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检索条件"机构=Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under"
588 条 记 录,以下是361-370 订阅
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Research on PT Ferromagnetic Resonance Region and the controllable Damping
Research on PT Ferromagnetic Resonance Region and the Contro...
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power Tech Conference
作者: L. X. Zhou Z. D. Yin Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education North China Electric Power University Beijing China
In the neutral ungrounded system, potential transformer (PT) ferro-magnetic resonance is a kind of interior overvoltage which is frequently appears and creates most of the accidents. Whether the elimination measures a... 详细信息
来源: 评论
A Mathematic Model and its Iterative Algorithm on Obtaining Optimal Capacity of P-S Station
A Mathematic Model and its Iterative Algorithm on Obtaining ...
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2007 International power Engineering Conference (IPEC2007), vol.1
作者: Fang Cao Li-zi Zhang Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education North China Electric Power University Beijing China
With rising electricity loading in developing country, measuring capacity of pumped-storage station (P-S station) is becoming more critical. This paper tries to establish mathematic model on obtaining capacity of P-S ... 详细信息
来源: 评论
Hybrid Non-linear State Estimation with Voltage Phasor Measurements
Hybrid Non-linear State Estimation with Voltage Phasor Measu...
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IEEE General Meeting power& Energy Society
作者: Xiaohui Qin Tianshu Bi Qixun Yang Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education North China Electric Power University Beijing China
In this paper, a new method of hybrid non-linear state estimation with PMU is proposed. Firstly, the voltage phasor measurements are transformed into indirect equivalent branch current measurements, with which the con... 详细信息
来源: 评论
HV power equipment running state detection based on image processing and recognition
HV power equipment running state detection based on image pr...
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2006 International Conference on power system Technology, powerCON2006
作者: Shutao, Zhao Baoshu, Li Xiaohui, Zhu North China Electric Power University Baoding 071003 China Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education North China Electric Power University Baoding 071003 Hebei Province China North China Electric University
Aimed at the necessary on the automatic detection level in unattended substation, a new method which monitoring and diagnosis the high-voltage (HV) power equipment running state based on image processing is put forwar... 详细信息
来源: 评论
Fault Component Impedance Relay with Double Circular Characteristic
Fault Component Impedance Relay with Double Circular Charact...
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IEEE General Meeting power& Energy Society
作者: Shaofeng Huang Qiankuan Liu Huanzhang Liu Qixun Yang Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education North China Electric Power University Beijing China
Although the fault component impedance relay has many perfect performances, it is still restricted by high fault resistance. In order to improve its resistive tolerance and overcome unreliable operation, a new type re... 详细信息
来源: 评论
Phase-to-Phase Distance Relay Based on the Measured Impedance Trajectory
Phase-to-Phase Distance Relay Based on the Measured Impedanc...
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IEEE General Meeting power& Energy Society
作者: Huanzhang Liu Qiankuan Liu Shaofeng Huang Qixun Yang Huazhong Electric Power Dispatch and Communication Center Wuhan China Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education North China Electric Power University Beijing China Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education North China Electric Power University Beijing China
The measured impedance trajectory changing with fault resistance during multi-phase faults and the reasons that fault resistance may cause unwanted impedance relay operations in two-source systems were analyzed in thi... 详细信息
来源: 评论
Simulation validation strategy based on wide area measurement
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Dianli Xitong Zidonghua/Automation of Electric power systems 2007年 第18期31卷 11-15页
作者: Ma, Jin Sheng, Wenjin He, Renmu Yue, Chengyan Zhang, Jin Rhethanz, C. Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control North China Electric Power University Beijing 102206 China ABB China Research Center Beijing 100016 China
Digital simulation is the guiding tool in power system operation and control. Thus, its veracity directly affects both the security and economical operation of a power system. Since the wide area measurement system (W... 详细信息
来源: 评论
Study of image recognition used for unattended substation
Study of image recognition used for unattended substation
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2006 International Conference on power system Technology, powerCON2006
作者: Jun, Yang Xin, Ai Xiufang, Jia Yansong, Li Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education North China Electric Power University Deshengmenwaizhuxinzhuang Beijing 102206 China Electric Power Company of Jinzhou Engineering Technology Department Liaohe Petroleum Exploration Bureau Linghai City Liaoning Province 121209 China
It is a trend to construct unattended substation in power system *** paper systematically analyses the superiority and limitation of MATLAB and Visual C++ and illustrates how to compile m-files to cpp-files by MATLAB ... 详细信息
来源: 评论
Study on Transient Characteristics of Grid-connected Wind power Generators
Study on Transient Characteristics of Grid-connected Wind Po...
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2007 International power Engineering Conference (IPEC2007), vol.2
作者: Yan Zhang Li Lin Yihan Yang Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control Ministry of Education North China Electric Power University Beijing China
With rapid development of wind power generation, it's necessary to study the dynamic characteristics of wind power generators when a fault occurs in the grid to assure the safe and stable operation of the wind far... 详细信息
来源: 评论
Load Modeling Considering Distributed Generation
Load Modeling Considering Distributed Generation
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power Tech Conference
作者: Wang Jili He Renmu Ma Jin Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education North China Electric Power University Beijing China
Distributed generation is regarded as the developing direction of the power system in 21 century. Because distributed generation always connects with the distribution system, which has great influence on every aspects... 详细信息
来源: 评论