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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：3051 Amount of downloads：1233
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YANG Fan，HUANG He，LI Haiying，LI Dongdong，ZHAO Yao
Abstract: There are a lot of equipment operation rules in power equipment defect text，which can be mined bynatural language processing technology to provide guidance for equipment maintenance. Aiming at this situation，a defect text mining method based on enhanced representation through knowledge integration（ERNIE）pr...
更多Number of views：3036 Amount of downloads：1261
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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：2950 Amount of downloads：1197
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KONG Fanting，WANG Yang，YANG Hao，CHEN Jian，LU Lin
Abstract: High-voltage/low-voltage prefabricated substation is short for“box substation”，its nature of savingenergy has been widely researched. The research have been from choosing components to optimizing structure. Agreat of improved products have swarmed into market. But there is neither a set of method to test l...
更多Number of views：3014 Amount of downloads：1171
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REN Wei，ZHAI Bohao，PENG Weisong
Abstract: With the improvement of computer operation level，data-driven technology is widely used inmetallurgical industry. Accurate prediction of rolling force is helpful to shorten the length of strip head and tail andimprove the yield of strip. In order to solve the problem of low prediction accuracy of data-drive...
更多Number of views：2994 Amount of downloads：1271
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ZHANG Mao，CHENG Wenming，QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time，low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
更多Number of views：3120 Amount of downloads：1379
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SHEN Gaobo，LIU Xu
Abstract: A variable flux reluctance machine（VFRM）control system based on the excitation current controlof a single leg was proposed. Compared with the VFRM control system based on the H-bridge which controlling theexcitation current，fewer switch devices were used，in which the cost of the inverter was reduced while ...
更多Number of views：3290 Amount of downloads：1392
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HE Wendan, LI Xiaohua, ZHAO Rongjian, FENG Anhui
Abstract: The main vibration of interior permanent magnet synchronous motor（IPMSM）with integer slot multipole pair for electric vehicles is the vibration at 0-order and 2p-order natural frequencies, which are generally believed to be caused by the spatial electromagnetic force waves of 0-order and 2p-order. In order...
更多Number of views：5740 Amount of downloads：3734
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LIN Bin，SHAO Haoshu，WANG Xiaohe，LI Hongke，CAI Xu
Abstract: With the increasing scale of wind farms，large scale wind farm is gradually shifting from onshorewind farm to offshore wind farm，squirrel cage induction generator（SCIG），which is the main type of offshore wind farm，has become the main research object of offshore wind farm dynamic characteristics. In order to...
更多Number of views：3114 Amount of downloads：1358
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YOU Hao，SHI Hengchu，YANG Yuanhang，LI Yinyin，ZHU Qingcheng，XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages，AC/DC current signals with different input currents and high sampling rate，an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
更多Number of views：3153 Amount of downloads：1291
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FAN Zhenning，SU Qiang，ZHANG Xinmin，ZHAO Changwei，XU Ke
Abstract: The control strategy of flexible multi-state switch（FMS）is a key technical challenge to ensure its highefficiency，reliability and flexibility. In order to solve the problems that the parameter design of proportional resonant （PR）controller is complicated and is greatly affected by grid frequency disturbanc...
更多Number of views：3204 Amount of downloads：1248
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ZHANG Tingting，ZHAO Jinbin，DENG Ping，QU Keqing，ZHANG Junwei
Abstract: Aiming at the problems of low input voltage and high demand on driving voltage frequency andamplitude of the traffic sign power supply using smart electroluminescent（S.E.L）technology，a high rise ratio highfrequency inverter drive circuit based on the cascade connection of the Boost circuit with soft switch...
更多Number of views：3361 Amount of downloads：1437
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WANG Fenglian，WEI Zhengyi，ZHOU Mingzhu，CAO Yichang，HAO Yangyang，DING Xinping
Abstract: Aiming at the deficiency in boost capacity of the traditional booster circuit，a new type of coupledinductance high-gain DC-DC converter（Fibonacci switch capacitor-Y sources DC-DC converter，FSCYS）was proposed. Using sliding mode variable structure control with superior dynamic response performance and robus...
更多Number of views：3094 Amount of downloads：1365
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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：3050 Amount of downloads：1190
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ZHANG Chao，QIU Han，LI Zhe，LIU Bochang，Zhang Baoshun，LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system（ESS）was proposed，which canmake all power converter systems（PCSs）entered off-grid mode smoothly and quickly in MW level battery energystorage power station，and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
更多Number of views：3115 Amount of downloads：1232
