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ZHAO Jingjing，CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high，and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
更多Number of views：2511 Amount of downloads：5391
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HU Xiangyu，HONG Feng，SHAO Dongwei
Abstract：Switching power supply is now developing towards high-frequency soft-switching and high powerdensity，the volume of magnetic components is greatly reduced，and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background，t...
更多Number of views：1409 Amount of downloads：5379
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YANG Xinai，LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method，the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator（DG）could share the load automatica...
更多Number of views：4446 Amount of downloads：5375
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YIN Yongliang，WU Qiong，ZHANG Jianping，ZHANG Heng，CHENG Haozhong，ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection，the interconnection ofpower grids through tie lines can absorb wind power in a wider range，but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk（CVaR）was introduced in...
更多Number of views：3498 Amount of downloads：5373
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JIN Haotian，LI Haifeng，MA Kai，TAN Lingqi，LI Jia
Abstract：For the half-bridge modular multilevel converter（MMC）bridge arm in a control cycle within theinput and removal of the submodule of the respective capacitance voltage sequence before and after the relationship of the characteristics of the same，based on the last cycle of the submodule switching state and the...
更多Number of views：1135 Amount of downloads：5370
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ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：1769 Amount of downloads：5369
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YAN Hao，BA Sang，GU Yi
Abstract: Insulation failure can cause motor turn-to-turn，phase-to-ground and ground-to-ground faults，ranging from equipment downtime，or endangering personal safety，resulting in catastrophic consequences. In order to be able to carry out online sensitive monitoring of the deterioration state in the early stage of tu...
更多Number of views：4716 Amount of downloads：5356
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DONG Lizhi，ZHAI Bingcong，WANG Kaifeng，JIA Xuecui
Abstract：When multiple energy storage units are connected to an energy storage station by the powerelectronic converter，the interaction and coupling effect bring challenges to the stable operation of the system. Thesmall-signal model of the parallel storage system was established. The stability analysis was carried ...
更多Number of views：1774 Amount of downloads：5351
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SHI Shaoqing，ZHANG Leping，ZHANG Bensong，WU Haowen，LIAN Xinkai，DU Shushuai
Abstract: In order to apply the smart meters with load identification technology into real application，a nonintrusive load identification method using Mean-shift clustering algorithm with siamese network framework wasproposed. In this method，the load event was carried out for extracting the features，including active...
更多Number of views：3065 Amount of downloads：5334
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HOU Yongquan，MA Lifang，MEI Shuang，WU Bo，WANG Tan，LU Tao
Abstract：In recent years，the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode（CCM）have been widely studied for their low output ripple current，high efficiency，...
更多Number of views：1679 Amount of downloads：5331
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HUANG Heyao，WANG Luyang，WU Jiaming，BAI Yang，DING Quan，BAI Hongshan
Abstract: Virtual synchronous generator technology can provide virtual inertia for the frequency stability ofmicrogrid，but there are a lot of asymmetric loads in the operation of microgrid. In order to compensate theunbalanced load and output three-phase symmetrical voltage and current，an improved control strategy b...
更多Number of views：4278 Amount of downloads：5329
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SUN Lihua，ZHANG Lin，SUN Huiqin，GUO Yingjun，LI Zheng，GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit，which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor，an integrated power converter for electric vehicle was desi...
更多Number of views：5022 Amount of downloads：5329
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LU Yibing，LI Feng，ZHAO Wenbin，LU Wu，HUO Simin
Abstract: A power angle control method for DC system with doubly-fed induction generator based on air gapflux vector regulation was presented，which could reveal the relationship between the air gap EMF vector angle andthe stator output power，and could be used to directly control the stator output power. In the propos...
更多Number of views：4701 Amount of downloads：5324
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GU Laiqiang
Abstract：The traditional three-phase pulse width modulation（PWM）rectifier requires six power switches.Due to the shoot-through problem between two switches on the same bridge arm，the control difficulty is increasedand overall system design becomes more complicated. A half-controlled three-phase PWM rectifier topolog...
更多Number of views：1653 Amount of downloads：5314
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FU Yu，LI Tie
Abstract: The microgrid is essentially an active distribution network，which is a combination of the distributed generation（DG）system and different loads at the distribution network voltage level. By analyzing factors such as safety and reliability，energy conservation and environmental protection in the microgrid，and...
更多Number of views：4716 Amount of downloads：5313
