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LI Ning，LIU Ming，ZHANG Changjie，ZHANG Chenglin
Abstract：At present，the traditional passive filter in on-board charger（OBC） has poor low-frequencyperformance，an active feedback loop was added to the traditional on-board charger passive filter，a design method of on-board charger electromagnetic interference（EMI）hybrid filter based on current sensing and current in...
更多Number of views：1883 Amount of downloads：3811
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ZHANG Junlin，NI Lianghua，SUN Jia，LÜ Ganyun，ZHANG Jinhua
Abstract：In order to intervale evaluate saddle node bifurcation points（SNB）in a power system during loadgrowth quickly and accurately，a quadratic approximation method to directly calculate the power system voltagecollapse point of was proposed. Based on the approximate quadratic PV-curve of output PQ nodes in the sy...
更多Number of views：1879 Amount of downloads：4797
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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：1875 Amount of downloads：4883
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WANG Yihan，FENG Chuanxin，JIN Tao
Abstract：To solve the problem of neutral point voltage imbalance when the three-level neutral point clamped（NPC）inverter works，an improved neutral balance model predictive control（INB-MPC）algorithm was proposed.The proposed method used a two-stage voltage vector selection method with no weighting factors，deleted the...
更多Number of views：1871 Amount of downloads：5825
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FAN Enze，LI Yaohua，GE Qiongxuan，ZHAO Lu
Abstract：Under digital control，the inner current loop of the LC-type inverter is affected by the control delay，which leads to the weakening of its active damping effect. Increasing the sampling control frequency can effectivelyreduce the negative influence of digital control delay. Furthermore，in order to suppress t...
更多Number of views：1866 Amount of downloads：4219
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KANG Jiale，ZHOU Xuntian，ZHANG Zhigang，CEN Yinwei
Abstract: In order to improve the utilization rate of clean energy and promote the stable and low-carbonoperation of the microgrid，a low-carbon optimal dispatching model based on load side flexible resources wasestablished. According to the flexibility resource analysis，the flexibility resource modeling of load side...
更多Number of views：1866 Amount of downloads：4299
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TANG Junyi，DING Biwei，YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First，...
更多Number of views：1863 Amount of downloads：4883
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NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui
Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research ...
更多Number of views：1861 Amount of downloads：4258
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JIANG Jingwen，ZHOU Jiemin，HONG Feng，ZHENG Gang
Abstract: On the basis of LLC，considering from the perspectives of soft-switching technology，DC/DCcascade converter technology and three-level technology，a new DC/DC composite cascade structure topology onthe basis of Buck-LLC structure was proposed. A 980 W prototype was designed and built for verification，whichpro...
更多Number of views：1859 Amount of downloads：3812
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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：1856 Amount of downloads：4376
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WU Ning，CAI Jie，LIANG Gonghao
Abstract: As an important part of smart grid monitoring system，the security of power wide area measurementsystem is very important. Therefore，in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
更多Number of views：1856 Amount of downloads：4400
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CHE Zihang，WU Jiahui，WANG Weiqing，ZHANG Hua，YANG Jian，PEI Yufeng，ZHANG Jingang
Abstract：To further improve the economy of integrated energy system（IES）capacity allocation，an IESoptimization configuration model based on supply-demand collaborative response was proposed，aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all，based on thecharacterist...
更多Number of views：1853 Amount of downloads：7760
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YOU Hanwen，CHEN Xi
Abstract：A modeling method based on fractional calculus was proposed to analyze the working mode of halfbridge LLC resonant converters and the influence of the "parameter drift" of the resonant capacitor on the workingmode of the converters. Then，based on the Oustaloup's filtering algorithm，a simulation model of...
更多Number of views：1853 Amount of downloads：7865
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LAI Guoqing，LAI Qun，LI Ming，FENG Chaokun
Abstract: In the application of renewable energy power generation，multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge c...
更多Number of views：1846 Amount of downloads：4440
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ZHUYanxiang，LIN Hong
Abstract：Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control，a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
更多Number of views：1843 Amount of downloads：5814
