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MA Junchao，WANG Chenxu，SUN Dan，PENG Yan，ZHANG Zeyu，YANG Ying
Abstract：In response to the potential frequency secondary drop problem of direct-drive wind power systemsin the scenario of continuous frequency drop faults in the power grid，the principle of primary frequency regulationof direct-drive wind power systems was analyzed. A primary frequency regulation control strategy ...
更多Number of views：507 Amount of downloads：503
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KAN Chaohao，YAO Xiaojian，QI Ankang，WANG Zhisheng， WANG Pengcheng，CHEN Gong
Abstract：Three-phase asynchronous motor is one of the most frequently used motors. Inter-turn short circuitfault is a kind of fault with high probability. If the real-time monitoring of motor operation，health and safetyevaluation of the operation，will be able to timely stop losses，reduce losses. An inter-turn fault ...
更多Number of views：582 Amount of downloads：503
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ZHANG Xuyang，ZHANG Maosong，WANG Xiuqin，CHEN Zhong，WANG Qunjing
Abstract：In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply，which is not conducive to controllable andstable power supply，and low energy utilization，a combined DC circuit breaker energy supply metho...
更多Number of views：517 Amount of downloads：502
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ZHOU Yi，FANG Wei，GONG Min，XIA Xuesong，CHEN Yanling，HAN Ni
Abstract：Despite bringing several benefits to modern power systems，distributed generation（DG）andmicrogrids cause a significant impact on the operation of power distribution networks，especially with regard to theprotection system. In this new scenario，the adoption of smart protection systems capable of incorporating ...
更多Number of views：689 Amount of downloads：502
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DING Chaohui，YAO Fei，JANG Jun,GAO Ang，SHAO Gao
Abstract：The traditional predictive current control for three-phase LCL grid connected inverters has theproblems of large steady-state ripple and unstable switching frequency，which is not conducive to the quality of grid connected current and the design of filters. Therefore，an improved three vector fixed frequency ...
更多Number of views：455 Amount of downloads：497
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CHEN Xuling，LIU Cheng，XU Xinwei，DONG Shuo，TIAN Ting
Abstract：Taking the planar rotation mechanism as an example，a magnetic coupling wireless powertransmission system was designed and studied from two perspectives：the spatial structure of the coils and theresonant compensation circuit. This system aimed to reduce the voltage fluctuations caused by significant changesi...
更多Number of views：664 Amount of downloads：496
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FAN Peilin，HU Pengtao，XUE Jianli，LIU Zheng，HUANG Jinming
Abstract：Voltage source converter （VSC） is prone to low-frequency oscillations of 100~101Hz whenconnected to weak AC power grids. The mechanism of improving the control strategy of VSC on the traditionalinverter side to suppress low-frequency oscillations（LFO）in the AC power grid is to transfer the oscillations from...
更多Number of views：436 Amount of downloads：493
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SHI Kun，CHEN Songsong，CHEN Xuejie，CHEN Zhaorui，YAN Huaguang，WU Yingjun
Abstract：New energy has obvious volatility and anti-peak-shaving characteristics，and the integration of largescale new energy into the power grid poses challenges to the peak-shaving. Hydrogen energy has a good potential for application as a potential peak-shaving resource. A multi-time scale peak-shaving scheduling...
更多Number of views：659 Amount of downloads：483
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ZHOU Jun，XIAO Yuanbing，YAN Huamin，LU Jingjing，XU Tiefeng，ZUO Fanglin
Abstract：In order to improve the power coordination ability among microgrids in the microgrid group，it isnecessary to consider the correlation between renewable energy generation output and the difference in load timedistribution in different regions in the microgrid group planning. A scenario generation method that...
更多Number of views：601 Amount of downloads：482
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YANG Zhaohui，WEI Huadong，HE Liuqing，ZHANG Hao，PENG Guoping，SHI Ben
Abstract：Aiming at the problem of large switching loss of modular multilevel converter（MMC），startingfrom the switching frequency optimization strategy，the existing switching frequency optimization strategy wasimproved，and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
更多Number of views：457 Amount of downloads：481
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SI Dajun，WANG Jie，SHU Banggui，ZHANG Guangbin，SHU Hongchun
Abstract：The load of a submerged arc furnace has many advantages，such as large single-unit regulationcapacity，good communication conditions，easy control，and low economic retrofitting，making it an importantflexible regulation resource for the power grid. However，there is currently a lack of effective digital simulati...
更多Number of views：486 Amount of downloads：473
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JI Liang，XU Jun，GUAN Ya，CUI Jingxia，HE Jie，PAN Yihang
Abstract：The three-core underground cable in the distribution network works in a harsh environment. Due tothe influence of aging，external force，high temperature and humidity，the insulation of long-term live operation iseasily damaged and causes faults. Aiming at the single-phase grounding fault of cable in distribut...
更多Number of views：397 Amount of downloads：472
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LI Jiayu，HAN Yuan，WANG Jianjun，PAN Yue
Abstract：Modular multilevel matrix converter（M3C）is a multilevel topology that can directly realize ACACconversion，which has good application prospects in high-voltage transmission systems and DC distributionsystems，but the existence of bridge-arm circulating channels inside the M3C leads to a very complex controlst...
更多Number of views：647 Amount of downloads：472
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WU Han，HUANG Xinghua，QIAO Zhendong，FAN Yuanliang，ZHU Junwei，CHEN Jinyu
Abstract：Accurately estimating the state of health（SOH）of lithium-ion batteries is a crucial prerequisite forensuring the safe and stable operation of energy storage systems. The key to improving the accuracy of SOHestimation lies in the rational selection of health characteristics that can effectively reflect the s...
更多Number of views：667 Amount of downloads：466
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ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：495 Amount of downloads：462
