 详细信息
来源: 评论