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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：3963 Amount of downloads：3941
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ZHOU Jiabin，CHEN Yufe，GU Zhaoliang，YONG Jun，ZHAO Wenbin，JIANG Pengliang
Abstract: The influence of magnetic bias current on the excitation characteristics of near-field transformers inthe DC grounding electrode from bipolar to unipolar earth mode was discussed. Based on the principle of field-circuit coupling，the DC magnetic bias co-simulation model of transformer was established and an...
更多Number of views：4629 Amount of downloads：3928
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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：2072 Amount of downloads：3924
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LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan
Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the gri...
更多Number of views：1540 Amount of downloads：3911
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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...
更多Number of views：4517 Amount of downloads：3907
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WANG Chunhui，QU Xiaowei，WANG Mingyue，HAN Song，LI Teng
Abstract：In order to improve the debugging and fault monitoring and analysis capabilities of inverterproducts，the design scheme of network version process data acquisition and analysis software was proposed.Thecomposition and implementation of the software system were discussed，and the technical means such as multit...
更多Number of views：1563 Amount of downloads：3905
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LIU Kai，LI Gang，WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility，a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated，and the optimal brakin...
更多Number of views：1652 Amount of downloads：3903
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LIU Dongchao，XIONG Muwen，GAO Sen，ZHAO Senlin，ZHU Herong，LI Haitao
Abstract: Different types of partial discharge (PD) in gas insulated switchgear (GIS) cause different damage toGIS insulation. Correctly identifying the type of partial discharge is very important to evaluate the insulation statusof GIS. In order to simplify the process of feature extraction and improve the recognit...
更多Number of views：4627 Amount of downloads：3902
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YANG Zhaowen，YANG Guochao，LIU Jianjun，WANG Hongwei，BAI Xinyu
Abstract: A second order filtering power dividing frequency control strategy based on virtual impedance wasproposed. The different frequency power compensation among different storage units by building invisible passfilters was achieved. The invisible pass filters including high pass filter and low pass filters were...
更多Number of views：4557 Amount of downloads：3897
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HE Yongpeng，WANG Mingyue，WANG Yubo，WANG Chunhui，ZHAO Zesheng
Abstract：Based on the parallel structure of high-power converter system，a high real-time and highsynchronization optical-fiber communication scheme was proposed. The on-fly transmission ensures that thecommunication between the controllers has a low delay，and the clock synchronization algorithm compensates thetime-d...
更多Number of views：1393 Amount of downloads：3892
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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...
更多Number of views：4486 Amount of downloads：3875
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DAI Yemin，LI Yukun，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the wide application of new energy grid connection technology，a large number of powerelectronic devices are connected to the power grid，and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system，the multi-input and mult...
更多Number of views：3934 Amount of downloads：3872
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LING Chunyang，LIU Fang，LI Hao，ZHAO Yang
Abstract: SiC MOSFET devices have the characteristics of high switching frequency，low loss，and hightemperature resistance，which can significantly improve the power density and efficiency when used in wirelesscharging. However，in the control of the wireless charging converter，hard turn-on and hard turn-off are easy t...
更多Number of views：4810 Amount of downloads：3867
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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...
更多Number of views：4142 Amount of downloads：3863
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LI Xuan，DONG Yongle，HAI Hongye，JIN Zhao
Abstract: Under the background of smart grid，higher requirements are put forward for the management level of distribution network，and the traditional static model can not meet the application requirements of refined line loss and real-time scheduling. Based on low-voltage power grid topology identification and broad...
更多Number of views：4452 Amount of downloads：3862
