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CHEN Shaoxiong，ZHANG Penghe，SONG Runan，XUE Yang，CHEN Ganchao
Abstract：Power safety is a critical issue related to the reliable supply of energy and the safety of people's livesand property. In recent years，electrical fire incidents have been frequent in China，and low-voltage AC fault arcdiagnosis，especially for series fault arcs，is difficult to apply to the complex domest...
更多Number of views：1841 Amount of downloads：10805
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JIA Junqing，ZHANG Yifan，PAN Dazhi，LIANG Shuai，YANG Yang
Abstract: Under the background of the increasingly prominent voltage sag problem in modern power grids，itis of great engineering significance to accurately identify the users' profile of demand of voltage sag control forguiding users' precise investment decisions for voltage sag control and helping power gri...
更多Number of views：1838 Amount of downloads：4047
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HUANG Feng，CUI Zhimei，HUANG Zhidu，JIANG Shengchao，FENG Bo
Abstract: In order to evaluate the safety status of transmission lines scientifically and objectively，a safetyanalysis model of transmission lines based on support vector machine-back propagation（SVM-BP）hybrid networkwas proposed. Firstly，the weather data，transmission line standard documents and defect data were pro...
更多Number of views：1838 Amount of downloads：3846
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PENG Daogang，GAO Yimin，QI Erjiang，ZHOU Yang，WANG Yongkun
Abstract: Oil spills from thermal power plants can pollute the drainage outlet，if not dealt with in time，it willalso pollute the river environment. Drainage outlet monitoring is from the angle of depression，therefore it is hard to identify accurately with the rectangular detection frame. Based on the image from the ...
更多Number of views：1838 Amount of downloads：3995
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ZHOU Jinwei，DING Dawei，JIANG Xuexiang，REN Zhaoting，LI Xizhi
Abstract：Maximum torque per ampere（MTPA）control can effectively improve system efficiency throughreducing copper loss，which is suitable for air conditioning permanent magnet compressor system. However，due to the inverter non-ideal characteristics，the tracking accuracy of the optimal current vector angle decreases. T...
更多Number of views：1837 Amount of downloads：4080
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YANG Lei，WANG Xianjun，WANG Zijian，ZHAO Weihua，LI Peng，LI Mengxi
Abstract：As the penetration rate of household distributed PV in China's low-voltage distribution networkcontinues to increase，the power flow of the distribution network has changed，leading to more serious problemssuch as node voltage overruns and three-phase imbalance，which poses a serious threat to the safe and...
更多Number of views：1836 Amount of downloads：4075
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ZHANG Jun，GONG Min，ZHOU Yi，XIE June，CAO Lei，LIU Yingying
Abstract：In traditional current protection，the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation o...
更多Number of views：1831 Amount of downloads：3716
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LÜ Zhengyu，ZHOU Liang
Abstract: In the process of controlling the voltage of active distribution network，there are problems of poorvoltage control effect and low efficiency. A two-stage automatic voltage control method of active distributionnetwork considering load measurement was proposed. Using the probability density function （PDF） cu...
更多Number of views：1831 Amount of downloads：3791
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ZHANG Xing，LIU Pingfei，ZHANG Liuli，ZHANG Yuwei，JIN Yu，XIAO Qian
Abstract：Under the promotion of carbon peak and carbon neutrality，in order to effectively reduce the carbonemissions of distributed generators in islanded AC/DC hybrid microgrid clusters，a distributed low-carbon controlstrategy was proposed. Firstly，the topology of the islanded AC/DC hybrid microgrid cluster was giv...
更多Number of views：1829 Amount of downloads：7414
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CUI Peng，YU Haisheng，MENG Xiangxiang，WANG Jiankun，SUN Yifei
Abstract：A backstepping error port-controlled Hamiltonian（EPH）controller based on a novel extended stateobserver（ESO）was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly，an extended state observer was used to obse...
更多Number of views：1829 Amount of downloads：5605
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ZHANG Junkun，LEI Ertao，JIN Li，MA Kai，XIA Chenyang，WANG Xirui
Abstract：The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor（IGBT）wide range of applications in the AC motor drive，inverter，switching power supply and newenergy industry. In the application process of IGBT，due to the complex and varied circuit topology and syste...
更多Number of views：1829 Amount of downloads：4296
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LIANG Haisheng
Abstract：In order to further improve the accuracy of fault identification of local abnormal factors indistribution network，a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network...
更多Number of views：1829 Amount of downloads：4696
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JING Qi，WANG Changkai，XU Fengxia，YU Liqi
Abstract: In high-precision applications，the control accuracy of the servo system is extremely high required.The control precision of the servo system depends largely on the precision of the feedback measurement. Positionand speed feedback accuracy can be improved by increasing the absolute accuracy of the encoder，a...
更多Number of views：1826 Amount of downloads：2960
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WU Qing，AN Shaoliang，XU Yixuan，DONG Songsong
Abstract: A quasi-resonant Flyback（QR-Flyback）converter with 65 W output was designed. The valleyswitching principle and the switching loss reduction mechanism of QR-Flyback were analyzed，the frequency andloss characteristics of the system under different working conditions were compared，and the advantages anddisadv...
更多Number of views：1822 Amount of downloads：4505
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GUO Jiajun，XU Zhi，ZHAI Baoyu，CHEN Yutian，CHEN Junru
Abstract：Aiming at the low voltage ride through（LVRT）problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter，an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly，the shortcomings of the traditional LVRTstra...
更多Number of views：1816 Amount of downloads：4800
