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ZHAO Jianyong,ZHANG Zhenxiao,DING Yuanjie,YU Ziwei,HAN Junyao, WANG Shenghong,NIAN Heng,LI Xuerong
Abstract: Aiming at the problems of small regulation range and slow speed of traditional voltage regulators such as compensation capacitors in distribution network line voltage compensation,a voltage compensation scheme of distribution network in sparse area was proposed,the voltage hierarchical coordinated control ...
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Number of views:4129 Amount of downloads:2251
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WANG Fenglian,WEI Zhengyi,ZHOU Mingzhu,CAO Yichang,HAO Yangyang,DING Xinping
Abstract: Aiming at the deficiency in boost capacity of the traditional booster circuit,a new type of coupledinductance high-gain DC-DC converter(Fibonacci switch capacitor-Y sources DC-DC converter,FSCYS)was proposed. Using sliding mode variable structure control with superior dynamic response performance and robus...
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Number of views:3603 Amount of downloads:2250
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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:4260 Amount of downloads:2246
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GUO Leilei,ZHU Linqiang,CAO Lingzhi,LI Yanyan,WANG Pengshuai
Abstract: The accurate estimation of rotor angle is an important prerequisite for realizing speed sensorless highperformance vector control of permanent magnet synchronous wind generator. In the speed sensorless control ofpermanent magnet synchronous wind generator based on disturbance observer,the traditional angle...
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Number of views:2770 Amount of downloads:2245
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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 ...
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Number of views:2649 Amount of downloads:2244
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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:4162 Amount of downloads:2243
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LIU Sheng
Abstract: Voltage and current balance plays an important role in ensuring the normal operation of DC microgrid.Therefore,a new distributed voltage and current control method was proposed to realize the current sharingand voltage sharing regulation of DC micro-grid. The considered DC micro-grid was composed of severa...
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Number of views:4000 Amount of downloads:2242
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SUN Lihua,ZHANG Lin,SUN Huiqin,GUO Yingjun,LI Zheng,GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit,which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor,an integrated power converter for electric vehicle was desi...
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Number of views:4181 Amount of downloads:2228
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LI Xuhui,XIE Baihuang,HUANG Xiaoyong,XUYan
Abstract: The collector line short-circuit fault is one of the most common faults for the grid-connected doublyfed wind farms. Because the introduction of the crowbar discharge resistor,after the unsymmetrical faults of the collector line,the positive and negative sequence impedances of DFIG will produce the differe...
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Number of views:4034 Amount of downloads:2226
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DING Yi1,LIU Shengzhong,WANG Xudong,HUO Xianxu,HU Zhigang,JIANG Fan
Abstract: The estimation method of state of health(SOH)of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression(CPSO-GPR)was proposed. Firstly,the voltage and current curves of leadacid battery during charging process were investigated,and the characteristics of constant current c...
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Number of views:3801 Amount of downloads:2219
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JIA Junqing,LÜ Chao,LIU Dinghua,XU Hao
Abstract: With the rapid development of artificial intelligence algorithms,convolutional neural networks withfewer layers have been used in distribution network overvoltage recognition. The deep-level network has a higherrecognition rate,but requires a large number of data samples. At present,the amount of data in t...
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Number of views:4157 Amount of downloads:2219
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CHEN Hu,WANG Yangyang,PAN Yuedou
Abstract: In order to overcome the drawback of direct torque control of induction motor which has largetorque ripples at low speed,a generalized predictive control method was proposed and be used in the direct torque control of induction motor. The method was directly used in speed control,and didn' t depend on ...
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Number of views:4225 Amount of downloads:2217
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WANG Wenguang,QIU Shuming,BAI Yang,GAO Pengcheng,YU Shipeng
Abstract: Taking the steel rolling system improvement as an example,the design of 12-pulse parallel electriccontrol system of SIEMENS SINAMICS DCM 6RA80 in the steel rolling system was described in detail,as well asthe calculation and selection of main components,such as rectifier transformer,rectifier device and sm...
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Number of views:2192 Amount of downloads:2214
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GUO Peijian,JI Shiqing,LIU Juan,HE Jinwei,BAI Yang,GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system,serious imbalances can occur in the three-phase power supply system,which restricts the development of highspeed,heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
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Number of views:2425 Amount of downloads:2212
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SHEN Gaobo,LIU Xu
Abstract: A variable flux reluctance machine(VFRM)control system based on the excitation current controlof a single leg was proposed. Compared with the VFRM control system based on the H-bridge which controlling theexcitation current,fewer switch devices were used,in which the cost of the inverter was reduced while ...
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Number of views:3884 Amount of downloads:2212