Comprehensive solving method for the fitting of electromagnetic PT excitation characteristic
Cong, Wei, Sun, Yun, Lu, Qing-Dong, Ha, Heng-Xu
Published in Dianli Xitong Baohu yu Kongzhi (16.06.2013)
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Published in Dianli Xitong Baohu yu Kongzhi (16.06.2013)
Journal Article
Single-ended transient-based protection for EHV transmission lines basic theory
Duan, Jian-Dong, Zhang, Bao-Hui, Ren, Jin-Feng, Luo, Si-Bei, Ha, Heng-Xu, Zhou, Yi
Published in Zhōnggúo diànjī gōngchéng xúebào (05.01.2007)
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Published in Zhōnggúo diànjī gōngchéng xúebào (05.01.2007)
Journal Article
Application of the equal area rule in ferroresonance analysis
Du, Zheng-Wang, Zhou, Hai-Quan, Ha, Heng-Xu, Hu, Xi-Tong, Zhong, Chong-Shan
Published in Dianli Xitong Baohu yu Kongzhi (01.04.2011)
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Published in Dianli Xitong Baohu yu Kongzhi (01.04.2011)
Journal Article
Study on the key issues of transformer protection based on magnetism-chain balance equation
Zhang, Zhi-Qiang, Ha, Heng-Xu, Tan, Yu-Zhen
Published in Dianli Xitong Baohu yu Kongzhi (16.07.2009)
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Published in Dianli Xitong Baohu yu Kongzhi (16.07.2009)
Journal Article
Improved Method for the Fitting of Excitation Curve for Voltage Transformer
Ha Heng-xu, Zhai Lei, Bo Zhi-qian
Published in 2010 Asia-Pacific Power and Energy Engineering Conference (01.03.2010)
Published in 2010 Asia-Pacific Power and Energy Engineering Conference (01.03.2010)
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Conference Proceeding
The application of the Equal Area Criterion in ferroresonance
Ha Heng-xu, Zhou Hai-quan, Hu Xi-tong
Published in 2010 International Conference on Power System Technology (01.10.2010)
Published in 2010 International Conference on Power System Technology (01.10.2010)
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Conference Proceeding
A Novel Transient Differential Protection Based on Projection Transform Model
Tan Yu-zhen, Ha Heng-xu, Bo, Z Q
Published in 2010 Asia-Pacific Power and Energy Engineering Conference (01.03.2010)
Published in 2010 Asia-Pacific Power and Energy Engineering Conference (01.03.2010)
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Conference Proceeding
Novel transient differential protection based on distributed parameters for EHV transmission lines
Heng Xu Ha, Zhi Qiang Zhang, Yu Zhen Tan, Zhi Qian Bo, Bo Chen
Published in IET 9th International Conference on Developments in Power Systems Protection (DPSP 2008) (2008)
Published in IET 9th International Conference on Developments in Power Systems Protection (DPSP 2008) (2008)
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Conference Proceeding
Boundary Protection, A New Concept for Extra High Voltage Transmission Lines --- Part II: Discriminative Criterions and Simulations
Zhang Bao-hui, Duan Jian-dong, Ha Heng-xu, Bo Zhi-qian
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
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Conference Proceeding
Boundary Protection, A New Concept for Extra High Voltage Transmission Lines --- Part I: Spectrum Analysis of Fault Induced Transients
Zhang Bao-hui, Ha Heng-xu, Duan Jian-dong, Bo Zhi-qian
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
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Conference Proceeding
A Novel Phaselet Based Fast Distance Relay
Ha Heng-xu, Zhang Zheng-tuan, Zhang Bao-hui, Duan Jian-dong
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
Published in 2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific (2005)
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Conference Proceeding
Novel algorithm of variable-window Fourier transform based high-speed distance relay for EHV transmission lines
Ha Heng-xu, Zhang Bao-hui, Yuan Wen-guang, Li Wei-shuo
Published in 2004 International Conference on Power System Technology, 2004. PowerCon 2004 (2004)
Published in 2004 International Conference on Power System Technology, 2004. PowerCon 2004 (2004)
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Conference Proceeding