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LI Junjun，LI Zhongqi，YI Jiliang
Abstract: Shared inverter can simplify the topology of the dual machines drive system under the traditional axiscontrol mode，reduce the volume and weight of the equipment. In view of the low voltage utilization rate of a single motor in the shared inverter drive system，which leads to the shortening of the constant p...
更多Number of views：1961 Amount of downloads：1379
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SHEN Jiexin，LIU Lei，HE Dandong，LIU Zhenguo，CHU Houguang，MA Hanchao
Abstract: When the current method is used to control the DC transformer of the DC-DC converter，thecontrol efficiency is low，the immunity is poor，and the loss detection error is large. In order to solve the existingproblems，a DC transformer control method based on the SRDAB DC-DC converter was proposed. By analyzingt...
更多Number of views：2571 Amount of downloads：1378
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ZHANG Jinbo，YIN Yuan，SHI Jian，LIN Shaoyuan，YAN Lei，HUANG Xiaoyu， LIN Yubin，YANG Dishan，CHENG Nuo
Abstract: In order to reduce the measurement error of transmission line crossing distance and reduce theoccurrence rate of transmission line accidents，a method of transmission line crossing distance measurement basedon grid information model was proposed. The platform of crossing distance measurement including data ...
更多Number of views：2626 Amount of downloads：1378
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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：3221 Amount of downloads：1370
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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：3121 Amount of downloads：1366
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SONG Mingxuan，FENG Yuan，ZHANG Tian，HE Fengyou，GAO Jie
Abstract: Aiming at the lack of realtime detection methods of operation status for NPC three-level inverter，anindirect detection method was studied. In this method，the commutation process of NPC three-level inverter wasanalyzed. And according to Kirchhoff's law，the current and voltage models of three-level circu...
更多Number of views：2436 Amount of downloads：1365
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ZHAO Ruochen，MEI Baishan，ZHANG Jinwei，FU Wenbo
Abstract: Active power filter（APF）has become an important measure for harmonic control because it cantrack and compensate reactive power and suppress harmonics adaptively，dynamicly，and in real time. APF wastaken as the research object，and on the premise of verifying the differential flatness of the system，a differen...
更多Number of views：2553 Amount of downloads：1365
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LÜ Wei，WANG Han，ZHANG Jianwen，CHEN Gen，CAI Xu
Abstract: Compared with onshore wind power，the natural conditions at sea are bad and the traffic isinconvenient to maintain the wind power system，so wind power system needs to be highly reliable. The systemreliability can be effectively improved by using fault-tolerant control. A fault-tolerant control strategy by i...
更多Number of views：2960 Amount of downloads：1365
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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：3173 Amount of downloads：1365
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WANG Shijun，HAO Quan，LI Wenlong
Abstract: In view of the problems of unstable operation waveforms，high output current stress andinstantaneous fluctuation difference of load in the current sharing control of two-way DC-DC converter in flexiblesubstation，a method of independent current sharing control of two-way DC-DC converter in flexible substatio...
更多Number of views：2730 Amount of downloads：1361
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WEI Zhengyi，ZHANG Min，ZHOU Mingzhu，DING Xinping
Abstract: In practice，the parasitic parameters have a non-negligible effect on the performance of invertercircuit. The influence of the main parasitic parameters on a new type of switched-coupled-inductor quasi-Z-sourceinverter was studied. By the reasonable analysis of the influence of the parasitic parameters（para...
更多Number of views：2594 Amount of downloads：1357
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WANG Shixin，YU Bo，YUAN Yong，SI Guolei，DAI Jin，CAO Taiqiang
Abstract: Electric valve regulation requires fast response speed，high precision control，no overshoot andstrong anti-interference performance. An active disturbance rejection algorithm based on feedforward compensation was used to control the brushless DC motor（BLDC），and the position error was taken as the input of t...
更多Number of views：1502 Amount of downloads：1356
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DAI Feng，CHEN Xuan，WANG Lixian，MA Hongzhong
Abstract: Partial discharge fault diagnosis and location of gas insulated metal enclosed transmission line（GIL）is of great significance for its internal insulation protection. Because GIL is fully enclosed structure，theexisting external detection method is not sensitive to the internal defect detection，so it is unab...
更多Number of views：2180 Amount of downloads：1355
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DING Runchu，SHI Shuhuai，ZHUO Fang，WANG Feng
Abstract: The application of DC transmission and distribution network faces a variety of complex designscenarios，among which there are DC/DC conversion requirements with unipolar input and really bipolar output. The bipolar output of this application scenario can easily lead to unbalanced output voltage when the loa...
更多Number of views：2486 Amount of downloads：1351
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DAI Yanwen，YU Aiqing
Abstract: In order to improve the reliability of microgrid operation and renewable energy power absorbability，a capacity optimization allocation method of energy storage system based on improved nondominated sortinggenetic algorithm Ⅲ（ NSGA-Ⅲ ）was proposed. Firstly ，a two-layer optimization model of energy storageco...
更多Number of views：2506 Amount of downloads：1351
