Zobrazeno 1 - 10
of 1 168
pro vyhledávání: '"Traction system"'
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 3, Pp 59-65 (2024)
This paper presents a method to establish typical operating conditions for train traction systems by combining site-based short trip analysis with nonparametric tests, in order to overcome various obstacles, such as inadequate efficiency testing resu
Externí odkaz:
https://doaj.org/article/c7f5571f262b4012812cc0efa11ca94c
Autor:
Yutong Zhu, Yaohua Li
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 8, Iss 2, Pp 227-239 (2024)
Increasing attention has been paid to the efficiency improvement of the induction traction system of high-speed trains due to the high demand for energy saving. In emergency self-propelled mode, however, the dc-link voltage and the traction power of
Externí odkaz:
https://doaj.org/article/78681bb70a724b79ad43f516a76a25ce
Autor:
ZHOU Yang, DONG Yukang
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 1, Pp 46-51 (2024)
When a diesel engine operates at non constant power output, it not only has low fuel efficiency but may also generate significant mechanical stress, leading to wear and damage of mechanical components. In order to ensure the efficient operation of di
Externí odkaz:
https://doaj.org/article/30273fc0f26d462b9f51d79b5c2201b5
Publikováno v:
Systems Science & Control Engineering, Vol 12, Iss 1 (2024)
The lateral stability and control of carrier-based aircraft towbarless tractor system are analysed. Considering the coupled motion effects of carrier roll, pitch and heave, a four degree of freedom time-varying nonlinear dynamic model of the carrier-
Externí odkaz:
https://doaj.org/article/daf6bb09df86455c8553841c3c57ba6c
Publikováno v:
Збірник наукових праць Державного університету інфраструктури та технологій: серія "Транспортні системи і технології", Iss 43 (2024)
In this work, the structure of the traction system of a shunting diesel locomotive with hybrid power, which performs both shunting work at the station and hauling work, is proposed. In order to develop the structure of the traction system, which will
Externí odkaz:
https://doaj.org/article/510fe2a317bf418587154c5956e4666e
Control Circuit Optimization for High-speed Circuit Breaker in Traction System of Jinan Metro Line 3
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 3, Pp 245-247 (2024)
[Objective] In the early operation stage of Jinan Metro Line 3, multiple sporadic high-speed circuit breaker closing failures are reported. To improve the reliability of train operation, it is necessary to optimize the high-speed circuit breaker cont
Externí odkaz:
https://doaj.org/article/87e9182037654de7ad0ea18f41c2fe59
Autor:
Vimal Rajan Bharatha Kumar, Mohammad Lutfi Othman, Noor Izzri Abdul Wahab, Hashim Bin Hizam, Mohammad Nasir Uddin, Nima Razaei, Andrew Xavier Raj Irudayaraj, Shiva Gopalakrishnan, Tasmeea Rahman
Publikováno v:
IEEE Access, Vol 12, Pp 10995-11009 (2024)
In modern railway traffic systems, direct current (DC) electrification is a prevalent choice, with numerous traction networks adopting a variety of voltage levels to accommodate varying load current dynamics. These dynamics are influenced by passenge
Externí odkaz:
https://doaj.org/article/c6a8f7330727482fb8090b082a73481b
Publikováno v:
Machines, Vol 12, Iss 8, p 582 (2024)
The safety and reliability of high-speed train electric traction systems are crucial. However, the operating environment for China Railway High-speed (CRH) trains is challenging, with severe working conditions. Dataset imbalance further complicates f
Externí odkaz:
https://doaj.org/article/0751bb724aa74705b0b1be0696c6255e
Autor:
Xiao-Ling Wang, Xiao-Jian He, Chuan-Shen Jiang, Dong-Gui Hong, Yun-Ping Zheng, Han Li, Xin-Jiang Chen, Jian-Xiao Huang, Ling-Shuang Dai, Mei-Yan Liu, Da-Zhou Li, Wen Wang
Publikováno v:
Asian Journal of Surgery, Vol 46, Iss 9, Pp 3673-3679 (2023)
Background: During endoscopic submucosal dissection (ESD) for gastric lesions with fibrosis, appropriate traction could provide clear submucosal dissection visualization to improve safety and efficiency of procedures. Therefore, the aim of this study
Externí odkaz:
https://doaj.org/article/d1d07dead0644496a24690a29a90c6c3
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 323-331 (2023)
Under certain working conditions, the permanent magnet synchronous motor (PMSM) traction system of urban rail transit shows negative impedance characteristics, which is easy to cause voltage resonance of DC-link and lead to instability of the system.
Externí odkaz:
https://doaj.org/article/97c485aa54d947a98df6084ca25fa166