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GONG Xuanlin，WANG Junyan
Abstract: In view of the problem that the commutation error of brushless DC motor is difficult to accuratelymeasure during variable speed operation，the relationship between the integral of line voltage difference and themotor rotation angle was analyzed，and it was proved that the integral value of the line voltage d...
更多Number of views：1987 Amount of downloads：2109
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ZHAO Jingjing，CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high，and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
更多Number of views：1969 Amount of downloads：3036
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MA Bingtai，LIU Haitao，HAO Sipeng，LU heng，ZHANG Chengyu
Abstract: In photovoltaic and hybrid energy storage system，variational mode decomposition（VMD）iscommonly used to realize the distribution of system residual power，but the number of decomposed modes andsecondary penalty factor value affect the error of power reconstruction directly，and the inertia weight error ofcomm...
更多Number of views：1963 Amount of downloads：3144
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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：1962 Amount of downloads：4074
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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：1932 Amount of downloads：3673
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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：1929 Amount of downloads：4365
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LI Wei，LUO Cheng，YANG Kai，WANG Xuming，QIU Lingfeng，HUANG Yuhao
Abstract：When the permanent magnet assisted synchronous reluctance motor（PMaSynRM）runs at highspeed with flux-weakening control，the DC bus voltage utilization is not high，and the efficiency and torque output capacity of the motor are low. Therefore，a flux-weakening control strategy of permanent magnet assistedsynchr...
更多Number of views：1922 Amount of downloads：3347
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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：1916 Amount of downloads：4065
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LIU Zhongmin，ZHAO Danyang
Abstract: Non-invasive load monitoring monitors the working status of each electric equipment by installingan intelligent meter at the main power interface，aiming to collect and analyze users' power consumptioninformation in real time. According to different characteristics of household user load change in power...
更多Number of views：1909 Amount of downloads：2628
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WAN Xiaojian，WAN Zibo
Abstract：A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point，the relationship between the virtual neut...
更多Number of views：1897 Amount of downloads：2978
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ZHANG He，CAO Tianbi，LI Xianyun
Abstract: In view of the complex transient characteristics of short-circuit faults in DC power network and thedifficulty of fault identification，the short-circuit faults in DC power network can be identified by detecting the change of capacitance voltage through the analysis of the VSC topology and switch characteri...
更多Number of views：1895 Amount of downloads：2240
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LI Zhen，ZHAO Pengxiang，WANG Nan，CONG Lin，WANG Huiyuan，CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system（HEC-IES），reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus，a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
更多Number of views：1887 Amount of downloads：2740
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GU Jiming，SONG Yunting，LIU Xinyu，ZHU Shaoxuan，LEI Yu，ZHANG Tongzun
Abstract：Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization，in order to effectively reduce the risk of largescalepower outages in power grid，it is necessary to build a secure and reliable comprehensive defense system toen...
更多Number of views：1869 Amount of downloads：3408
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CHEN Shaoxia，JIN Xinru，YAO Gang，ZHANG Jiajie，FAN Jia
Abstract：In recent years，with the increasing shortage of energy，the ship power system is transitioningtowards new energy upgrading. However，the uncertainty of new energy output has also brought new challenges tothe economic and safe operation of the system. Therefore，traditional ship energy management is no longerap...
更多Number of views：1864 Amount of downloads：2680
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SHI Dongsheng，WANG Tao，QIU Shuming，WANG Wenguang，WANG Yubo
Abstract: Application of TAC1 series high performance high power inverter products of Tianjin ElectricResearch Institute on 20-high reversible mill was introduced.The common DC bus multi drive system consists ofactive infeed converter and inverter. Firstly，the device selection of the system and the calculation of tra...
更多Number of views：1856 Amount of downloads：4410
