MTPA Control Strategy Considering Position Estimation Error for
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ZHANG Guoqiang，NIU Ben，YANG Hua，WANG Gaolin，XU Dianguo
Abstract: Maximum torque per ampere（MTPA）control is one of the important methods to improve theefficiency of sensorless drive system of permanent magnet synchronous motor（PMSM）. In the sensorless drivesystem，the traditional calculation method deduces the analytical solution of the optimal current vector angleaccordi...
更多Number of views：743 Amount of downloads：603
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ZHANG Guoqiang，LI Rundong，HUANG Yuanming，DING Dawei，WANG Gaolin，XU Dianguo
Abstract: Supply interruption may occur during the operation of permanent magnet synchronous motor（PMSM）in some special applications and it needs to be restarted in the rotating state which is called flying start，the accurate initial position/speed observation is the foundation of flying start. Aiming at the problem...
更多Number of views：938 Amount of downloads：498
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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：715 Amount of downloads：515
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YUAN Minxin，YIN Zhonggang，LUO Peien，ZHANG Yanqing
Abstract: To address the problem of the long detection time of the current detection method during the opencircuit fault diagnosis of inverter insulated gate bipolar transistor（IGBT）of the permanent magnet synchronousmotor（PMSM）drive system，an error current polarity method based on model predictive current control（M...
更多Number of views：760 Amount of downloads：554
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LIU Huichen，LI Zhen，SU Weifeng，YUWEN Bo，LI Haitao，ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems，speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition，long cable increases the stator sideimpedance of the induction motor，especially the equivalent stator resistance by an order of magnit...
更多Number of views：663 Amount of downloads：527
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YANGYifan，YIN Han，LU Zhiye，YU Xueying
Abstract: In order to solve the problems of large volume and short service life of the traditional electrolyticcapacitor frequency converter，the thin film capacitor was used to replace the electrolytic capacitor to constitute theAC-DC-AC frequency converter without electrolytic capacitor. Aiming at the problem of bu...
更多Number of views：712 Amount of downloads：770
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LIU Kai，LI Gang，WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility，a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated，and the optimal brakin...
更多Number of views：655 Amount of downloads：564
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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：596 Amount of downloads：604
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YUE Xuelei，WANG Lei，TIAN Di，XU Kelei
Abstract: Permanent magnet synchronous motor（PMSM）has become the development direction of the newgeneration of rail transit traction system due to its characteristics of high efficiency and high power density. Amongthem，the research on the identification method of the initial position and frequency of the motor roto...
更多Number of views：652 Amount of downloads：378
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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：498 Amount of downloads：556
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LIU Dong
Abstract: Focus on the stator winding insulation and voltage oscillation of variable frequency motor，thetransition process of the pulse voltage output by the frequency converter in the transmission path of stator windings，frequency conversion cables，reactors，etc was analyzed，the voltage equivalent mathematical model...
更多Number of views：540 Amount of downloads：439
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LIU Erhao，WANG Junqing，QIAO Lili
Abstract: Permanent magnet synchronous motor（PMSM）driving stable platform directly is often used inguided rockets to realize the decoupling control of stable platform. Due to the extended state observe（ESO）contained in the active disturbance rejection controller（ADRC），it can accurately estimate the speed of the rota...
更多Number of views：507 Amount of downloads：334
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TIAN Jiabin，YANG Chuanjiang，LI Junda，GU Jiateng，ZHANG Zhenbin
Abstract: The doubly-fed induction generator（DFIG）is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine，it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control（MPC）is an effective method for...
更多Number of views：587 Amount of downloads：423
