-
WANG Zhifu，SUN Qingle，LI Haolong，WANG Xu，GUO Yifeng，LIANG Changchun，WANG Rui
Abstract: With the development of motor drive system of new energy vehicle and the increase in complexity and integration，testing of motor drive system has become an important part of vehicle development. But high-power motor drive testing is more difficult and has higher risks，especially for motor control system，tr...
更多Number of views：6897 Amount of downloads：10900
-
ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao
Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according ...
更多Number of views：4985 Amount of downloads：10872
-
WU Tong，LI Jian，LI Guodong，LIU Lu，ZHU Liguo，FENG Minshan
Abstract: There are many elderly people with limb disorder in China，and exercise rehabilitation technology isan effective means of rehabilitation treatment. However，the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
更多Number of views：2879 Amount of downloads：10856
-
YANG Guotao，HU Dongfang，ZHANG Jiaming，WEN Liqiang，TIAN Lisi
Abstract：Space vector pulse width modulation（SVPWM）strategy is one of the key technologies for threelevelinverters. However，conventional three-level SVPWM often experiences neutral point potential（NPP）oscillation and high switching loss when addressing the neutral point potential balancing issue. To tackle thischall...
更多Number of views：2359 Amount of downloads：10850
-
WANG Shanshan，NIU Ke，LI Hui
Abstract: In order to reduce the high cost of sampling circuits，simplify commutation procedure and improvethe conversion efficiency of the indirect matrix converter，a zero current commutation model predictive control（ZCC-MPC）strategy with the input voltage observation was proposed. The input voltage observer was des...
更多Number of views：5824 Amount of downloads：10813
-
TIAN Kai，LI Fengsheng，CHU Zilin，YU Zhibin，LI Teng，WANG Mingyue
Abstract: Aiming at the short circuit fault protection of medium voltage three-level converter with IGCT asthe core and the monitoring of changes in main circuit device parameters during operation，a method was proposed to simultaneously realize fault identification of IGCT three-level converter and monitoring of mai...
更多Number of views：3658 Amount of downloads：10810
-
WANG Yubo，AN Yang，QIU Shuming，GAO Zhuoxuan，SUN Furun
Abstract：Inverter products have been developing towards higher power density and more compact structure.To enhance the power density of inverter systems within a limited structural space，several prototypes need to bemade and a large number of experiments conducted during the research and development process. To shor...
更多Number of views：2992 Amount of downloads：10786
-
YOU Hao，SHI Hengchu，YANG Yuanhang，LI Yinyin，ZHU Qingcheng，XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages，AC/DC current signals with different input currents and high sampling rate，an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
更多Number of views：5201 Amount of downloads：10747
-
GAO Fengliang，HUANG Xiongfeng，FAN Hongxing，ZHANG Xuankun
Abstract: The failure rate of IGBT devices caused by excessively high temperature is as high as 55%.Improving the heat dissipation efficiency of the heat sink is the basis for ensuring the safe and reliable operation ofIGBT devices. Through theoretical analysis of IGBT module water cooling and heat dissipation，a tem...
更多Number of views：5802 Amount of downloads：10744
-
CUI Peng，YU Haisheng，MENG Xiangxiang，WANG Jiankun，SUN Yifei
Abstract：A backstepping error port-controlled Hamiltonian（EPH）controller based on a novel extended stateobserver（ESO）was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly，an extended state observer was used to obse...
更多Number of views：2871 Amount of downloads：10735
-
PANG Bo，MENG Jing，ZHANG Yang，TA Na，WANG Haibo，DU Jing
Abstract：The accurate identification of hidden danger for power utilization in low-voltage substations plays animportant role in improving the quality of power supply and reducing the risk of accidents.To improve the accuracyof identifying hidden danger in low-voltage substations，a low-voltage user hidden danger for...
更多Number of views：3249 Amount of downloads：10730
-
WAN Shaoqi，WANG Bo，GUAN Wenqing，CHEN Jingbo，LÜ Congxin，DONG Haiying
Abstract：The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control，which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
更多Number of views：2474 Amount of downloads：10707
-
LIU Yuqing，ZHANG Shijie，SHI Deyong
Abstract：Under the planned system，the fixed price makes it difficult to encourage hydropower to participatein regulation，and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing. Toencourage hydropower to participate in regulation through spot-price incentives and enrich its reve...
更多Number of views：2123 Amount of downloads：10658
-
WANG Mingyue，HE Yongpeng，YU Zhiqiang，ZHANG Zhonglei，YU Hongze
Abstract：Because of crystal oscillator error，inter-symbol interference and baseline drift in industrial opticalfiber communication，the optical fiber receiver has the problem of high error rate of data recovery. In long-distanceindustrial communication，the electrical level jitter of serial data at the receiver will i...
更多Number of views：2766 Amount of downloads：10586
-
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：3998 Amount of downloads：10575
