Results 21 to 30 of about 3,139 (153)
Effects of Crash Dynamic Parameters of Urban Rail Transit Train on Climbing Behavior
[Objective] In order to strengthen the passive safety design ability of urban rail transit trains during operation, it is necessary to study the effects of train crash dynamics parameters on climbing behavior.
Jiao XU +4 more
doaj +1 more source
We developed a facile, rapid, scalable, and environmentally friendly route to synchronously achieve ultrathin, high-quality graphene and MnO2 nanosheets, which spontaneously migrated and coassembled on a cathodic 3D Ni foam.
Xin Cao +10 more
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Study on Electromagnetic Interference of high-speed railway EMU
Electromagnetic radiation generated by pantograph-catenaries detachment is one of the inevitable problems with the development of high-speed railway this paper is focusing on the generating mechanism and characteristics of electromagnetic noise caused by pantograph-catenaries system.
LIU Jin-jiang, CHENG Qiang, CHENG Ning
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Impact of Ground Current of HVDC Earth Electrode on High-speed EMU
During the operation of HVDC system with the earth as the loop, the formed current field in the ground has corrosion effect on the adjacent high-speed railway system.
Jie WU +4 more
doaj
Test Research on Vibration State of Transformer in High Speed EMU [PDF]
Abstract Transformers are important under-vehicle equipment for high-speed EMUs and play an important role in ensuring the power transmission of EMUs. This article first introduces the vibration reduction theory of the equipment under the EMU, and then briefly introduces the structure of the transformer and the arrangement of the ...
Hai Deng, Huailong Shi, Yayun Qi
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As the speed of the new generation of high-speed electric multiple units (EMU) increases, the requirements for vibration and noise reduction in traction gear trains are becoming higher and higher.
Zhaoping Tang +4 more
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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
doaj +1 more source
An optimization model of EMU circulation problem for high-speed railway [PDF]
The electronic multiple unit (EMU) circulation plan schedule EMUs to perform train tasks based on a timetable while satisfying a number of constraints. This paper propose a model considering several constraints such as maintenance capability, accommodation capacity and maintenance management modes.
Wenjun Li, Lei Nie
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Research on Detection and Optimization Measures of High-speed EMU Power Network Voltage Interruption
With the increase of EMU speed, pantograph catenary offline has become a common and inevitable phenomenon in high-speed EMU operation. The network voltage interruption caused by pantograph catenary offline will affect the reliable operation of EMU ...
Hong SHEN, Dong CHEN, Gang FU
doaj
Aiming at the deficiencies of the traction helical gear transmission system when the EMU is running at high speed, this paper proposes and designs a kind of arc toothed cylindrical gear adapted to the traction of higher speed EMU.
Jianping Sun +4 more
doaj +1 more source

