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| 1 | Traveling Wave Based Single-Phase-to-Ground Protection Method for Power Distribution System显示文摘Correct detection and identification of single-phase to-ground faults not effectively grounded in distribution systems is a major challenge for protection engineers.This paper proposes a novel traveling wave based protection method to solve this problem.The proposed method compares the polarities of current and voltage traveling waves measured immediately after the fault inception to determine the fault direction.Nuisance tripping is avoided by using the power frequency voltages detected on the busbar to inhibit operation.The power frequency voltages ensure that the system does not mal-operate due to noise and also provide discrimination for phase-to-phase and three-phase faults.The wavelet transform and modulus maxima theories are used to extract the polarity of traveling waves measured at the relaying point.The simulation studies demonstrate correct operation of protection,which is independent of fault distance,fault inception angle,fault path resistance,and the method used for neutral grounding. | Xinzhou Dong Jun Wang Shenxing Shi Bin Wang Bak Dominik Miles Redfern | 2015 | CSEE Journal of Power and Energy Systems2015，1，2： | 15 |
| 2 | Optimizing solution of fault location using single terminal quantities显示文摘This paper firstly evaluated the impedance method and traveling waves method for fault location, and studied the robustness of fault location method based on im-pedance. Then it proposed an assembled fault location method for a transmission line based on single-terminal electrical quantities, in which the fault zone was firstly determined by impedance method with robustness then the accurate fault position was pinpointed by traveling waves method. EMTP (Electromagnetic Transient Pro-gram) simulations showed that the proposed method can overcome the drawbacks of impedance method and traveling waves method when either one is used alone, and improve both the accuracy and the reliability of fault location. | DONG XinZhou SHI ShenXing CUI Tao LU Qiang | 2008 | Science China(Technological Sciences)2008，51，6： | 4 |
| 3 | Islanding detection based on asymmetric tripping of feeder circuit breaker in ungrounded power distribution system显示文摘An islanding detection method in ungrounded power distribution system based on single-phase operating mechanisms of the circuit breaker(CB)is proposed in this paper.When CB opens three phase circuits to form an island,one phase circuit is opened firstly and the other two phase circuits are opened secondly after certain duration.During the period when only one phase circuit is opened,negative sequence voltage with certain duration is obtained at DG side because of the asymmetric operation of the system.After all three phase circuits are opened,the voltage variation direction of the two phases that are secondly disconnected from the grid follows the voltage variation direction of the firstly disconnected phase.Based on the above voltage characteristics,an islanding detection scheme is proposed to identify genuine islanding from system disturbances.The performance of the proposed scheme is tested in PSCAD/EMTDC using a 10 kV distribution network with synchronous DG interconnection.Simulation results demonstrate the proposed method is effective and reliable to detect islanding formation. | Yuwei SHANG Shenxing SHI Xinzhou DONG | 2015 | Journal of Modern Power Systems and Clean Energy2015，3，4： | 4 |
| 4 | Analysis on the fault characteristics of three-phase short-circuit for half-wavelength AC transmission lines显示文摘Half-wavelength AC transmission(HWACT) is an ultra-long distance AC transmission technology, whose electrical distance is close to half-wavelength at the system power frequency. It is very important for the construction and operation of HWACT to analyze its fault features and corresponding protection technology. In this paper, the steady-state voltage and current characteristics of the bus bar and fault point and the steady-state overvoltage distribution along the line will be analyzed when a three-phase symmetrical short-circuit fault occurs on an HWACT line. On this basis, the threephase fault characteristics for longer transmission lines are also studied. | Xuankun Song Teng Feng Liu Han Travis MSmith Xinzhou Dong Wenxuan Liu Rui Zhang | 2018 | Global Energy Interconnection2018，1，2： | 2 |
