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JIANG Zhaoping，LIYue，LIUMingkai，ZHEN Dongfang，HOU Xinxu，WANGTong
Abstract: In order to ensure the efficient and stable operation of high-temperature submersible motors，and totimely avoid motor failures caused by high operating temperatures，which may affect production，it is necessary toobtain their underground temperature without temperature sensors. Based on this situation，a temp...
更多Number of views：3283 Amount of downloads：14645
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GU Zhen，ZHUANG Gewei，HE Qing，ZHOU Lei，AN Bailong，DUAN Yan
Abstract: Accurate identification method of abnormal electricity users can provide reference for power supplyenterprises to lock in electricity theft or other violations of power users. Most abnormal user identification modelsbased on machine learning adopt unsupervised algorithms，but the accuracy of the models is l...
更多Number of views：3277 Amount of downloads：8344
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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：3270 Amount of downloads：8238
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WANG Junlong，QIAN Xujun，LI Yongxiang，WANG Shouchang
Abstract: It is well known that the power system operation process will appear to require explicit justprediction difficulties and other problems，the power system operation reliability prediction model based oncontinuous collaborative machine learning algorithm was constructed.First，the continuous collaborative mach...
更多Number of views：3260 Amount of downloads：8420
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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：3251 Amount of downloads：22530
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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：3248 Amount of downloads：9554
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CUI Yulu，ZHANG Zhiguo，YANG Gang，GAO Yipeng，ZHAO Jiantao
Abstract：In response to the "double carbon" strategy，the state has made great efforts to develop new energy.As an important carrier of distributed new energy，the DC building microgrid system has attracted extensiveattention. In the DC building microgrid system，as the core link of voltage and power conversion，DC conv...
更多Number of views：3240 Amount of downloads：12516
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ZHANG Yunquan，CHEN Xuanang，GUO Xiaorui，WEN An，YE Run
Abstract：To address issues like overcurrent，power oscillations，and insufficient dynamic response intraditional virtual synchronous generator（VSG）control during grid voltage sags，an improved VSG- low voltageride through（LVRT）mode-switching control strategy for grid-forming inverters was proposed. The strategydynamica...
更多Number of views：3236 Amount of downloads：12157
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WANG Yuning，YANG Chengshun，HUANG Xiaoning
Abstract：In response to the poor disturbance rejection performance and issues of parameter perturbation andcontrol precision in traditional control strategies for interior permanent magnet synchronous motors （IPMSM），afuzzy sliding mode control strategy based on the super-twisting disturbance observer was proposed. T...
更多Number of views：3235 Amount of downloads：12432
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LU Xihao，QIAO Mingzhong，ZHANG Chi
Abstract: In view of the electromagnetic vibration and noise analysis of permanent magnet motor with Halbachstructure at rated power，the analytical expression of radial force wave of permanent magnet motor was established，and two kinds of main force waves which cause vibration and noise were analyzed. The main noise...
更多Number of views：3222 Amount of downloads：8071
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SUN Ke，WANG Lei，YANG Xuan，WENG Hua，SUN Yikai，ZHENG Jiehui
Abstract: How to coordinate between power grid safety，low carbon and economic costs to achieve themaximum social benefits has a great impact on the "double carbon" strategic goal put forward by Chinagovernment. Therefore，a multi-objective optimization method for elastic power grid considering resilience indexwas pro...
更多Number of views：3213 Amount of downloads：9168
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WU Tong，LI Jian，LI Guodong，LIU Lu，ZHU Liguo，FENG Minshan
Abstract: There are many elderly people with limb disorder in China，and exercise rehabilitation technology isan effective means of rehabilitation treatment. However，the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
更多Number of views：3210 Amount of downloads：12273
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FANG Lei，CHU Chengbo，ZHU Xiaojing，HE Yinghong，YANG Huimin
Abstract：In order to address the issue of large output voltage variation from self-powered current transformerin smart measurement switch，ultra wide input voltage range post-stage DC-DC module is required to generatestable system voltage rails. A ultra wide input DC-DC module based on constant on-time control and as...
更多Number of views：3204 Amount of downloads：8652
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YAN Yingshi，QIU Dongyuan
Abstract：Aiming at the interconnections requirements of power frequency（PF），low frequency（LF）anddirect current（DC）brought by the offshore wind power，a hybrid multi-frequency converter was designed basedon the nine-bridge-arm modular multilevel converter（9A-MMC），in which the diode-clamp sub-module wasselected for upp...
更多Number of views：3189 Amount of downloads：15562
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LIU Xinglong，XIE Yihan，YANG Ziyang，ZHANG Zhilong，YI Hao，ZHUO Fang
Abstract：Active power filters（APF）are widely used for dynamic compensation of power system harmonic.However，under weak grid conditions，the interaction between APF，nonlinear loads and grid impedance can easily lead to the stability issue of harmonic oscillation around the compensation frequency，resulting in the fault...
更多Number of views：3185 Amount of downloads：8286
