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GUO Jiahao，YANG Xiong，FANG Xin，LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment，the detection efficiency ofthe traditional primary and secondary equipment testing method is very low，and it is no longer suitable for the new fusion switch equipment testing. In view of this，an integrated testing scheme for primary and s...
更多Number of views：2352 Amount of downloads：6804
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ZHANG Jinbo，YAN Lei，SHI Jian，HUANG Xiaoyu，YANG Dishan，YAN Tongyu
Abstract: A large number of voltage fluctuations will occur in the grounding process of optical storage DCmicrogrid，which has a bad impact on the stability of microgrid power signal. Due to the poor voltage disturbancesignal capture ability of the present optical storage DC microgrid grounding anti-interference tech...
更多Number of views：3306 Amount of downloads：6754
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YAN Kun，GAN Jingfu，LIU Hongshun，SUI Yizhen，HE Pengkang
Abstract：A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline，so as to realize the more precise prediction of the transformertop oil temperature（TOT）. Firstly，the characteristics of the transformer TOT model and the ext...
更多Number of views：2135 Amount of downloads：6744
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LI Li，PANG Shengyang，ZHONG Ronghao，HUANG Qingdan，ZHANG Liping，ZHANG Yachao
Abstract：With the increase in electricity demand，the rising maintenance costs of substation projects have putpower grid companies under huge market pressure. Traditional cost methods cannot meet the needs of modernmarkets，so the construction of intelligent cost calculation models is the key to realize the modernizat...
更多Number of views：1504 Amount of downloads：6701
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LI Weiye，GONG Yifan，XU Wei，LUO Yinglu，HE Mingjie
Abstract: As a new type of compressor，linear compressor has the advantages of high efficiency，smallvolume，low noise and little vibration. However，in order to give full play to its advantages of high efficiency，it isnecessary to control the driving frequency to track its mechanical resonance frequency. According to t...
更多Number of views：2211 Amount of downloads：6689
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XU Yang，YUAN Hang，ZENG Haijian，ZHANG Mingmin
Abstract：With the rapid development of new distribution networks，an increasing number of fluctuatingcomponents such as distributed generation，electric vehicles，and photovoltaic systems are being integrated. Thisnecessitates the widespread deployment of distributed energy storage systems to ensure the secure and reli...
更多Number of views：1335 Amount of downloads：6641
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ZHANG Hengrong，ZHENG Youzhuo，DUAN Liwei，LONG Zhi，WENG Di
Abstract：Aiming at the problem of peak-valley difference increase and voltage violation caused by large-scalefluctuation of network power in multi-time sections under high-proportion photovoltaic distribution network，apeak-shaving optimization strategy based on feeder load power control and multi-type resources was ...
更多Number of views：1181 Amount of downloads：6622
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WU Zhiheng，LIU Aimin
Abstract: The motor actuator used in circuit breaker has the advantages of simple structure，small dispersal ofaction and strong controllability，which provides the possibility for the switch contact of circuit breaker to followthe preset reference curve. The traditional control method can not adjust the parameters ac...
更多Number of views：2414 Amount of downloads：6599
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TIAN Zhidan，YU Xiang，WAN Haibo
Abstract：In order to solve the problems of high subjective misjudgment rate and low efficiency in manualhand touch and auscultation methods for acoustic quality detection of micro motors，while taking into account theaccuracy of detection results and the fast construction of detection models，a small sample machine le...
更多Number of views：1970 Amount of downloads：6491
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HUANG Licai，YANG Xu，ZHANG Jing，LUO Chuanxian，CHEN Jia，ZHANG Guozhi
Abstract：In view of the frequent occurrence of omissions and false alarms of partial discharge insulationdefects in on-site gas insulated switchgear（GIS），the partial discharge multi-source detection test platform was built by using true GIS to carry out the intermittent discharge test of metal contamination defect o...
更多Number of views：1923 Amount of downloads：6463
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LIU Hao，WEI Lixin，YOU Lichun
Abstract: Due to the particularity of its application，offshore drilling rig has higher requirements for thestability and control accuracy of the control signal. Aiming at the situation that the signal in the electronic controlsystem of offshore drilling rig is greatly disturbed by noise，a PID control signal optimiza...
更多Number of views：2382 Amount of downloads：6394
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LIU Zhijian，ZI Chao，LI Pengcheng，GUO Cheng，LIU Jie，HUANG Wei
Abstract: Aiming at ultra-low frequency oscillation in power system caused by hydraulic turbine governingsystem，an additional damping control strategy for governing side was developed. Firstly，according to the damping torque method，the negative damping generated by the hydraulic turbine governing system was regarded...
更多Number of views：2517 Amount of downloads：6366
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LIU Jinwei，ZHOU Jie，LI Chuan，XIAO Xiao，WU Huicheng
Abstract：In order to improve the accuracy of intelligent diagnosis of reactor mechanical fault，according tothe correlation characteristics between reactor vibration signal and mechanical state，a vibration diagnosis methodof reactor mechanical fault based on stacked auto-encoder（SAE）was proposed. Firstly，the original...
更多Number of views：2091 Amount of downloads：6316
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LI Wei，LI Yingqi，HOU Leihao，LI Junpeng，LIU Dejian
Abstract：The main circuit faults of the four-quadrant rectifier and the corresponding influences were analyzedand summarized，focusing on the analysis of the voltage and current parameter equations in the pre-chargingprocess of the intermediate DC link，and the estimation method of the converter input current and the ...
更多Number of views：2094 Amount of downloads：6295
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ZHOU Wei，JI Yuan，JIA Ting，GU Xihua，QIN Yi，BI Sibo
Abstract：In order to ensure the security of embedded-based distributed photovoltaic system data，a lightweight encryption algorithm was proposed on the basis of 128-bit advanced encryption standard（AES）for the problem of limited embedded computing resources. Firstly，the AES round function was optimized to reduce the n...
更多Number of views：2675 Amount of downloads：6186
