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LIU Tao，CAI Xu，SUN Guoqi，WEI Xiaobin，CAO Yunfeng，ZHANG Lingyan
Abstract: As traditional condenser is replaced by static var generator（SVG），the dynamic reactive powercompensation can be provided by SVG. However，compared with traditional condenser，SVG lacks rotational inertia.Traditional research of SVG mainly focused on reactive power compensation and fault ride-through，and ther...
更多Number of views：4450 Amount of downloads：5437
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MA Xiaolu，WANG Zhixiong，DUAN Yanmin，ZHANG Lei，WU Yi，QI Zhuoya，HOU Jue
Abstract: The significance of promote high-efficiency motor and motor system in China was analyzed bymeans of literature research，questionnaire survey and enterprise survey. Policies and measures for the promotion of high-efficiency motors and motor systems were sorted out. Conduct market research on high-efficiency...
更多Number of views：4581 Amount of downloads：5415
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CUI Yulu，SHANG Xingming，QIAN Xin，TONG Xiaoqing，ZHANG Zhiguo
Abstract：In response to the susceptibility of wind storage DC building microgrid systems to externalinterference，the DC bus is prone to instability during multi-mode switching and high-power load switching，posing a serious threat to the safe and reliable operation of electrical equipment. A large-signal simplified m...
更多Number of views：1631 Amount of downloads：5287
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ZHOU Hanying，LIANG Junyu，YANG Jiaquan，GAO Jing，YUAN Xingyu，JIN Xiaolong
Abstract：New energy power generation has strong volatility and randomness，and its large-scale gridconnection seriously affects the stable operation of power grid frequency. The new generation of power system alsorelies on communication network for data transmission，which will consume a lot of network resources and i...
更多Number of views：1266 Amount of downloads：5286
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WANG Hao，LIU Naisuo，MENG Chao，FAN Ronggui，GONG Junlin，GAO Lianyan
Abstract：In order to solve the problem that the electrical cabinet of the original production and injectionsystem in the same well has a low intelligence level and cannot realize remote monitoring，diagnosis，restart andmaintenance through the network，an intelligent control software for production and injection in the...
更多Number of views：1438 Amount of downloads：5252
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ZHAO Weicheng，MA Haoyuan，HUANG Jinming，CAO Xin，KE Xingsi
Abstract：Voltage source converter（VSC）working as the interface of new energy stations connects to urbanmain network with long-distance AC line，which results a weak grid connected condition and has a risk of DCvoltage instability. To analyze the mechanism of DC voltage instability of weak grid connected VSC，a DC volt...
更多Number of views：1113 Amount of downloads：5217
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CHE Zihang，WU Jiahui，WANG Weiqing，ZHANG Hua，YANG Jian，PEI Yufeng，ZHANG Jingang
Abstract：To further improve the economy of integrated energy system（IES）capacity allocation，an IESoptimization configuration model based on supply-demand collaborative response was proposed，aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all，based on thecharacterist...
更多Number of views：1390 Amount of downloads：5206
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LIU Naisuo，ZHANG Xingang，MA Lei，CHEN Xiuqin，YAO Hailong，MA Songyuan
Abstract: The reform project of a test bench is mainly used for the test of main reducing tension bearing，and the test instrument is equipped with the function of applying load and speed. During the trial，the traditional single closedloop control can not meet the test requirements. In order to complete the experimen...
更多Number of views：2680 Amount of downloads：5197
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LAI Yongbo，LU Jun，LI Huarong
Abstract: To deal with the mould quantitative casting over-pouring and spillage，based on the analysis of thetechnological process and the control characteristics for a kind of auto molten bucket casting mechanism，under the condition without depending on system concrete models，a three stages casting was proposed to r...
更多Number of views：2284 Amount of downloads：5121
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LIN Xin，GAO Xiang，XIE Zhen，XU Kebao，ZHANG Xing
Abstract: With the increasing proportion of wind turbines，the characteristics of low inertia and weak dampingpower grid become more obvious，which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in wea...
更多Number of views：3879 Amount of downloads：5117
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MA Xiaoliang
Abstract: Pump-turbine units are kind of hydropower facilities with both pump and power generation abilities，they are used mainly in pumped-storage plants and also in water-managing projects. Conventional units operate withfixed-speed. To make power control quick and flexible and to extend operation ranges of turbine...
更多Number of views：5478 Amount of downloads：5108
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HUANG Xinbing，DENG Xinglong，LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency，poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea，a kind of automaticequipment for multi-tin box supporting sleeve film was proposed，which integrated application of program...
更多Number of views：1535 Amount of downloads：5099
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LIU Tong，YIN Zhonggang，BAI Cong，YUAN Dongsheng
Abstract: In order to improve the position sensorless control performance of permanent magnet synchronouslinear motor（PMSLM），a position sensorless control method based on disturbance compensated flux observer（DCFO）was studied. This method treats the notch filter as a disturbance observer and combines it with a feedb...
更多Number of views：2032 Amount of downloads：5075
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HU Junhua，WEI Huabing，FUYinfang，QIAOMin，GAO Baolong
Abstract: The safety monitoring of existing ultra-high voltage direct current（UHVDC）converter stationsmostly adopts manual on-site detection，which presents major safety hazards and high labor costs. In order to meetthe safety needs of the power transmission system，a multi-angle joint monitoring system was designed f...
更多Number of views：1590 Amount of downloads：5060
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CAO Xinping, YIN Zhonggang, ZHANG Yanping, ZHANG Yanqing
Abstract: Aiming at the problems of chattering and poor observation accuracy of traditional full order slidingmode observer (FSMO), a sensorless control strategy of interior permanent magnet synchronous motor (IPMSM)based on improved full order sliding mode observer was proposed. In this strategy, the quasi-sign func...
更多Number of views：5068 Amount of downloads：5039
