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HE Long，MA Jincai，ZHU Yongming
Abstract：The contact electrical contact fault of gas insulated switchgear（GIS）will affect its electricalperformance. A multi-physics coupling model of GIS contact vibration was first established to address the difficultyin diagnosing contact faults. An experimental platform for high-current detection of GIS was buil...
更多Number of views：1587 Amount of downloads：13808
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GUO Wen，HUANG Zhu，ZHOU Mingzhong，WANG Danxiang
Abstract：The excitation inrush generated when the no-load transformer is closed may appear to causeequipment failure，affect the power quality and lead to line overload and other problems，at this stage，phasecontrolled opening and closing is an effective means of suppressing the inrush，the circuit breaker closingchara...
更多Number of views：2742 Amount of downloads：13791
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YAN Yingshi，QIU Dongyuan
Abstract：Aiming at the interconnections requirements of power frequency（PF），low frequency（LF）anddirect current（DC）brought by the offshore wind power，a hybrid multi-frequency converter was designed basedon the nine-bridge-arm modular multilevel converter（9A-MMC），in which the diode-clamp sub-module wasselected for upp...
更多Number of views：2731 Amount of downloads：13771
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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：3279 Amount of downloads：13737
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SUN Lunan，ZHOU Yong，LIU Xiaodong，LIU Yawei，WANG Haoyu
Abstract：Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project，a set of test data analysis system was designed. The system includes the functions of remote test data monitoring，historical data playback，test data analysis，data predicti...
更多Number of views：3448 Amount of downloads：13640
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LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan
Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the gri...
更多Number of views：2643 Amount of downloads：13628
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HU Qingjun，CAO Xinhui，FENG Yu，ZHU Lipeng，ZHAO Wenjing，WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line，a process data control module of theprocess automation control system was provided. Through the analysis of process data，the fault location of ...
更多Number of views：2695 Amount of downloads：13617
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LI Mingbo，SUN Zhiyuan，ZHENG Kun，LIU Mosi，GAO Like
Abstract：With the increasing scale of new energy power generation and the continuous reduction of lithiumbattery cost，energy storage technology has gradually become an important supporting technology to achieve thegoal of "double carbon". However，the state of charge（SOC）of the energy storage system is too high or to...
更多Number of views：2382 Amount of downloads：13559
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LI Xinhai，FAN Dehe，MENG Chenxu，ZENG Lingcheng，YUANTuolai
Abstract: Due to various environmental factors，the relay platen status recognition needs manual inspection fora long time，and the current popular platen image recognition program requires a huge background computingarchitecture，which can not immediately obtain the verification information in the operation site，and s...
更多Number of views：2984 Amount of downloads：13517
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LI Zhenbo，DAI Linwang，LI Shaolin，ZHANG Xueguang
Abstract: At present the mainstream of doubly-fed induction generators（DFIG）control mode is the currentsource type vector control mode，which is lack of independent of frequency and voltage support ability，but the voltage source type virtual synchronous machine control method can solve the shortcomings. In order to m...
更多Number of views：4681 Amount of downloads：13495
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LU Shanshan，LI Li，LI Lin，SUN Haibo，WU Runze
Abstract：In recent years，the large-scale access of a large number of new power distribution services such asdistributed power generation，electric vehicles，and flexible load control has led to a sharp increase in the operating pressure of the power cloud master station. To this end，an adaptive resource allocation met...
更多Number of views：3074 Amount of downloads：13449
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JIN Haotian，LI Haifeng，MA Kai，TAN Lingqi，LI Jia
Abstract：For the half-bridge modular multilevel converter（MMC）bridge arm in a control cycle within theinput and removal of the submodule of the respective capacitance voltage sequence before and after the relationship of the characteristics of the same，based on the last cycle of the submodule switching state and the...
更多Number of views：2524 Amount of downloads：13382
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：3851 Amount of downloads：13365
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ZHAO Weicheng，MA Haoyuan，HUANG Jinming，CAO Xin，KE Xingsi
Abstract：Voltage source converter（VSC）working as the interface of new energy stations connects to urbanmain network with long-distance AC line，which results a weak grid connected condition and has a risk of DCvoltage instability. To analyze the mechanism of DC voltage instability of weak grid connected VSC，a DC volt...
更多Number of views：2048 Amount of downloads：13321
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ZHU Jin，JIANG Ye，ZHONG Chonglei，XU Weihe，MAO Feng，DAI Yongzheng
Abstract：The resilience capacity of farm distribution networks primarily stems from distributed generators，such as photovoltaic and biogas systems，to withstand disturbances and facilitate load recovery as microgrids during system failures. However，the dynamic characteristics of distributed generators and the cascadi...
更多Number of views：1953 Amount of downloads：13314
