Results 41 to 50 of about 3,139 (153)
Evolution of technical requirements for wheelsets for high-speed rolling stock
Вестник Научно-исследовательского института железнодорожного транспорта, 2017 The article presents retrospective review of the technical requirements for the creation and testing of wheelset for speed rolling stock in the Soviet Union and Russia since the 1980s until now.Creation of wheelsets performed using both domestic ...
V. I. Grek +2 more
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Application of Big Data Technology in the Operation and Maintenance for High Speed EMUs
Kongzhi Yu Xinxi Jishu, 2019 In face of large number of high-speed EMUs(electric multiple units), large traffic volume and complex operating environment challenges, this paper proposed a big data artificial intelligence platform for fast and efficient EMU operation and maintenance ...
LIANG Jianying +3 more
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Study on Traction Converter for PMSM Traction System of High-speed EMU
机车电传动, 2020 The traction system, power circuit, fault protection, structure, dissipate heat for the permanent magnet synchronous motor (PMSM) of high-speed EMU were studied and analyzed on basis of the features of PMSM traction system.
Dangbing ZOU, Da LIU, Yi DING
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Research on Operation and Maintenance Mode and Maintenance Facility Design of Power Centralized EMU
机车电传动, 2021 In order to meet the needs of servicing and maintenance of power centralized EMU, there are more and more new maintenance facilities for power centralized EMU and upgrading and reconstruction projects for existing passenger service center.
Xiangyang TIAN
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Service Performance Tracking Research on High-speed EMUs
, 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. For researching the service performance of high-speed trains under the complex service environment, long service performance ...
BAI Yanchao +4 more
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Application of Titanium Alloy Materials in High-speed EMU Bogie Frames
Chengshi guidao jiaotong yanjiuObjectiveWhole-vehicle lightweighting has become a focus issue in the technology development of new generation high-speed EMU (electric multiple unit). At present, various existing high-speed EMU trains in China still extensively use steel materials.
Zhaojin LIU +3 more
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Feasibility Study on Raising the Operation Speed of EMU from 350 km/h to 400 km/h
机车电传动, 2020 In order to further improve people's travel experience and service quality, improve transportation organization efficiency and reduce operation cost, CRRC Changchun Railway Vehicles Co., Ltd. plans to develop 400 km/h high-speed EMU.
Lei WANG, Dongming YU, Yong DING
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Parallel Control of Auxiliary Inverters for High-Speed EMU
Kongzhi Yu Xinxi Jishu, 2014 The control strategy of parallel inverters was analyzed and implemented with the background of high-speed EMU program. By calculating positive power and negative power, output voltage and frequency of auxiliary inverters were controlled with the PQ droop
WEI Kai, ZHANG Zhixue, SHANG Jing
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Electrostatic generator enhancements for powering IoT nodes via efficient energy management
Microsystems & NanoengineeringElectrostatic generators show great potential for powering widely distributed electronic devices in Internet of Things (IoT) applications. However, a critical issue limiting such generators is their high impedance mismatch when coupled to electronics ...
Zibo Wu +5 more
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Sensors Burned Cause Analysis of High-speed EMUs
, 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 grounding model was built and analyzed, which gave the malfunctions solutions and provided grounding ...
ZHANG Qiumin +4 more
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