Results 1 to 10 of about 490 (209)

Study on the technologies development trend of high speed EMUs

High-Speed Railway, 2023
High speed railway technologies are rapidly development in the world. The total distance of the high speed railway is more than 40,000 kilometers in China, and many types of high speed Electrical Multi-Units (EMUs) are operated.
Chunfang Lu, Zunsong Ren, Chengxian Ma
doaj   +4 more sources

High-Speed EMUs: Characteristics of Technological Development and Trends

Engineering, 2020
Hongwei Zhao, Jianying Liang, Changqing Liu   +2 more
doaj   +4 more sources

Convolutional Neural Network-Based Pattern Recognition of Partial Discharge in High-Speed Electric-Multiple-Unit Cable Termination [PDF]

Sensors
Partial discharge detection is considered a crucial technique for evaluating insulation performance and identifying defect types in cable terminals of high-speed electric multiple units (EMUs).
Chuanming Sun, Guangning Wu, Guixiang Pan, Tingyu Zhang, Jiali Li, Shibo Jiao, Yong-Chao Liu, Kui Chen, Kai Liu, Dongli Xin, Guoqiang Gao   +10 more
doaj   +2 more sources

Analysis of High-speed EMUs Noise Source

机车电传动, 2015
To improve riding comfort and optimize noise insulation design for high-speed EMUs, the noise source was analyzed, and noise value of high-speed EMUs typical position passenger room was introduced.
XU Li, WANG Zhichun, ZHOU Jianfeng
doaj   +1 more source

Research on High-speed EMUs Lateral Stability

机车电传动, 2019
The lateral stability of high-speed EMUs is related to passenger comfort and even safety. Summarizing the experience of high-speed railway operation in recent years, the mechanism, influencing factors and solving measures of lateral stability of high ...
Chuang LIU, Tao LIU, Qingli HAN, Jun FAN, Liang DUAN   +4 more
doaj   +1 more source

Application Development of Cylindrical Roller Bearing for High-speed EMUs

机车电传动, 2018
Aiming at the problems of tapered roller bearings applied in high-speed EMUs in our country, such as bearing grease leakage, abnormal temperature rise, and stripping, using forward design concept, combined the technical characteristics of cylindrical ...
LI Guodong, ZHAO Wenxue, HAN Qingli
doaj   +1 more source

Service Performance Tracking Research on High-speed EMUs

机车电传动, 2017
Along with the operation of more passenger dedicated lines, the service environment of domestic high-speed trains becomes more complex, which brings new challenge to the safe and reliable operation of China high-speed trains.
BAI Yanchao, AN Chao, LI Minggao, LIN Jianhui, LI Qiang   +4 more
doaj   +1 more source

Traction System Design of High Speed Test EMUs

机车电传动, 2012
The traction system of test EMUs used for performance and high speed test was based on asynchronous AC motor and satisfied with EN standard. Technical parameter design on system structure and critical components of the traction system were analyzed and ...
XU Guang-wei
doaj   +1 more source

Sensors Burned Cause Analysis of High-speed EMUs

机车电传动, 2014
In order to solve the malfunctions of bogie gear-box temperature sensor, axle head speed sensor, and axle temperature sensor for breakdown by high voltage at operation process of CRH380BL trains, the EMUs grounding system was studied, and a simple ...
ZHANG Qiumin, WANG Xinghua, HAO Mingyuan, WANG Yanqin, LI Ying   +4 more
doaj   +1 more source

Novel Pressure Control Equipment for High Speed EMUs

机车电传动, 2012
Different from the common active or passive pressure protection devices, novel pressure control equipment for high speed EMUs adopted dual-motor driving device with both active and passive pressure protection functions to implement pressure control ...
RENGuang-qiang
doaj   +1 more source