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ZHANG Jianwen，MA Haixiao，JIAN Jiahong，LIU Yueneng
Abstract：To eliminate the leakage current of single-phase non-isolated photovoltaic inverter，a six-switchphotovoltaic inverter topology with low leakage current was proposed. The topology consists of a voltage multipliercircuit，a common ground three-level inverter circuit and a LC output filter circuit. The combinat...
更多Number of views：2310 Amount of downloads：14370
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GUO Jiahao，YANG Xiong，FANG Xin，GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak，which is easy to be interfered by high-order harmonics，resulting inunstable signal transmission. In order to solve these problems，a high-order and high-precision filter...
更多Number of views：2309 Amount of downloads：7918
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：2308 Amount of downloads：8021
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CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli
Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequency...
更多Number of views：2308 Amount of downloads：6698
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ZHANG Chunxiang，LI Xin，SUN Ning
Abstract：DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device，which is used in low-voltage electricalindustry for DC products for long time delay，short time delay，instantaneous tripping test and sh...
更多Number of views：2306 Amount of downloads：8212
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SUN Chuanjie，TIAN Kai，XU Wenyuan，LU Beibei，LI Nan
Abstract：A brake unit based on IGCT was designed for different applications of frequency converter inindustrial scenes，especially the medium voltage frequency conversion system without feedback function. IGCTwas used as the main power device，and the parameters and characteristics of IGCT was analyzed. According to t...
更多Number of views：2300 Amount of downloads：9844
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ZHANG Boyu，ZHANG Xiaoli，FENG Rui，ZHANG Zhaobo，CAI Siqi ，MA Xiaoxuan
Abstract：Based on the principle of magnetic coupling resonance technology，a bilateral LCC topologycompensation network parameter design method was adopted. Firstly，the mathematical model of the main circuitof the bilateral LCC topology was analyzed，and the inductance ratio of the coil self-inductance and the seriesc...
更多Number of views：2298 Amount of downloads：8105
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ZHANG Xuyang，ZHANG Maosong，WANG Xiuqin，CHEN Zhong，WANG Qunjing
Abstract：In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply，which is not conducive to controllable andstable power supply，and low energy utilization，a combined DC circuit breaker energy supply metho...
更多Number of views：2296 Amount of downloads：8893
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GUO Shaokang，CHENG Zhijiang，XIAO Shihao，LI Lingqi，CHEN Xingzhi
Abstract：Aiming at the challenge of demand response uncertainty to the safe and economical operation ofintegrated energy system，a cooperative optimal scheduling model of multi-region integrated energy systemconsidering thermal pipe network transmission and demand response was proposed. Firstly，the energy transmissio...
更多Number of views：2290 Amount of downloads：8141
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JIANG Yang，CHEN Zhong，WU Yongkang
Abstract：The permanent magnet synchronous generator（PMSG）is prone to current overstep in unbalancedgrid，which affects the reliability of grid-connected system. To solve this problem，low-voltage ride-throgh controlstrategy based on direct power control was proposed. In this strategy，the direct power inner loop was us...
更多Number of views：2284 Amount of downloads：7496
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DU Jifei，WANG Yang，WANG Li，LIU Haoruo，MU Yunfei，SUN Qiang
Abstract：The primary side feedback can stabilize the output voltage，and improve the service life of theequipment without using the secondary winding detection error signal. The topology of active filter and theimproved method of primary side feedback were adopted. The performance of active EMI filter topologies wasa...
更多Number of views：2284 Amount of downloads：8665
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CHEN Yong，LI Jianbiao，CHEN Jianfu，PEI Xingyu，WU Hongyuan，HUANG Chunyu
Abstract：The characteristics of the DC side of the DC distribution network are multi bus cascades，multipleconverters，and strong coupling of the buses，which can easily cause harmonic resonance and threaten the safeoperation of system equipment.Aims at the problem of unclear resonance interaction and harmonic transmis...
更多Number of views：2282 Amount of downloads：7505
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LI Ning，WANG Ruyue，ZHU Longhui
Abstract：In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors，a power quality detection and recognition method combining empirical wavelettransform（EWT）and improved S-transform was proposed. On the one hand，the frequency，amplitude and timeparamete...
更多Number of views：2276 Amount of downloads：7539
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LI Yunwang，CHEN Junde，ZHANG Daping，SANG Yun，HAN Xiaolei
Abstract：An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
更多Number of views：2268 Amount of downloads：6552
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TAO Jiagui，HU Shengnan，DAI Jianzhuo，ZHANG Sicong
Abstract: Aiming at the problems of complex feature extraction and low classification accuracy of traditionalmethods in human behavior recognition（HAR），a behavior recognition model based on deep belief network-support vector machine（DBN-SVM）was proposed. Firstly，in order to better capture the periodic changes of use...
更多Number of views：2268 Amount of downloads：11547
