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CUI Mengyu,YIN Qinglong,GUO Xudong,LÜ Tuo,HU Qifeng,LIU Zhengyan
Abstract:The VPX power standard is currently the most compatible military embedded computer standardinternationally,and its modules can stably power multiple different functional modules in the chassis. A VPXpower board based on VITA46 and VITA62 standards was designed. The design architecture,ideas,and functionsof ...
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Number of views:355 Amount of downloads:250
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ZHAO Faping,SHE Yanjie,SUN Huanyu,BU Xiangzhou,BAI Tao
Abstract:A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes,changes in DC bus voltage,disturbance addition,and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly,a mathematical model of th...
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Number of views:301 Amount of downloads:248
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HU Xiangyu,HONG Feng,SHAO Dongwei
Abstract:Switching power supply is now developing towards high-frequency soft-switching and high powerdensity,the volume of magnetic components is greatly reduced,and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background,t...
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Number of views:263 Amount of downloads:243
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ZHANG Boyu,ZHANG Xiaoli,FENG Rui,ZHANG Zhaobo,CAI Siqi ,MA Xiaoxuan
Abstract:Based on the principle of magnetic coupling resonance technology,a bilateral LCC topologycompensation network parameter design method was adopted. Firstly,the mathematical model of the main circuitof the bilateral LCC topology was analyzed,and the inductance ratio of the coil self-inductance and the seriesc...
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Number of views:374 Amount of downloads:243
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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,...
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Number of views:310 Amount of downloads:241
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ZHANG Chunxiang,LI Xin,SUN Ning
Abstract:DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device,which is used in low-voltage electricalindustry for DC products for long time delay,short time delay,instantaneous tripping test and sh...
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Number of views:435 Amount of downloads:240
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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-...
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Number of views:327 Amount of downloads:236
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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...
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Number of views:319 Amount of downloads:235
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XING Gang,LIU Huihong,WANG Bozhao,SONG Wenyang,LIU Longfei,XU Xiandong
Abstract:To address the need of carbon emission peak and carbon neutrality target on local energy systems,an optimal expansion planning method of heat pump was proposed for regional energy stations considering thebenefits from ancillary services. The method was used to support the integration of new technologies suc...
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Number of views:412 Amount of downloads:234
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LIAO Zhijun,HUANG Liying,CAO Yun,TIAN Junling,RONG Na
Abstract:In the context of dual carbon,carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
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Number of views:306 Amount of downloads:233
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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...
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Number of views:350 Amount of downloads:227
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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...
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Number of views:333 Amount of downloads:227
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LÜ Zhengyu
Abstract:The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect,an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
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Number of views:403 Amount of downloads:225
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XU Hai,MI Yanqing,WANG Yanyang,XU Zhipeng
Abstract:Permanent magnet synchronous motor(PMSM)has the advantages of fast dynamic response,highpower density,and high torque at low speed,but the temperature variation and complex working conditions willcause the variation of PMSM parameters,thus affect motor performance and reduce the output efficiency. Toaddress...
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Number of views:364 Amount of downloads:224
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YUAN Shaowei,LI Yuxiang,JIANG Jie,ZHANG Bei,ZHU Qing
Abstract:In order to solve the problems of intermittent and fluctuating distributed energy,took three majorphysical entities in the demand response project,namely system operator,load aggregator and load end user,as the research object,the transactions between supply and demand within the power system composed by the...
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Number of views:428 Amount of downloads:224