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TONG Xin，SONG Guobing，ZHANG Zhihua，WANG Junfeng，LEI Zhirong
Abstract: Due to the change of the ground parameters of the distribution network after the single-phasegrounding fault，the traditional active arc suppression method based on the ground parameters in the normaloperation state has a deviation between the compensation current reference value and the actual value. Incons...
更多Number of views：2365 Amount of downloads：8107
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WU Yihao，ZHAO Shiwei，ZHOU Jie，XIAO Chaoren
Abstract：In order to solve the problem of large peak-to-peak inductor currents in dual active bridge converterswith mismatched input and output voltages，a four-degree-of-freedom modulation（FDFM）strategy was proposedby combining symmetric duty cycle modulation and asymmetric duty cycle modulation. By analyzing the op...
更多Number of views：1713 Amount of downloads：8091
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ZHANG Hannian，ZHANG Tao
Abstract: The key of stable suspension of bearingless permanent magnet synchronous motor is the closed-loopcontrol of rotor radial position displacement. Usually，the high performance suspension operation of the motor relies on displacement sensor，which destroys the robustness of the motor structure and hinders the lo...
更多Number of views：6144 Amount of downloads：8081
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HUANG Guanglei，TIAN Qidong，LIN Zhixian，ZHENG Weinan，XU Te，LI Bingran
Abstract：Due to the extensive addition of new energy systems，the number and types of power qualitydisturbances in the system are also increased accordingly. However，the traditional power quality disturbance（PQD）classification method has the problem of low accuracy and efficiency，and it is difficult to adapt to theex...
更多Number of views：2258 Amount of downloads：8079
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ZHANG Pengcheng，TUSONGJIANG Kari，WANG Hailong，YILIHAMUYaermaimaiti，LU Haotan，RUAN Jiayang
Abstract: In order to improve the accuracy of automatic reading of tilted meter images，a novel algorithmbased on ORB and improved region growing method was presented. Firstly，the ORB algorithm was applied to detect the feature points of the target image and the template image，and the transformation matrix used to ac...
更多Number of views：2348 Amount of downloads：8074
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JING Weiwei，FU Hui，ZHENG Xian，LI Shuangwei，SHI Mingming，ZENG jiang
Abstract：With the accelerated construction of new power system，the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
更多Number of views：2413 Amount of downloads：8066
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ZHANG Hao，WANG Xuanyuan，NING Bo，LIU Zhen，LIUYa，HUANG Hongwei
Abstract: In order to improve the actual utility of power electricity package decision and avoid the default riskcaused by blind choice，the response stability of power users according to their purchase contract was studied ，apeak-valley power electricity package decision-making method considering response stability ...
更多Number of views：4579 Amount of downloads：8061
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：2312 Amount of downloads：8046
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CHEN Linghan，LU Jia
Abstract: As the hub node in the energy internet，the transformer can adjust and control power quality，thenormal and stable operation of transformer is of great significance to the safe and stable operation of the energyinternet. In order to accomplish this objective，status assessment of energy internet transformer b...
更多Number of views：3870 Amount of downloads：8042
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ZHANG Jinbo，YIN Yuan，SHI Jian，LIN Shaoyuan，YAN Lei，HUANG Xiaoyu， LIN Yubin，YANG Dishan，CHENG Nuo
Abstract: In order to reduce the measurement error of transmission line crossing distance and reduce theoccurrence rate of transmission line accidents，a method of transmission line crossing distance measurement basedon grid information model was proposed. The platform of crossing distance measurement including data ...
更多Number of views：4691 Amount of downloads：8040
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NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui
Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research ...
更多Number of views：2402 Amount of downloads：8038
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LIANG Biao，ZHANG Yiming，ZHANG Dong，LI Gen，WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China，thedevelopment of helicopter transient electromagnetic system（HTEM）has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
更多Number of views：3908 Amount of downloads：8036
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TAO Yan，WANG Chenqing，ZHENG Mingzhong，YUAN Yubo，KONG Xiangping，LIN Jinjiao
Abstract：With the rapid development of the society and economy and the accelerated construction of newpower systems，flexible interconnection has gradually become an important technical means for upgrading thestructure and enhancing the flexible regulation ability of distribution network. A power coordinated control ...
更多Number of views：2946 Amount of downloads：8020
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DING Zancheng，WANG Dajun，LI Wanxiang
Abstract: In view of the problem that the dangerous points in transmission lines affect the stability of powersystem，the technology of identifying and controlling the transmission line dangerous points based on multidimensional perception was studied，which can control the transmission line risk in time，reduce noise ...
更多Number of views：3914 Amount of downloads：8020
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LI Haoyuan，CHEN Guowei，LI Guanjun，WEI Lingfeng，LIN Da，WANG Xiangjin
Abstract：With the emergence of a large number of distributed power generations，various unbalanced andnonlinear loads are connected to the power grid，resulting in the distortion of the grid current，which brings adverse effects to both the power grid and electrical equipment. A multifunctional energy storage converter...
更多Number of views：2064 Amount of downloads：8007
