-
CHEN Shaoxia,JIN Xinru,YAO Gang,ZHANG Jiajie,FAN Jia
Abstract:In recent years,with the increasing shortage of energy,the ship power system is transitioningtowards new energy upgrading. However,the uncertainty of new energy output has also brought new challenges tothe economic and safe operation of the system. Therefore,traditional ship energy management is no longerap...
更多
Number of views:1356 Amount of downloads:876
-
ZHAO Hao,LU Jinke,ZHU Yidi,ZHOU Ziniu,DU Weixi
Abstract:Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices,which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore,acc...
更多
Number of views:1242 Amount of downloads:873
-
YAO Yan,GAO Feilin,ZHOU Ziwang
Abstract: Aiming at the problems of increased network loss and node voltage deviation of the traditionaldistribution network after the distributed generations(DGs)is connected to the network,an optimization strategythat takes into account the reactive power output of DGs grid-connected inverter was proposed. Firstly...
更多
Number of views:1128 Amount of downloads:871
-
YUAN Minxin,YIN Zhonggang,LUO Peien,ZHANG Yanqing
Abstract: To address the problem of the long detection time of the current detection method during the opencircuit fault diagnosis of inverter insulated gate bipolar transistor(IGBT)of the permanent magnet synchronousmotor(PMSM)drive system,an error current polarity method based on model predictive current control(M...
更多
Number of views:1202 Amount of downloads:869
-
ZOU Jia,ZHANG Jianqiao,JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system(MRAS)method without speed sensor decreases after the speed load mutation in the low speedrange,a speed identification method based on the combination of back propagation(BP)double-layer artific...
更多
Number of views:999 Amount of downloads:869
-
YIN Zhenhuan
Abstract:Due to the advantages of faster dynamic performance and smaller torque ripple,high frequencypulse voltage injection(PSVI)is widely used in sensorless control of permanent magnet synchronous motor(PMSM)at low-speed range. Under low switching frequency,the dynamic and steady performance of thetraditional high...
更多
Number of views:918 Amount of downloads:868
-
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:723 Amount of downloads:868
-
LU Guijun,JIA Pengfei,WANG Yubo,LIU Jing,YU Shouquan
Abstract: Permanent magnet synchronous motors play an important role in industrial automation,automotive,aerospace,household appliances,and other fields due to their high efficiency,high power density,good torque performance,and ease of control. However,in the field of electrical transmission,it is not onlynecessary...
更多
Number of views:1158 Amount of downloads:863
-
XU Junyue,LIU Yi,GUI Jiae
Abstract: Aiming at the problems of three-phase load imbalance,power quality degradation and harmonicdispersion in current electronic power distribution system,a comprehensive power quality control scheme with fastdynamic response and small output harmonic was proposed,which includes comprehensive control mode andco...
更多
Number of views:903 Amount of downloads:863
-
LAI Guoqing,LAI Qun,LI Ming,FENG Chaokun
Abstract: In the application of renewable energy power generation,multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge c...
更多
Number of views:913 Amount of downloads:860
-
LIU Kai,LI Gang,WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility,a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated,and the optimal brakin...
更多
Number of views:1016 Amount of downloads:859
-
GUO Jiahao,YANG Xiong,FANG Xin,LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment,the detection efficiency ofthe traditional primary and secondary equipment testing method is very low,and it is no longer suitable for the new fusion switch equipment testing. In view of this,an integrated testing scheme for primary and s...
更多
Number of views:716 Amount of downloads:859
-
WANG Xuming,LUO Cheng,XIONG Zhi,YANG Kai,XU Zhijie,LI Yinbin
Abstract:In response to the complex working environment of pumped storage energy units,wheredisturbances such as temperature variations are prominent,and considering the insufficient control precision oftraditional vector control for brushless doubly-fed machine(BDFM),a study was conducted on a control strategybased...
更多
Number of views:1179 Amount of downloads:858
-
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:1088 Amount of downloads:858
-
ZHANG Junkun,LEI Ertao,JIN Li,MA Kai,XIA Chenyang,WANG Xirui
Abstract:The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor(IGBT)wide range of applications in the AC motor drive,inverter,switching power supply and newenergy industry. In the application process of IGBT,due to the complex and varied circuit topology and syste...
更多
Number of views:817 Amount of downloads:857