Model of the 2 x 25 kV high speed railway supply system taking into account the soil-air interface

被引：9
|
作者：
Minucci, Simone [1 ]
Pagano, Mario [1 ]
Proto, Daniela [1 ]
机构：
[1] Univ Naples Federico II, Dept Elect Engn & Informat Technol, Via Claudio 21, I-80125 Naples, Italy
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2018年 / 95卷
关键词：
High speed traction power system; Multi-conductor transmission lines; Soil-air interface; Short circuit currents; RETURN IMPEDANCE; PARAMETERS; FREQUENCY; TRANSIENT; OVERHEAD; LINES;
D O I：
10.1016/j.ijepes.2017.09.017
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：
This paper deals with the modelling of the 2 x 25 kV - 50 Hz high speed railway supply system. The proposed approach extends the traditional multi-conductor transmission line approach typically used for high speed railway systems, which is based on the assumption of overhead conductors. More specifically, this approach models the system by considering the presence of both overhead and buried conductors. Analytical formulations to calculate self and mutual line parameters are used. A numerical simulation allows evidencing the different results when the simplified and the detailed modelling approaches are adopted. A sensitivity analysis to point out the influence of the finitely conductive ground is also proposed. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：644 / 652
页数：9
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