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WU Haoting，LIN Song，XIAO Feng，KE Lingqiang
Abstract: The research of virtual machine in substation plays an important role in many fields. In view of thelow maintenance efficiency of virtual machine substation，a virtual machine substation maintenance system based on virtual reality（VR）technology was designed. Using VR technology，the three-dimensional operati...
更多Number of views：4296 Amount of downloads：12334
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DING Runchu，SHI Shuhuai，ZHUO Fang，WANG Feng
Abstract: The application of DC transmission and distribution network faces a variety of complex designscenarios，among which there are DC/DC conversion requirements with unipolar input and really bipolar output. The bipolar output of this application scenario can easily lead to unbalanced output voltage when the loa...
更多Number of views：4293 Amount of downloads：8507
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CAI Wenbin，CHENG Xiaolei，NAN Jianan，LÜ Haixia，LI Ye，LI Jingyu
Abstract: With the proposed goal of achieving double carbon in China，a higher proportion of new energy willbe connected to the grid in the future. An analysis method was proposed for assessing the adequacy of flexibilityresources of power system with a high proportion new energy. The adequacy index of proposed flexi...
更多Number of views：4276 Amount of downloads：9381
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CAOWei，GUI Shicheng，HUANG Ruanming，HE Bilun，QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system，the impedance ratio of thepower grid increased gradually，thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present，the periodic...
更多Number of views：4272 Amount of downloads：8049
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HUANG Jialing，LIN Shunfu，ZHAN Yinfeng，LIU Chitao，LI Dongdong
Abstract: Aiming to the non-intrusive load monitoring（NILM）of residential households，a method of loadprofile decomposition based on the appliance switching events and the long short-term memory networks（LSTM）was proposed. The difference-summation algorithm was performed on the total active power data of a residentia...
更多Number of views：4269 Amount of downloads：9346
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GUO Peijian，JI Shiqing，LIU Juan，HE Jinwei，BAI Yang，GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system，serious imbalances can occur in the three-phase power supply system，which restricts the development of highspeed，heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
更多Number of views：4265 Amount of downloads：9310
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ZHOU Wen，YANG Shaobo
Abstract: In the DC microgrid，bus voltage stability is the key to maintain the normal operation of the system.Load switching and distributed micro-source power fluctuations will affect the stability of the DC bus voltage. Tosolve the above problem，a compensation control strategy based on the residual generator was p...
更多Number of views：4247 Amount of downloads：8761
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LIU Huichen，LI Zhen，SU Weifeng，YUWEN Bo，LI Haitao，ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems，speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition，long cable increases the stator sideimpedance of the induction motor，especially the equivalent stator resistance by an order of magnit...
更多Number of views：4230 Amount of downloads：14376
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KONG Fanting，CHEN Jian，DI Meixian，FU Baoxin，WANG Jianquan
Abstract: Electric power system is becoming more and more power electronization with each passing day，additional losses of the power grid caused by the power quality problem is becoming more and more serious witheach passing day. Solving the power quality problem has become the new way to help the power grid to save...
更多Number of views：4221 Amount of downloads：15666
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SUN Kaiwen，GONG Shihua，CAI Junqiong
Abstract: Gantry is an important part of proton radiotherapy equipment. Its main features are its large mass，large size and large moment of inertia. It is necessary to ensure the smooth acceleration and deceleration and precise positioning of the gantry. In response to the positioning control requirements of the gan...
更多Number of views：4218 Amount of downloads：13888
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LIU Hong，XU Shihao，YANG Lingsheng
Abstract: The frequency division phenomenon of the wireless power transfer（WPT）circuit in the electricvehicle wireless charging system under the premise of the optimal load resistance was discussed．In the optimizedWPT circuit，by changing the value of the coupling coefficient（k） between the master and slave coils in ...
更多Number of views：4211 Amount of downloads：11317
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ZHANG Guoqiang，NIU Ben，YANG Hua，WANG Gaolin，XU Dianguo
Abstract: Maximum torque per ampere（MTPA）control is one of the important methods to improve theefficiency of sensorless drive system of permanent magnet synchronous motor（PMSM）. In the sensorless drivesystem，the traditional calculation method deduces the analytical solution of the optimal current vector angleaccordi...
更多Number of views：4208 Amount of downloads：17015
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：4196 Amount of downloads：14965
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ZHONG Jie ，YAN Xiaoxia，HU Hua，WANG Zhao，ZHU Bingxu
Abstract：The electrified railways system is a complex system of traction power supply system and traincoupling. In order to ensure the safe operation of trains under complex working conditions，it is necessary toidentify the disturbance of the vehicle-network coupling system in a timely and accurate manner. To solve ...
更多Number of views：4182 Amount of downloads：19627
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ZHANG Yi，CHANG Pengfei
Abstract: With the increasing penetration of large-scale wind and PV power within the power system，theywill inevitably participate in the load frequency contro（l LFC）. Since the power output of wind and PV is unstable，which would affect the power balance of grid，thus cause unstable frequency. A LFC method based on d...
更多Number of views：4176 Amount of downloads：8986
