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LUO Lan，WANG Yuhong，SONG Ruihua，BI Jingtian，CHEN Shiyu，WAN Liangbin
Abstract: In the multi terminal flexible direct current（DC）transmission system，the flexible direct inner andouter loop control can not provide inertial support for the receiving end passive network. Traditional virtualsynchronous generator（TVSG）control can provide inertia support for passive network，but it can only ...
更多Number of views：2959 Amount of downloads：1658
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GUO Peijian，JI Shiqing，LIU Juan，HE Jinwei，BAI Yang，GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system，serious imbalances can occur in the three-phase power supply system，which restricts the development of highspeed，heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
更多Number of views：2113 Amount of downloads：1656
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SUN Chuanjie，TIAN Kai，YANG Jingran，CHU Zilin，MA Jie
Abstract: A high-power high-frequency power supply was designed for test requirements of some specialelectrical equipment. In the power supply，cascaded H-bridge was adopted to form five-level topology structure，the integrated modulation method was adopted，including bipolar PWM modulation，carrier phase-shifted SPWMmo...
更多Number of views：2965 Amount of downloads：1656
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HUANG Haihong，HUANG Yuwei，LIU Xin
Abstract: Aiming at the requirements of portable DC insulation detection devices，a dynamic differencealgorithm based on single-arm was proposed，and a portable DC insulation detection and verification integratedmachine was designed based on this algorithm. The principle of the single-arm insulation monitoring system ...
更多Number of views：2730 Amount of downloads：1655
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MA Zhousheng，YAO Yang
Abstract: A novel DC current-voltage droop control method was proposed for a hybrid high-voltage directcurrent（HVDC）system composed of a voltage source converter（VSC）and a line-commutated converter（LCC）.The DC voltage droop control was used to reduce AC voltage fluctuation on the inverter side，so as to achieve thego...
更多Number of views：3724 Amount of downloads：1653
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YE Jianmin，WANG Ruoyu，LUO Hongmei，XIE Yan
Abstract: The receiving end hybrid line commutated concerter based voltage source converter（LCC-VSC）notonly has the advantages of LCC and VSC，but also adopts the structure of high-voltage valve group LCC and lowvoltage valve group three-end parallel VSC in series at the receiving end. Therefore，the receiving end hyb...
更多Number of views：2109 Amount of downloads：1647
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ZHANG Lantao，XIONG Jun，NIU Xiaonan，HUANG Xiaoyu
Abstract: Aiming at the reliability problem of high-power IGBT modules under short circuit extreme operatingconditions，the power terminals imbalanced current of IGBT modules and the resulting dynamic junctiontemperature change were comprehensively analyzed. Firstly，the current sharing characteristics of parallel ter...
更多Number of views：4029 Amount of downloads：1647
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HAN Jianfu，XIAO Chun，SONG Xiaobing，LU Jiansheng，WANG Feifei
Abstract: With the continuous advancement of China's energy Internet strategy，how to reduce the occurrenceof electricity theft has become a focus of research. The historical data of electricity consumption was processed andanalyzed，and the data of electricity consumption were processed and converted to realize t...
更多Number of views：3270 Amount of downloads：1639
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ZHANG Tingting，ZHAO Jinbin，DENG Ping，QU Keqing，ZHANG Junwei
Abstract: Aiming at the problems of low input voltage and high demand on driving voltage frequency andamplitude of the traffic sign power supply using smart electroluminescent（S.E.L）technology，a high rise ratio highfrequency inverter drive circuit based on the cascade connection of the Boost circuit with soft switch...
更多Number of views：3552 Amount of downloads：1637
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SHI Zhibo，MENG Jie，HAN Yong，LI Xueping
Abstract: Due to the application of a large number of power electronic equipments on the aircraft，the aircraftpower supply network tends to be complicated，and thus there is an urgent need to effectively evaluate the powerquality of the power supply network. In order to evaluate AC power quality of aircraft，a compreh...
更多Number of views：3849 Amount of downloads：1635
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WEN Chuanxin，ZHU Jinda，WU Di，YUN Yang，CHENG Yuan，DU Bochao
Abstract: Silicon carbide（SiC）MOSFET has great advantages in improving efficiency and power density ofinverter for new energy vehicles，due to its advantages as high frequency，low loss and high junction temperature. For the SiC MOSFET module，it is very important to study the short-circuit protection with high current...
更多Number of views：2500 Amount of downloads：1634
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YANG Zhengdong，SHI Haobo
Abstract: The tracking of the distorted current signal without static error cannot be completed by a single PIcontrol. In order to improve the quality of the grid current，a harmonic compensation method for parallel active filters under extreme loads was proposed. Create the main circuit topology of the parallel acti...
更多Number of views：3539 Amount of downloads：1625
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HE Kun，WANG Can，ZHANG Kan，CHEN Kaiping，ZHU Hanqin，FU Zhiyu，XU Lei
Abstract: In the case of asymmetric faults in high voltage direct current（HVDC） transmission system，modular multilevel converter-battery energy storage system（MMC-BESS）has a longer state of charge（SOC）balancing process，uneven allocation of resources，easy to occur over modulation and other security problems，anew SOC ...
更多Number of views：2328 Amount of downloads：1621
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YANG Chongwei，LIANG Xu，MAO Lan
Abstract: After a large-scale and high proportion of photovoltaic power generation is connected to the lowvoltage distribution network system，it will most likely cause the system power flow reversal，resulting in the out of limit voltage of each node of the system and the increase of system loss. First，using the line...
更多Number of views：3657 Amount of downloads：1620
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LIU Xiaodong，SUN Lunan，LIU Yawei，GUAN Peng，RONG Xifeng
Abstract: In order to meet the needs of the testing laboratory's task scheduling and process design functions，the new applications were developed based on the existing laboratory information management system，such asscheduling system and process designer. According to the type and priority of the test task，the t...
更多Number of views：3880 Amount of downloads：1619
