Results 11 to 20 of about 15,604,227 (248)
TGA16 Type IGBT Converter for High-speed Test EMUs
The main technical parameters, power circuit principle, structure and cooling system of the TGA16 type IGBT converter employed in the high-speed test EMUs were introduced, as well as the technical characteristics of the converter.
WENG Xing-fang, LIU Da, ZOU Dang-bing
doaj +3 more sources
Auxiliary Power Supply System of CRH380A High-speed EMUs
Composition, voltage type and working principle of CRH380A high-speed EMUs auxiliary power supply system were introduced, and fault extended power supply function which influenced auxiliary power supply system reliability and redundancy was discussed, as
KANG Wei, YU Weikai, HOU Xiufang
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Test Study on Carbody Abnormal Vibration of High-speed EMUs
Carbody abnormal vibration analysis of a high-speed EMUs was researched, mainly containing the wheel tread measurements,carbody vibration on-line test, turn around running and vibration compared before and after repairing profile. The results showed that
WU Hui-chao, XU Yun, SHI Jun-jie
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Development of Permanent Magnetic Traction Motors for High-speed EMUs
High-speed EMUs were strict with the performance and reliability, such as efficiency and power density, while traditional asynchronous traction motors had little room for improvement of performances to meet the requirements of new generation high speed ...
FU Minli +5 more
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Design and Verification of New Head Type of Super High-speed EMUs
To decrease the aerodynamic drag of super high-speed EMUs, integrating high-speed EMUs head type design elements at home and abroad together, a new head type for super high-speed EMUs with speed of 500 km/h was designed.
LI Ming, LI Minggao, LIU Nan, HAN Lu
doaj +2 more sources
Application Research of ATIS On-board System for High-speed EMUs Based on RFID Technology
Through analyzing the system composition and working principle of ATIS (Automatic Train Identification System) for common speed trains, the function requirement and system constitution of ATIS on-board system for high-speed EMUs was proposed, and the on ...
WEI Yongquan +4 more
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Application Development of High-speed EMUs Resistance Force Reduction and Weight Lightening
For decreasing the train operation resistance force, key technologies of high-speed EMUs aero-dynamical design and lightweight design were studied. By the systematic analysis and optimization of the major factors to influence train operation resistance ...
DING San-san
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Energy Consumption Analysis of High-Speed Trains under Real Vehicle Test Conditions
The study collected statistics on the actual operation of national railway electric multiple units (EMUs) and compared the energy consumption of different EMU models at different speed levels.
Qing Zhang, Hongjun Yu, Xin Su, Yao Li
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Research on the Permanent Magnet Synchronous Motor Drive Systemfor High-speed EMUs
To achieve high energy-efficiency of high-speed EMUs, PMSM traction system for high-speed EMUs was developedbased on CRH380A technical platform. Overall technical parameters, traction characteristic curve design, main circuit of traction system,main ...
Feng Jianghua
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Axle Temperature Detecting System of New-generation High-speed EMUs CRH380C
Based on axle temperature detecting system structure and principle of CRH5 & CRH3 EMUs, new-generation high-speed EMUs axle temperature detecting system was developed with DSP+FPGA control system.
ZHANG Wen-zhong, HA Da-lei, WANG Qian
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