-
ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：827 Amount of downloads：867
-
LIU Fang，XU Yunyu，HE Guoqing，LI Guanghui，LIU Shiquan，LIU Wei
Abstract: With the increasing permeability of distributed generation，the grid becomes weaker and weaker. Itis very important to help the system achieve low voltage ride through（LVRT）when the grid voltage drops underweak grid. Aiming at a series of problems such as over-current，voltage collapse and system oscillation...
更多Number of views：969 Amount of downloads：867
-
MAYoujie，HE Xiaoyu，ZHOU Xuesong，ZHANG Chao
Abstract ：To solve the chaos problem of inverter in new energy generation system，a regulation scheme ofH-bridge inverter based on active disturbance rejection contro（l ADRC）was proposed. Aiming at the phenomenon of poor steady-state and dynamic characteristics of inverters in chaotic state，a discrete model of the in...
更多Number of views：1223 Amount of downloads：866
-
ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1250 Amount of downloads：860
-
DAI Hui，LIU Yuxiang，LI Guorun，WANG Jianyuan，LIU Jingwen，TAN Wanqi
Abstract：Three port converter（TPC）has the characteristics of high integration，high power density andsingle-stage conversion between ports，but at the same time，the energy flow is affected by the interaction ofmultiple variables. Model predictive control（MPC）was introduced to optimize the dynamic response of outputvol...
更多Number of views：962 Amount of downloads：858
-
LIU Tong，YIN Zhonggang，BAI Cong，YUAN Dongsheng
Abstract: In order to improve the position sensorless control performance of permanent magnet synchronouslinear motor（PMSLM），a position sensorless control method based on disturbance compensated flux observer（DCFO）was studied. This method treats the notch filter as a disturbance observer and combines it with a feedb...
更多Number of views：910 Amount of downloads：858
-
HU Dong，HU Jingtao，ZHANG Wentao，LÜ Feichun，WU Xu
Abstract: Photovoltaic（PV）power generation is an important power generation method to achieve the goal ofcarbon neutrality. During the grid connection of PV power generation system，due to the characteristics of inverterand the influence of nonlinear load，high-order harmonics are generated，the power quality of the po...
更多Number of views：922 Amount of downloads：857
-
ZENG Jiang，XIONG Taojun，XIE Baoping，ZHAO Benqiang，MA Haijie
Abstract: Aiming at the deficiency that the traditional active power filter（APF）can only control the localharmonic source，a harmonic active defense system（HADS）based on virtual harmonic resistance was proposed.The principle of harnessing harmonics in distribution network by HADS was analyzed，the HADS simulationmodel...
更多Number of views：1049 Amount of downloads：855
-
YAN Yulin，XIAYankun，LIU Liyou
Abstract: In order to achieve equal current, a constant current source should be used to drive the LEDs. Aconstant current source based on two output Cuk improved circuits was proposed. The circuit structure, workingmode and constant current principle were analyzed, and the voltage, current and power expressions wer...
更多Number of views：871 Amount of downloads：853
-
TAO Li，YANG Xiaxi，GU Jinhui，WEI Bingbing，ZHANG Lin，WANG Jianing
Abstract: Virtual power plant（VPP）can integrate distributed energy resource（DER）to participate in theoperation of power market and auxiliary service market，and provide management and auxiliary services fordistribution network and transmission network. Its operation and control have been widely concerned. Aiming at t...
更多Number of views：939 Amount of downloads：852
-
CHENG Shiwei，ZHAO Shiwei
Abstract: To cope with the increasing demands of the application of high step-up DC-DC conversion，such asthe absorption of renewable energy，electric vehicles and aerospace，a high step-up DC-DC converter based onthree-winding coupled inductor with low voltage stress was proposed by utilizing magnetic coupling technol...
更多Number of views：1031 Amount of downloads：851
-
LIU Zhongmin，ZHAO Danyang
Abstract: Non-invasive load monitoring monitors the working status of each electric equipment by installingan intelligent meter at the main power interface，aiming to collect and analyze users' power consumptioninformation in real time. According to different characteristics of household user load change in power...
更多Number of views：1075 Amount of downloads：847
-
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：832 Amount of downloads：837
-
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：970 Amount of downloads：834
-
LIU Lingshun，LI Yongheng，YAN Hongguang
Abstract: A nine-switch converter space vector pulse width modulation（SVPWM）algorithm was proposedbased on the dual Y shift 30° permanent magnet synchronous motor（PMSM）voltage vector. Compared with thebiggest four vectors of the twelve-switch converter SVPWM algorithm，the proposed algorithm not only reducesthree swi...
更多Number of views：985 Amount of downloads：832
