Relay 2009 Issue 14 Study on the key issues of transformer protection based on magnetism-chain balance equation

Study on the key issues of transformer protection based on magnetism-chain balance equation
ZHANG Zhi-qiang;HA Heng-xu;TAN Yu-zhen

..............page:1-5,9

Comprehensive assessment study of the power quality based on the time-varying weight
LIU Bing ;LI Qun-zhan;DONG Xiang

..............page:6-9

Reactive power optimization in power system based on multi-agent seeker optimization algorithm
DUAN Tao;CHEN Wei-rong;DAI Chao-hua;XU Ting;ZHANG Zhou

..............page:10-15

Distributed generation planning in distribution system based on modified particle swarm optimization algorithm
WANG Xing-wang;QIU Xiao-yan

..............page:16-20,40

Research and analysis of morphological filter's structure element selection principle
ZHAO Zhao;LIU Li-lin;ZHANG Cheng-xue;LI Hai-tao;WANG Jian-min

..............page:21-25,35

Power quality evaluation of new rural electrification on D-S evidential theory and AHP
YANG Li-xi;GUO Jian-yu;CHENG Jie

..............page:26-30

Analysis and implementation of GOOSE mechanism and its application in digital substation
SONG Li-jun;WANG Ruo-xing;DI Jun-feng;WU Shuang-hui;TANG Yun-long

..............page:31-35

Evaluating the flicker interference of fluctuating load
SHAO Zhen-guo;WU Dan-yue;LIN Yan

..............page:36-40

Short-term load forecasting based on wavelet transform and support vector machines
YE Chun-zheng;CHANG Xian-rong;GU Wei-guo

..............page:41-45

Application of UHV magnetic-valve controllable reactor based on auto-disturbance rejection floating point DSP
WANG Xiao-lei;WU Bi-rui;WU Bing-xin

..............page:46-50,54

Bus protection based on the GOOSE type network
WANG Rui ;WANG Zheng-tao;LI Hai-xing;CAO Li-lu

..............page:51-54

Research of Monte Carlo simulation for power system reliability assessment
MA Zhen-yu

..............page:55-58,67

Application of wavelet soft-threshold de-noising and GRNN in monthly load forecasting
LIU Xue-qin;WU Yao-hua;CUI Bao-hua

..............page:59-62,85

Reliability analysis of protection and control systems based on the effectiveness
ZHANG Liu-xi;FANG Xin-yan;NI Zhen-hua

..............page:63-67

A method of single-phase grounded feeder detection in indirectly earthed power system based on judging the change of zero-sequence current ratios
XU Mei;YANG Wen-rong;WU Shu-mei;WANG Zhu

..............page:68-71,92

Design of reactive power control for HVDC converter station
ZHANG Wang;HAO Jun-fang;CAO Sen;LI Yan-long

..............page:72-76

Realization of power grid double direction automatic backup power supply switching function based on stability control device platform
LI Xue-ming;QIN Wen-tao;XU Ming;LI De-sheng;LIU Xiang ;ZHANG Chang-yin

..............page:77-81

Spare power automatic switching based on IEC61850
LI Hai-xing;WANG Zheng-tao;WANG Rui ;CAO Li-lu

..............page:82-85

Study on inverse-time protection method based on thermal model of induction motor
ZHANG Qing-zhi;LI Xin-lei

..............page:86-89

A summary of contingency screening and ranking based on static voltage stability
XIAO Ling;LI Hua-qiang;WANG Hua-wei;TANG Guo-dong

..............page:129-134

Application and development of reinforcement learning theory in power systems
YU Tao ;ZHOU Bin;ZHEN Wei-guo

..............page:122-128

Analysis on mal-operation of UR T35/T60 transformer differential protection
FANG Yu-dong;YANG Tao;WU Chun-di

..............page:118-121

Discussion on microprocessor-based bus bar protection
SHU Yi-shi;MA Yong;YU Pei-jie

..............page:116-117,121

Laying of equipotential ground screen in power system
TANG Bao-feng;FAN Hui;HE Chun-guang;WANG Xiao-wei

..............page:112-115

Design and implementation of a AC incoming line for spare power automatic-switching device
LI Bo

..............page:109-111

Inspection and processing of several HF channel typical faults for 220 kV line
FU Ning-tao

..............page:105-108,111

Comparison between the application of Web Service and MMS in IEC61850
LI You-jun;XU Guang-hui;WANG Wen-long;HU Shao-qian;DAI Xiao-xiang

..............page:101-104

Study on energy saving potential assessment for Changan distribution network
LI Peng;ZHANG Yong-jun;TAN Wei-cong;YUAN Wen-gen

..............page:97-100,104

Discussion on forced outages of HVDC transmission system
ZHU Tao-xi;LI Juan;WANG Chao;CHEN Wei-hua

..............page:93-96,104

Measurement and research of the zero sequence impedance of the 500 kV transmission line
HU Zhong-hui;FU Zhong;YANG Dao-wen;ZHENG Shi-ling;LIU Zhen-shan

..............page:90-92