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LI Xinhai，LUO Qifeng，ZENG Qingzhu，ZENG Xinxiong，YAN Chao
Abstract：The detection of composite insulator defects in substations still relies on inspection by operators，which is a heavy workload and prone to leakage due to visual fatigue. To reduce the computational resourceconsumption and shorten the training time，the region convolutional neural networks（RCNN）was improved b...
更多Number of views：408 Amount of downloads：352
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LI Yajun，HE Shan，HU Bing，XIE Shaohua
Abstract：Aiming at the problems of high investment cost，low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system，the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
更多Number of views：401 Amount of downloads：625
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ZHU Changlin，TU Qunzhang，JIANG Chengming，WANG Shijiao
Abstract：The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies，a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
更多Number of views：395 Amount of downloads：332
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DONG Lizhi，ZHAI Bingcong，WANG Kaifeng，JIA Xuecui
Abstract：When multiple energy storage units are connected to an energy storage station by the powerelectronic converter，the interaction and coupling effect bring challenges to the stable operation of the system. Thesmall-signal model of the parallel storage system was established. The stability analysis was carried ...
更多Number of views：394 Amount of downloads：280
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SONG Pengfei，WANG Maxiang，YANG Guixing，LI Jichen，KANG Pengpeng，WEN Shenghan
Abstract：To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations，as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations，a two-stage robust configuration an...
更多Number of views：393 Amount of downloads：570
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QIN Gang，ZHANG Changqing，JIANG Xuejiao，ZHONG Lei，ZHOU Chaojun，WU Min
Abstract：During the operation of high-voltage DC power grid，due to factors such as load characteristics andvoltage fluctuations，the instantaneous power characteristics such as capacitor current and harmonics are morecomplex，which increases the difficulty of identifying faults in the power grid system. Therefore，a bi...
更多Number of views：393 Amount of downloads：332
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ZHAO Enlai，HU Yu，GUO Jun，SU Xinlei，LIU Pengyuan，YANG Jun
Abstract：In view of the fact that the original high-dimensional nonlinear power flow model cannot be appliedto the linear planning of distribution network，and the existing linear power flow model has the problem of weakuniversality，a calculation method of distribution network linear power flow was proposed consideri...
更多Number of views：391 Amount of downloads：331
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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：388 Amount of downloads：292
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CHEN Chen，DONG Pingxian，SONG Xiaofan，GUO Fang，QI Huanruo，DU Xiaotong
Abstract：After the distributed wind farm stations are integrated into the distribution network，due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset，the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
更多Number of views：386 Amount of downloads：304
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CHEN Sisi，LI Zhigang，ZHENG Jiehui
Abstract：The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation，poor in computability for large-...
更多Number of views：385 Amount of downloads：497
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SUN Heyu，JI Baowei，WEI Yushan，FANG Weihan，WANG Yangyang
Abstract：In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units，the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model，...
更多Number of views：383 Amount of downloads：335
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WANG Yuning，YANG Chengshun，HUANG Xiaoning
Abstract：In response to the poor disturbance rejection performance and issues of parameter perturbation andcontrol precision in traditional control strategies for interior permanent magnet synchronous motors （IPMSM），afuzzy sliding mode control strategy based on the super-twisting disturbance observer was proposed. T...
更多Number of views：382 Amount of downloads：317
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LI Juan，WEI Yalong，ZHANG Shiqian，GONG Peijiao
Abstract：A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly，a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
更多Number of views：380 Amount of downloads：501
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WAN Jiangkun，SUN Yanchao，SONG Pengyu，NIU Zenong，HUANG Wenxin
Abstract：The traditional three-loop position control applied in the servo system with elasticity causesresidual vibration around the objected position and has long trailing time. To address this issue，a mathematicalmodel of the two-inertia system was established，and the causes of low-damping of the traditional posit...
更多Number of views：380 Amount of downloads：288
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HUANG Zhaobin，ZHANG Zhijian，LONG Tan，HU Bin，LIU Wenlong，WANG Gaolin
Abstract：When the Vienna rectifier is connected to unbalanced loads operating under light load conditions，the slight power difference causes unbalanced voltage of bipolar DC bus，which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems，a DC offset reduction of neu...
更多Number of views：379 Amount of downloads：318
