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MA Xiaoliang
Abstract: Pump-turbine units are kind of hydropower facilities with both pump and power generation abilities，they are used mainly in pumped-storage plants and also in water-managing projects. Conventional units operate withfixed-speed. To make power control quick and flexible and to extend operation ranges of turbine...
更多Number of views：5977 Amount of downloads：8683
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DU Yiming，CHENG Zhijiang，LI Zhiwen
Abstract: In order to realize the high-precision trajectory tracking control of four-wheel skid-steering mobilerobot（SSMR），under slip and external disturbance，an auto-disturbance tracking controller based on double closedloop rail structure was designed，and its stability was proved. First of all，in order to solve the...
更多Number of views：2499 Amount of downloads：8647
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FU Lulu，ZHAO Hong
Abstract: The classical model prediction algorithm of three-level grid-connected converter has manydisadvantages，such as large computation，unfixed switching frequency and difficulty in selecting weight factors，which limit its development in grid-connected converter field. To solve above problems，a modified control a...
更多Number of views：5338 Amount of downloads：8635
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WANG Shanshan，NIU Ke，LI Hui
Abstract: In order to reduce the high cost of sampling circuits，simplify commutation procedure and improvethe conversion efficiency of the indirect matrix converter，a zero current commutation model predictive control（ZCC-MPC）strategy with the input voltage observation was proposed. The input voltage observer was des...
更多Number of views：5355 Amount of downloads：8608
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WAN Shaoqi，WANG Bo，GUAN Wenqing，CHEN Jingbo，LÜ Congxin，DONG Haiying
Abstract：The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control，which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
更多Number of views：2218 Amount of downloads：8601
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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...
更多Number of views：4725 Amount of downloads：8600
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CAO Xinping, YIN Zhonggang, ZHANG Yanping, ZHANG Yanqing
Abstract: Aiming at the problems of chattering and poor observation accuracy of traditional full order slidingmode observer (FSMO), a sensorless control strategy of interior permanent magnet synchronous motor (IPMSM)based on improved full order sliding mode observer was proposed. In this strategy, the quasi-sign func...
更多Number of views：5856 Amount of downloads：8591
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KONG Weizheng，WU Xiaoyu，DAI Hongcai，XU Kaiwen
Abstract: Carbon emission pressure on the optimal operation strategy of integrated energy system isintensified by environmental issues and low carbon policies. To address this issue，a multi-objective optimalscheduling model under the operation of the integrated energy system in the park was established，which conside...
更多Number of views：2622 Amount of downloads：8582
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XUE Yufeng，SU Jianhui，WANG Haining，DU Yan
Abstract: When the input DC voltage is high，considering the limited voltage endurance capability of the powerswitch of the inverter，an input-series and output-parallel（ISOP）inverter topology was adopted，which is composed of two single-phase full-bridge inverter modules. The input DC voltage could be divided equally ...
更多Number of views：3499 Amount of downloads：8571
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AN Juan，HUANG Cunqiang，LI Junxian，LIU Xingwen，WANG Yusi
Abstract：The intermittency and uncertainty of large-scale distributed new energy bring great challenges to thestable operation of power system. Intelligent soft open point（SOP）and energy storage are effective ways to absorb distributed new energy in spatial and temporal dimension，and play an important role in improv...
更多Number of views：1887 Amount of downloads：8553
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LÜ Wei，WANG Han，ZHANG Jianwen，CHEN Gen，CAI Xu
Abstract: Compared with onshore wind power，the natural conditions at sea are bad and the traffic isinconvenient to maintain the wind power system，so wind power system needs to be highly reliable. The systemreliability can be effectively improved by using fault-tolerant control. A fault-tolerant control strategy by i...
更多Number of views：4366 Amount of downloads：8537
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GAO Fengliang，HUANG Xiongfeng，FAN Hongxing，ZHANG Xuankun
Abstract: The failure rate of IGBT devices caused by excessively high temperature is as high as 55%.Improving the heat dissipation efficiency of the heat sink is the basis for ensuring the safe and reliable operation ofIGBT devices. Through theoretical analysis of IGBT module water cooling and heat dissipation，a tem...
更多Number of views：5410 Amount of downloads：8518
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TIAN Kai，LI Fengsheng，CHU Zilin，YU Zhibin，LI Teng，WANG Mingyue
Abstract: Aiming at the short circuit fault protection of medium voltage three-level converter with IGCT asthe core and the monitoring of changes in main circuit device parameters during operation，a method was proposed to simultaneously realize fault identification of IGCT three-level converter and monitoring of mai...
更多Number of views：3176 Amount of downloads：8492
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XU Qianxi，ZHAO Yangyang，CHEN Xueni，YU Yingjun，YOU Rui
Abstract：The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device（FID）based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem，a three-phase current unbalance reg...
更多Number of views：1744 Amount of downloads：8487
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CHEN Guangzhu，YANG Yuxin，ZHANG Yanan，LÜ Peihe，WANG Jianquan
Abstract: The new version of the national standard GB/T 15576—2020《Low-voltage reactive powercompensation assemblies》was released on November 19，2020，and has been implemented on June 1，2021，replacing the old standard. Through comparative analysis of the content of the new and old standards and key tests，the test met...
更多Number of views：4362 Amount of downloads：8487
