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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：3795 Amount of downloads：1680
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LI Yangyang，HU Jinlei，LAI Junju，WANG Wei，YANG Fan
Abstract: Aiming at the on-site live detection data of switchgear，a mean-shift clustering algorithm based onmulti-dimensional feature quantity was proposed to identify the abnormal partial discharge of switchgear. Theswitchgear partial discharge detection data which include dispersion，average distance percentage，con...
更多Number of views：3687 Amount of downloads：1680
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LIU Ronghui，MA Tiantian ，SUN Gaiping
Abstract：The potential dispatchable resources of electric power，heat，cool and gas in the integrated energysystem（IES）are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES，a IES day-ahead optimal dispatch model considering a...
更多Number of views：2227 Amount of downloads：1662
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GUO Leilei，ZHU Linqiang，CAO Lingzhi，LI Yanyan，WANG Pengshuai
Abstract: The accurate estimation of rotor angle is an important prerequisite for realizing speed sensorless highperformance vector control of permanent magnet synchronous wind generator. In the speed sensorless control ofpermanent magnet synchronous wind generator based on disturbance observer，the traditional angle...
更多Number of views：2591 Amount of downloads：1657
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TIAN Kai，WANG Ziman，CHU Zilin，YU Zhibin，YUAN Yuan，SONG Peng
Abstract: A method to extract the equivalent thermal resistance parameters of double-sided water-cooledheatsink was proposed. Based on this method，the real-time calculation of junction temperature and overtemperature protection of integrated gate commutation transistor（IGCT）power device were implemented by the water...
更多Number of views：3566 Amount of downloads：1657
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LIU Shiqi，WANG Yajing，MEI Yu，ZHANG Xiangke，SHI Yao，DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm，a harmonic analysis method based on ensemble local mean decomposition（ELMD），singular valuedecomposition（SVD）and Prony was proposed. Firstly， the noisy signal was decomposed by ELMD，and thedemarcation point ...
更多Number of views：3500 Amount of downloads：1655
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LI Mingyang，NIU Pingjuan，LI Yuhong，LI Ying，SUI Yu
Abstract: The offset characteristics of transmitting and receiving coils manufactured by different wirelesselectric vehicle manufacturers are a critical issue to ensure the interconnection of domestic and international vehiclecharging. The 3.7 kW wireless energy transmission system was modeled and the SS-type topolo...
更多Number of views：2949 Amount of downloads：1654
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ZHANG Zhi，WANG Xinyu，WANG Lin
Abstract: At present，the most commonly used methods for identifying photovoltaic cell parameters areanalytical methods and intelligent optimization algorithms. The sparrow search algorithm（SSA）is a newlyproposed intelligent optimization algorithm. It has the advantages of traditional intelligent optimization algorit...
更多Number of views：3589 Amount of downloads：1647
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ZHAN Chengkang，LI Xiaolu，LU Yiming，LIU Riliang，LI Congli
Abstract: With the access of large-scale distributed energy resources in active distribution network，thetraditional centralized control architecture system will not effectively deal with a large number of distributed unit，so it is necessary to study the optimal scheduling of distributed resource cluster in active di...
更多Number of views：2073 Amount of downloads：1637
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ZHANG Ao，DAI Linwang，MA Zhengyang，LI Shaolin，ZHANG Xueguang
Abstract: Doubly-fed wind turbine is easy to produce sub-synchronous oscillation in series compensation grid.Using virtual synchronous control structure to improve inertia and damping for grid may also lead to subsynchronous oscillation risk. In view of the causes of sub-synchronous oscillation，firstly，the double-fe...
更多Number of views：2606 Amount of downloads：1634
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GAO Xiaozhi，QIAO Yu，CAO Xin，LI Zheng，SUN Huiqin，SUN Hexu
Abstract: DC active power filter（DC-APF）can effectively suppress the bus voltage ripple of DC microgrid. Inorder to solve the problem that DC-APF can not work normally due to the failure of switching devices，a fault-tolerant DC-APF topology based on H-bridge converter was proposed，which could ensure the power qualit...
更多Number of views：2851 Amount of downloads：1633
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MA Bingtai，LIU Haitao，HAO Sipeng，LU heng，ZHANG Chengyu
Abstract: In photovoltaic and hybrid energy storage system，variational mode decomposition（VMD）iscommonly used to realize the distribution of system residual power，but the number of decomposed modes andsecondary penalty factor value affect the error of power reconstruction directly，and the inertia weight error ofcomm...
更多Number of views：1517 Amount of downloads：1626
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GAI Zhiqiang，XUE Bin，LIYajie
Abstract: The traditional fault location method lack effective fault location process，which leads to the increaseof ranging error，fault location time and complexity. In order to effectively solve the above problems，a new faultlocation method for multi-power distribution network based on traveling wave theory was des...
更多Number of views：3559 Amount of downloads：1616
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SONG Zhuoran，LI Jianfeng，JIANG Tao，DENG Xinyang，LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
更多Number of views：3410 Amount of downloads：1612
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HUANG Xu，LIU Yichao，ZHU Hanqing，LIU Yang
Abstract: The DC fault current calculation method of modular multilevel converter（MMC）is the key to studythe DC fault transient characteristics and isolate the fault point rapidly in VSC-HVDC grid. Firstly，aiming at twotypical MMC fault equivalent models，the topology and the capacitor voltage characteristics when th...
更多Number of views：3352 Amount of downloads：1611
