-
PAN Guangxu,GONG Chiyu,LI Xingyu,HU Jun,LI Yingjie,WANG Ruiqi
Abstract: As an essential part of power system design and operation scheduling,electric load forecasting istroubled by strong randomness and low accuracy. Moreover,the application of advanced forecasting algorithms isassociated with data management system,while the traditional data management system is very inconven...
更多
Number of views:3909 Amount of downloads:2919
-
ZHANG Yubo,LIU Xu,CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet(HESRFSPM)machine basedon eccentric pole was proposed. Under the condition of constant air gap area,the segmental rotor structure based on eccentric pole can reduce 2,4,10 radial air gap flux density space harmonic amplitudes by comparing ai...
更多
Number of views:3863 Amount of downloads:2914
-
YANGYifan,YIN Han,LU Zhiye,YU Xueying
Abstract: In order to solve the problems of large volume and short service life of the traditional electrolyticcapacitor frequency converter,the thin film capacitor was used to replace the electrolytic capacitor to constitute theAC-DC-AC frequency converter without electrolytic capacitor. Aiming at the problem of bu...
更多
Number of views:1586 Amount of downloads:2912
-
LÜ Chao,JIA Junqing,ZHOU Jia,WU Tianyu
Abstract: The rapid development of artificial intelligence algorithm and edge computing technology has laid afoundation for the development of a new type of over-voltage identification device of distribution network withhigher identification rate and stronger intelligence. A design method of hardware and software sy...
更多
Number of views:4225 Amount of downloads:2911
-
HE Kun,WANG Can,ZHANG Kan,CHEN Kaiping,ZHU Hanqin,FU Zhiyu,XU Lei
Abstract: In the case of asymmetric faults in high voltage direct current(HVDC) transmission system,modular multilevel converter-battery energy storage system(MMC-BESS)has a longer state of charge(SOC)balancing process,uneven allocation of resources,easy to occur over modulation and other security problems,anew SOC ...
更多
Number of views:2922 Amount of downloads:2909
-
SU Jichen
Abstract: Due to the low efficiency of data processing and high export delay of intelligent measurementequipment in substation engineering,the construction progress of substation engineering is slow. Therefore,the data batch export system of intelligent measurement equipment in substation engineering was designed. T...
更多
Number of views:4217 Amount of downloads:2909
-
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:1635 Amount of downloads:2908
-
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:969 Amount of downloads:2906
-
ZHANG Mao,CHENG Wenming,QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time,low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
更多
Number of views:3738 Amount of downloads:2905
-
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:2315 Amount of downloads:2904
-
YIN Aihui,REN Ang,WU Xiaowen,HOU Jianfeng,FAN Yulin
Abstract: When fast voltage control is used in a power factor corrector(PFC),ripples on the DC side can cause grid current harmonics. To solve this problem,a novel DC voltage nonlinear PI control strategy was proposed,which could reduce the harmonic content of fast voltage closed-loop in power factor corrector. Base...
更多
Number of views:4444 Amount of downloads:2899
-
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:1707 Amount of downloads:2897
-
LI Qi,CHEN Yihua,GUO Bin,ZHANG Deliang,GUO Shaoqing
Abstract: In order to solve the contradiction between the maximum consumption of new energy and thereserved power flow margin of operation section,a day-ahead coordination optimization method for complexcascaded power grid based on key section identification was proposed to achieve the orderly coordination among the...
更多
Number of views:4294 Amount of downloads:2896
-
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:1717 Amount of downloads:2888
-
LI Qinzhao,ZHAO Xuemin
Abstract: When the microgrid is operating in island mode,the cascaded H-bridge(CHB)converter as aninterface device may need to be configured with a non-sinusoidal reference wave of pulse width modulation(PWM)when implementing auxiliary functions such as negative sequence compensation. In order to avoid overmodulatio...
更多
Number of views:3548 Amount of downloads:2885