Power electronics
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YU Hui，ZHOU Shigui ，MA Feihong，ZHANG Kecheng
Abstract：Permanent magnet synchronous machines（PMSM）has serious chattering problem when traditionalsliding mode observer（SMO）is applied to low-speed operation with fixed sliding mode gain. To solve thisproblem，a full-order sliding mode observer（FSMO）with fuzzy adaptive adjustment of sliding mode gain wasproposed，whi...
更多Number of views：1587 Amount of downloads：1293
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MAYoujie，HE Xiaoyu，ZHOU Xuesong，ZHANG Chao
Abstract ：To solve the chaos problem of inverter in new energy generation system，a regulation scheme ofH-bridge inverter based on active disturbance rejection contro（l ADRC）was proposed. Aiming at the phenomenon of poor steady-state and dynamic characteristics of inverters in chaotic state，a discrete model of the in...
更多Number of views：1424 Amount of downloads：1096
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SONG Weiqiong，GUO Shuai，HAN Liu，XU Chaoqun，SONG Wei，LÜ Fengming
Abstract：In order to monitor current distribution state of parallel silicon carbide（SiC）devices in photovoltaicinverter，a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board，multiphysics simulation tool COMSOL was emplo...
更多Number of views：1406 Amount of downloads：933
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FANG Lei，CHU Chengbo，ZHU Xiaojing，HE Yinghong，YANG Huimin
Abstract：In order to address the issue of large output voltage variation from self-powered current transformerin smart measurement switch，ultra wide input voltage range post-stage DC-DC module is required to generatestable system voltage rails. A ultra wide input DC-DC module based on constant on-time control and as...
更多Number of views：1586 Amount of downloads：1129
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ZHAO Hao，LU Jinke，ZHU Yidi，ZHOU Ziniu，DU Weixi
Abstract：Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices，which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore，acc...
更多Number of views：1302 Amount of downloads：1044
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CAO Min，YU Wenjin，BAI Zeyang，YI Xin，JU Jian
Abstract：In order to ensure the minimum carbon emission and optimal power distribution of the hybridenergy storage microgrid under the constraint of carbon footprint，a distributed coordinated control algorithm of the hybrid energy storage microgrid under the constraint of carbon footprint was proposed. Based on the ...
更多Number of views：1073 Amount of downloads：1023
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GUAN Wei，DONG Lei
Abstract：Among the junction temperature monitoring methods of insulated gate bipolar transistor（IGBT），the temperature-sensitive parameter method has attracted wide attention because of its fast response speed，low cost and easy on-line detection. Previous studies have shown that the gate threshold voltage（VTH）among t...
更多Number of views：1258 Amount of downloads：1439
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WU Jiawei
Abstract：Electrically assisted manufacturing（EAM）is a promising and rapidly developing metal processingmethod.The power supply is a key sub-system for EAM，which needs to be designed properly. the model-baseddesign of a low-voltage high-current pulse power supply used for EAM was proposed based on converter-levelelec...
更多Number of views：985 Amount of downloads：828
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YUAN Yisheng，HUANG Yikun，CAO Hui，HUANG Zhimin
Abstract：A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor，it can improve the gain from thebatt...
更多Number of views：780 Amount of downloads：889
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XIA Tao，LIU Liang，ZHANG Yangfei，LIU Haitao，MENG Gaojun
Abstract：Aiming at the problem of large output voltage fluctuation and long recovery time of three-phasepulse-width modulation（PWM）rectifiers when the load changes，an improved single-neuron gradient learningcontrol strategy was proposed. Due to the poor adaptability of the traditional PI controller parameters when t...
更多Number of views：733 Amount of downloads：780
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：1069 Amount of downloads：1341
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YANG Zhenyu，WANG Wei，XU Wenzheng，ZUO Zhiling，CHEN Changqing
Abstract：The telecommunication power supply applied in 5G base stations can save energy consumption byreducing the output voltage when the equipment works in standby state. Nevertheless，frequent and rapid outputvoltage regulating of the converters is challenging. To solve this problem，the concept of partial power co...
更多Number of views：869 Amount of downloads：976
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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：800 Amount of downloads：860
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SUN Tao，WANG Tao
Abstract: The semi-bridgeless dual Boost power factor correction（PFC）circuit can obtain higher conversionefficiency without increasing common mode noise，but the return current of the input AC terminal producesadditional losses on the introduced diodes，which reduces the conversion efficiency. The replacement of diode...
更多Number of views：920 Amount of downloads：1262
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ZHOU Qun，XIA Haogang，CAI Xiyu，LIN Dong，YAN Tiesheng
Abstract：The amplitudes of strong pull-in current and hold-on current passing through the high speedsolenoid valve were regulated accurately by using hysteresis control to realize pulse width modulation of thevoltage of fast solenoid valve，the duty cycle of the current pulse passing through the high speed solenoid v...
更多Number of views：980 Amount of downloads：1534
