Pantograph-to-OHL Arc: Conducted Effects in DC Railway Supply System

被引：27
作者：
Crotti, Gabriella [1 ]
Delle Femine, Antonio [2 ]
Gallo, Daniele [2 ]
Giordano, Domenico [1 ]
Landi, Carmine [2 ]
Luiso, Mario [2 ]
Mariscotti, Andrea [3 ]
Roccato, Paolo Emilio [1 ]
机构：
[1] Ist Nazl Ric Metrol INRIM, I-10135 Turin, Italy
[2] Univ Campania L Vanvitelli, Dept Engn, I-81100 Aversa, Italy
[3] ASTM, CH-6830 Chiasso, Switzerland
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2019年 / 68卷 / 10期
关键词：
Current measurement; direct current (DC) railway system; electric arc; pantograph-catenary; power system measurements; predictive maintenance; rail transportation; voltage measurement; CURRENT COLLECTION; IMPEDANCE;
D O I：
10.1109/TIM.2019.2902805
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The electrical arc occurring in the sliding contact between the supply contact line and the current collector (pantograph) of an electrical locomotive is a fast transient phenomenon able to degrade progressively the line-to-pantograph contact quality and, consequently, the continuity of operation. In order to increase the energy efficiency of the railway system, an inexpensive solution is constituted by the detection of the arc event by the analysis of voltage and current measurements already available on-board train. An essential activity to reach this objective is to set up a reliable electrical model of the railway system in which the arc events originate. To this end, this paper presents a combination of experimental and simulation analysis for the development of an electrical model of a direct current (dc) 3 kV railway system, which is aimed at better understanding the propagation of conducted effects generated by arc events. First, a laboratory experimental activity is carried out to investigate the electrical dynamic characteristics of the arc in a controlled environment. Then, a model of the dc railway system is derived and validated by using the experimental data collected in a measurement campaign on-board train. Finally, a sensitivity analysis of the main model parameters is carried out.
引用
收藏
页码：3861 / 3870
页数：10
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