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MA Zhousheng,YAO Yang
Abstract: A novel DC current-voltage droop control method was proposed for a hybrid high-voltage directcurrent(HVDC)system composed of a voltage source converter(VSC)and a line-commutated converter(LCC).The DC voltage droop control was used to reduce AC voltage fluctuation on the inverter side,so as to achieve thego...
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Number of views:3724 Amount of downloads:1654
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CHEN Lu,WANG Can,HU Hao,ZHOUYANG Junran,YANG Wentao,MA Xin
Abstract: With the increasing utilization rate of electric vehicles(EVs)in China,high permeability EVs makethe three-phase imbalance rate of urban distribution network increase day by day,which causes problems such asvoltage fluctuation and network loss increase,and the distribution network with high three-phase imb...
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Number of views:3746 Amount of downloads:1829
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WANG Haijun,WANG Lei
Abstract: Aiming at the problem of active power dispatch and control in the grid-connected power system oflarge-scale wind power clusters(WPC)of distributed wind farms,a hierarchical model predictive control(HMPC)strategy based on dynamic power dispatch was proposed. Firstly,the dispatch framework was divided into f...
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Number of views:3507 Amount of downloads:1555
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WANG Baihuai,WUTong,ZHANGWeizheng,FANG Xuezhen,LIYingzhi
Abstract: In order to enhance the stability of power grid operation and improve power supply capacity of powergrid,a power supply capacity simulation method based on harmonic reactive compensation was proposed. Theharmonic data in the power network equipment was calculated through DIgSILENT/PowerFactory software,inc...
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Number of views:3724 Amount of downloads:1593
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WU Ming,LÜ Zhipeng,WANG Xin,YANG Wanli,ZHOU Shan,LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind,solar,gas and battery,a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
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Number of views:3339 Amount of downloads:1509
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NIU Shengsuo,WU Zhenan,HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious,which increases the probability of false detection,seriously affects the accuracy and reliability of cabledetection results of bullet trains,and greatly reduces the safety and stability of bullet trai...
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Number of views:3474 Amount of downloads:1463
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GONG Ruibang,JIANG Qi,WANG Yuchen,ZHANG Baoqing
Abstract: A novel voltage regulation and maximum power point tracking(MPPT)control for DC microgridcomposed of PV panel,battery,constant resistance and constant power loads was proposed. A dynamic model of the DC microgrid system described by a multi-input and multi-output nonlinear system with non-affine inputs was...
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Number of views:3932 Amount of downloads:1812
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XIANG Baicheng,LI Sheng,XU Zheng,LI Guangming
Abstract: Regarding the problem of instability in the start-up process of permanent magnet synchronous motor(PMSM)air-conditioner compressor caused by different operating conditions,and combined with the characteristics of shaft error speed closed-loop control,a set of three-stage start-up application program pertin...
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Number of views:4907 Amount of downloads:3122
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MAO Shufan
Abstract: An automatic compensation method was presented based on adaptive capacitance regulationtechnology and the principle of controlling capacitor charging and discharging voltage. Based on the turn off ability of the self-turn off device,a switch circuit composed of two self-turning off devices connected in rev...
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Number of views:3849 Amount of downloads:1854
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LUO Ke,WU Shuanglong,REN Chao,LIU Yuan
Abstract: Aiming at the electromagnetic noise problem of the permanent magnet synchronous motor for electric vehicle,the causes of noise were analyzed from the perspective of current harmonic and electromagnetic force. It has shown that current harmonics control is an effective method for motor electromagnetic noise...
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Number of views:3796 Amount of downloads:2035
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FU Wenqi,HUANG Yongzhang,YANG Xin,GUAN Fei,GU Yujun
Abstract: The integration of large-scale renewable energy source causes the reduction of rotational inertia inpower systems. A motor-generator pair(MGP)can provide a real inertial response(IR)capability without delay forrenewable energy generations. The electrical-mechanical model of the MGP was established based on...
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Number of views:3870 Amount of downloads:1813
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FENG Qiao,WANG Na
Abstract: In order to improve the control performance of permanent magnet synchronous motor(PMSM)servosystem,weaken the influence of uncertainty in the system,and solve the chattering problem in traditional SMCtechnology,a dynamic sliding mode control(DSMC)method was proposed. Firstly,based on the PMSMmathematical m...
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Number of views:3769 Amount of downloads:1992
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HU Changsheng,LI Yang,SHAN Qiang,LIU Hui
Abstract: The fault-tolerant control of active power filter(APF)has component redundancy,which leads to the increase of fault-tolerant control error,the decrease of execution efficiency and fault-tolerant rate. Aiming at these problems,a fault-tolerant control method ofAPF based on component redundancy was proposed....
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Number of views:3810 Amount of downloads:1804
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LIU Tao,CAI Xu,SUN Guoqi,WEI Xiaobin,CAO Yunfeng,ZHANG Lingyan
Abstract: As traditional condenser is replaced by static var generator(SVG),the dynamic reactive powercompensation can be provided by SVG. However,compared with traditional condenser,SVG lacks rotational inertia.Traditional research of SVG mainly focused on reactive power compensation and fault ride-through,and ther...
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Number of views:3714 Amount of downloads:2274
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XU Zhenyu,LI Shuai,CHEN Yong,WANG Wenna
Abstract: Electromagnetic radiation affects the development of the wireless charging technologies for electricvehicles.Amethod for reducing the radiation was proposed during the procedure of the wireless charging compared to the existing schemes from the viewpoint of hardware design,software implementation,simulatio...
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Number of views:3754 Amount of downloads:1814