| 5 | Novel directional comparison protection for distribution lines显示文摘For quickly clearing up a fault of distribution lines, which concerned with complex structure and operating modes, a directional comparison protection is necessary. The paper evaluated the traditional directional relay through modeling a typical distribution system and presented a novel negative sequence directional relay and a new directional comparison protection scheme specially designed for distribution systems. In the relay and the protection scheme, a particular negative sequence component has been constructed to solve the problem that there is no negative sequence component in a symmetrical fault case so that they could operate correctly in both asymmetrical fault and symmetrical fault. Extensive EMTP simulation studies proved that the protection schemes are able to provide fast and reliable responses for all fault conditions. In particular, they are able to give correct responses adapting to the change of system operation conditions, including the changing of system configuration, power flow direction, and source and tapped-offload conditions. | DONG XinZhou YUAN DingDing LU Qiang BO ZhiQian | 2008 | Science China(Technological Sciences)2008，51，4： | 2 |
| 6 | Identifying single phase to ground feeder in neutral non-effectively grounded distribution system using wavelet transform 显示文摘 | DONG Xinzhou SHI Shenxing | 2008 | IEEE Trans on Power Delivery2008，20，4： | 1 |
| 7 | Surge impedance relay显示文摘 | Dong Xinzhou Ge Yaozhong He Jiali | 2005 | IEEE Transactions on Power Delivery2005，20，2： | 1 |
| 8 | Voltage sag source location based on instantaneous energy detection显示文摘 | Kong Wei Dong Xinzhou Chen Zhe | 2008 | Electric Power Systems Research2008，78，3： | 1 |
| 9 | Investigation of anisotropic mechanisms in ultra-precision diamond machining of KDP crystal显示文摘 | Qingliang Zhao Yilong Wang Guang Yu Shen Dong Xinzhou Zhang | 2008 | Journal of Materials Processing Tech2008，，8： | 1 |
| 10 | Fault classification and faulted-phase selection based on the initial current traveling wave显示文摘 | DONG Xinzhou KONG Wei CUI Tao | 2009 | IEEE Transactions on Power Delivery2009，24，2： | 1 |
| 11 | Voltage sag sourcelocation based on instantaneous energy detection显示文摘 | Kong Wei Dong Xinzhou Chen Zhe | 2008 | Electric Power Systems Research2008，78，3： | 1 |
| 12 | Surge impedance relay显示文摘 | Dong Xinzhou Ge Yaozhong He Jiali | 2005 | IEEE Transactions on Power Delivery2005，20，2： | 1 |
| 13 | Hilbert- Transform-Based transient/intermittent earth fault detection in noneffectively grounded distribution systems显示文摘 | Cui Tao Dong Xinzhou Bo Zhiqian | 2011 | IEEE Transactions on Power Delivery2011，26，1： | 1 |
| 14 | Identifying single phase to ground fault feeder in neutral non-effectively grounded distribution system using wavelet transform显示文摘 | Dong Xinzhou Shi Shenxing | 2008 | IEEE Transactions on Power Delivery2008，23，4： | 1 |
| 15 | Surge impedance relay显示文摘 | Dong Xinzhou Ge Yaozhong He Jiali | 2005 | IEEE Transactions on Power Delivery2005，20，2： | 1 |
| 16 | A directional protection scheme for HVDC transmission lines based on reactive energy显示文摘 | LUO Shuxin DONG Xinzhou SHI Shenxing | 2016 | IEEE Traas on Power Delivery2016，31，2： | 1 |
| 17 | Fault classification and faulted-phase selection based on the initial current traveling wave显示文摘 | Dong Xinzhou Kong Wei Cui Tao | 2009 | IEEE Transactions on Power Delivery2009，24，2： | 1 |
| 18 | Voltage sag source location based on instantaneous energy detection显示文摘 | Kong Wei Dong Xinzhou Chen Zhe | 2008 | Electric Power System Research2008，78，： | 1 |
| 19 | Surge impedance relay显示文摘 | Dong Xinzhou Ge Yaozhong He Jiali | 2005 | IEEE Transactions on Power Delivery2005，20，2： | 1 |
| 20 | Optimizing solution of fault location显示文摘 | Dong Xinzhou Chen Zheng He Xuanzhou Wang Kehong Luo Chengmu | 2002 | Power Engineering Society Summer Meeting 2002 IEEE2002，3，2125： | 1 |
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