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GAO Ruiteng，WANG Shuhong，WU Hao，LI Jiabin，CAO Jianwen，WU Pan，ZHANG Ailing
Abstract: A no-load grid-connected voltage phase control method of the brushless doubly-fed inductiongenerator（BDFIG）based on the control winding flux was proposed，the control system structure block diagram was constructed according to the mathematical model and control strategy of BDFIG. The hardware circuit of the...
更多Number of views：4161 Amount of downloads：7583
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SHI Xuelei
Abstract：Under the power grid dispatch mode of "source follows load"，different AC power supply modes arerequired in the market. To meet market demand，an uninterruptible power supply（UPS）system compatible withvarious AC power supply modes was designed. The modes of the system were selected by switching devices.Accord...
更多Number of views：2480 Amount of downloads：7562
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HU Xiaoyu，ZHOU Yuanxiang，CHEN Jianning，ZHAO Yunzhou，LIU Jun
Abstract: As a new type of insulating oil in the power industry，natural gas insulating oil is excepted to solvethe bottleneck problem of high-quality transformer oil's insufficient supply in the future. However，its electricalparameters including partial discharge withstand strength and sweep frequency spectrum c...
更多Number of views：3891 Amount of downloads：7561
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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：2280 Amount of downloads：7559
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LIU Lingshun，LI Yongheng，YAN Hongguang
Abstract: A nine-switch converter space vector pulse width modulation（SVPWM）algorithm was proposedbased on the dual Y shift 30° permanent magnet synchronous motor（PMSM）voltage vector. Compared with thebiggest four vectors of the twelve-switch converter SVPWM algorithm，the proposed algorithm not only reducesthree swi...
更多Number of views：2353 Amount of downloads：7557
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LIU Juan，LEI Hui，LÜ Jin，WANG Yang，Xu Deshu
Abstract：The state of charge（SOC）of batteries is one of the most important parameters in lithium-ionbattery management technology，and high-precision SOC estimation is beneficial for the grid connection andcontrol of energy storage stations. Battery charge and discharge data are not only time-series in nature，but als...
更多Number of views：2464 Amount of downloads：7552
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WEI Wei，GE Qiongxuan，LI Yaohua，ZHAO Lu，ZHANG Bo
Abstract: The integrated gate commutated thyristor（IGCT）is an important element for efficient and reliableoperation of high power traction converters. The stability of high power converter system is significantly affected bythe voltage and current dynamic characteristics of the IGCT device during the turn-on and tur...
更多Number of views：4467 Amount of downloads：7552
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GE Yaming，ZHOU Chenbin，MENG Yihua，SHEN Jiaoxiao，CAO Haiou，REN Xuchao
Abstract：With the accelerated construction of new power systems，the scale and complexity of transmissionsystems are constantly increasing. Therefore，it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
更多Number of views：2398 Amount of downloads：7550
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QIAN Xiao，MA Xiang，LÜ Leiyan，ZHANG Wenjie，WANG Ning，ZHI Yuemei
Abstract: Traditional power grid dispatching alarm algorithm has low alarm instruction operation efficiency，low power grid dispatching failure burst rate and high alarm error alarm rate，so the power grid dispatching alarmassociation rules and decision tree algorithm based on knowledge graph were proposed. The associ...
更多Number of views：3426 Amount of downloads：7542
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LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network，the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
更多Number of views：2525 Amount of downloads：7541
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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：2291 Amount of downloads：7540
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HU Changbin，MA Tengfei，MA Jianli，XU Zheng
Abstract: Distributed power generation technology is an important part of modern smart microgrid，in whichthree-port isolated DC converter plays an important role. Because the storage battery system can realize the flowand storage of energy，so the combination of three-port isolated DC converter and photovoltaic power...
更多Number of views：2758 Amount of downloads：7540
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MENG Chao，WANG Lianzhi，XIE Min，FU Yichao
Abstract: As the existing system fails to evaluate the process of pushing the power grid dispatch controlinstructions，the push delay and energy loss increase. A feature selection-based automatic push system for power grid dispatch control commands was proposed.According to the characteristics of power grid dispatch ...
更多Number of views：3079 Amount of downloads：7536
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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：2398 Amount of downloads：7535
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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：2292 Amount of downloads：7531
