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CHEN Weikang，WANG Haixin，ZHANG Zhiyong，CHEN Zhenyu，SHEN Jie
Abstract：Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine（PMSM），therefore，it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current c...
更多Number of views：2032 Amount of downloads：4419
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CHEN Ya′ai，HONG Yinan，ZHOU Jinghua，ZHAO Junwei
Abstract: Cascaded energy storage power conversion system is widely used in high voltage and large capacityoccasions，it plays a role of peak shaving and valley filling for power system，its control strategy directly affects theperformance and reliability of energy storage system. Therefore，in recent years，the research...
更多Number of views：5361 Amount of downloads：4409
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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：3425 Amount of downloads：4408
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ZHANG Jie，CHEN Qiang，LUO Yuanfeng，QIN Jiming，WEI Juren，WU Beixing
Abstract：Power cable is an important carrier of power transmission. To solve the problems of low accuracyand large computation in voicing diagnosis with traditional convolutional neural network model，a novel cable faultdiagnosis method based on multiple voicing features and lightweight convolutional neural network w...
更多Number of views：1039 Amount of downloads：4404
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OU Zhixin，LI Jixia，DENG Chunlan
Abstract: The reliability and stability of electric energy transmission in the power grid are the guarantee ofdriving safety，due to the impact of external interference fluctuations and current arcs on the power grid structure，its parameter acquisition and dynamic modeling become difficult. Firstly，the characteristic...
更多Number of views：1740 Amount of downloads：4402
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WANG Chunhui，QU Xiaowei，WANG Mingyue，HAN Song，LI Teng
Abstract：In order to improve the debugging and fault monitoring and analysis capabilities of inverterproducts，the design scheme of network version process data acquisition and analysis software was proposed.Thecomposition and implementation of the software system were discussed，and the technical means such as multit...
更多Number of views：1659 Amount of downloads：4396
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HU Changsheng，LI Yang，SHAN Qiang，LIU Hui
Abstract: The fault-tolerant control of active power filter（APF）has component redundancy，which leads to the increase of fault-tolerant control error，the decrease of execution efficiency and fault-tolerant rate. Aiming at these problems，a fault-tolerant control method ofAPF based on component redundancy was proposed....
更多Number of views：4703 Amount of downloads：4378
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LI Xuhui，XIE Baihuang，HUANG Xiaoyong，XUYan
Abstract: The collector line short-circuit fault is one of the most common faults for the grid-connected doublyfed wind farms. Because the introduction of the crowbar discharge resistor，after the unsymmetrical faults of the collector line，the positive and negative sequence impedances of DFIG will produce the differe...
更多Number of views：4572 Amount of downloads：4370
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ZHU Changlin，TU Qunzhang，JIANG Chengming，WANG Shijiao
Abstract：The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies，a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
更多Number of views：1618 Amount of downloads：4363
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CHENG Jin，PAN Zhixuan，CHENG Haifeng，DAI Mingli，HUANG Minli
Abstract: With the continuous improvement of the penetration rate of wind turbines，in order to suppress thevoltage/frequency fluctuations of the doubly-fed induction generators（DFIGs）after grid-connected due to their own active power output fluctuations，aDFIGinertia support and primary frequencymodulation control ba...
更多Number of views：3533 Amount of downloads：4359
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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：1597 Amount of downloads：4353
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QIU Shuming，ZHAO Bin，CHEN Kuilin，CHEN Zhibin，LI Chao
Abstract：An anti-interference domestic variable frequency multi-drive system solution for the five-standcontinuous cold rolling line in the steel strip cold rolling field was presented. Firstly，the mechanical equipmentand rolling process of the 900 mm five-stand continuous rolling line was introduced，and matched the...
更多Number of views：1330 Amount of downloads：4351
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NIU Qian，ZHANG Dong，WANG Junlong
Abstract: Aiming at the problems of uneven power distribution and poor stability of grid AC/DC microgrid，anew adaptive coordinated control strategy was proposed to improve the stability and power distribution accuracy ofAC/DC microgrid（MGs）system.First，for converters connectingAC microgrids and DC microgrids，a contr...
更多Number of views：4714 Amount of downloads：4350
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FU Xuhui，FANG Chun'en，XUE Tao，HUANG Leichao，CHEN Junping
Abstract: In order to ensure that the thyristor valve body can be accurately conducted during the solid state switch switching，a solid state switch trigger control unit was designed. Firstly，the structure and working principle of the solid state switch and the structure and function of the trigger control unit were ...
更多Number of views：4887 Amount of downloads：4345
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ZHANG Hannian，ZHANG Tao
Abstract: The key of stable suspension of bearingless permanent magnet synchronous motor is the closed-loopcontrol of rotor radial position displacement. Usually，the high performance suspension operation of the motor relies on displacement sensor，which destroys the robustness of the motor structure and hinders the lo...
更多Number of views：5070 Amount of downloads：4345
