Results 221 to 230 of about 6,853,746 (262)

A Unified Fault-Location Method of Autotransformer Traction Network for High-Speed Railway

IEEE Transactions on Power Delivery, 2021
Autotransformer (AT) traction network (ATN) expands widely with the rapid development of high-speed railway (HSR). The fault occurrence in ATN will affect the safety and reliability of power supply for electric multiple units (EMUs).
Shuai Wang, Minwu Chen, Qunzhan Li, Zhechao Kou   +3 more
semanticscholar   +1 more source

The Research on Electromagnetic Emission of Traction Network With Short-Circuit Current Pulse

IEEE Transactions on Transportation Electrification, 2021
The high current pulse in traction network is an extreme and dangerous situation, and the short-circuit experiment is to simulate this situation. The short-circuit experiment of traction network has always been very important to detect the safety and ...
Nan Lu, F. Zhu, Chengpan Yang, Yang Yang, Hede Lu, Zixuan Wang   +5 more
semanticscholar   +1 more source

Simulation and Analysis for Electromagnetic Environment of Traction Network

URSI General Assembly and Scientific Symposium, 2021
Due to the hidden safety hazards in the traction network of electrified railways in windy areas in China, it is necessary to study the influence of the protective wire landing on the traction backflow and power frequency magnetic fields.
Lu Zhang, Yun Zhu, Song Chen, Dan Zhang
semanticscholar   +1 more source

Multiple Vehicles and Traction Network Interaction System Stability Analysis and Oscillation Responsibility Identification

IEEE transactions on power electronics
The electrical incompatibility between vehicles and traction network in railway system can result in system instability and oscillation overvoltage issues.
Xiangyu Meng, Qiao Zhang, Zhigang Liu, Guiyang Hu, Fang Liu, Guinan Zhang   +5 more
semanticscholar   +1 more source

Measurement of Impedance-Frequency Property of Traction Network Using Cascaded H-Bridge Converters: Device Design and On-Site Test

IEEE transactions on energy conversion, 2020
To investigate the harmonic resonance in electric railways, determination of the traction network impedance using a utility instrument is an important and challenging task.
Mingli Wu, Jing Li, Qiujiang Liu, Shaobing Yang, M. Molinas   +4 more
semanticscholar   +1 more source

Fault Location of AT Traction Network Adopting Bilateral Power Supply Mode Based on Generalized Symmetrical Components Method

IEEE Transactions on Transportation Electrification
Autotransformer (AT) traction network with bilateral power supply mode (PSM) is an effective and economical electrified railway feeding scheme. However, due to the nonlinear relationship between measured reactance and distance, as well as the complex ...
Shuai Wang, Minwu Chen, Zhechao Kou, Zhongrui Sun, Ning Zhao, Qunzhan Li   +5 more
semanticscholar   +1 more source

Traction Network Wire Current Detection Based on Ring-Shaped TMR Array

IEEE Transactions on Transportation Electrification
Ensuring safe operation of electrified railways is critical, and one challenge is detecting the current in railway traction network cables to prevent them from burning down due to excessive current. This article analyzes the working principle of the ring-
X. Xu, L. Yang, H. -. Chen, T. Liu, X. L. Xu, Z. Sun, H. Liu   +6 more
semanticscholar   +1 more source

An Adaptive Reclosing Scheme for All-Parallel Autotransformer Traction Network of High-Speed Railway Based on Multisource Information

IEEE Transactions on Transportation Electrification
In high-speed railway (HSR), directly reclosing a circuit breaker after a fault trip can result in a large second overcurrent, causing insulation degradation, equipment damage, and even system instability.
Rui Shen, Zhengqing Han, Shuping Liu, Shibin Gao   +3 more
semanticscholar   +1 more source

An Approach to Suppress Low Frequency Oscillation in the Traction Network of High-Speed Railway Using Passivity-Based Control

IEEE Transactions on Power Systems, 2018
The traction blockade in depots of multiple electric multiple units (EMUs) is generally considered to be caused by the voltage low frequency oscillation (LFO) of the high-speed railway traction network.
Zhigang Liu, Z. Geng, X. Hu
semanticscholar   +1 more source

A Traction Network Chain-Circuit Model With Detailed Consideration of Integrated Grounding System in Tunnel Path

IEEE Transactions on Transportation Electrification, 2019
The integrated grounding system in the tunnel path of the high-speed railway (HSR) is generally ignored or equivalent to an approximate impedance in the existing traction network chain-circuit models. To enhance the completeness and accuracy of the model,
Ke Huang, Zhigang Liu, Dongdong Su, Zongsheng Zheng   +3 more
semanticscholar   +1 more source