高电压技术2017，Vol.43Issue(8)：2505-2512,8.DOI:10.13336/j.1003-6520.hve.20170731009
高速铁路25kV接触线工频电磁暴露剂量学仿真研究
Dosimetry Simulation Research on Power Frequency Electromagetic Exposure of 25 kV Contact Line over the High-speed Railway
摘要
Abstract
The aim is to evaluate the safety of electromagnetic environment in the carriage of high-speed railway exposed to 25 kV contact line.Based on the CRH5 EMU,the electromagnetic model of the real carriage,the contact line of the catenary and the variety of postures passengers were set up by using COMSOL Multiphysics software.The electromagnetic radiation caused by contact line to the passengers was investigated in the carriage,and compared with the case that passengers were directly exposed under the contact line.The simulation research results show that when the shielding protection is provided by the aluminum alloy train body,the magnetic induction strength is much less that in the absence of shielding protection.It is proved that the aluminum alloy train body can effectively shield the power frequency magnetic field.Meanwhile,the simulation results show that the maximum value of magnetic induction strength and induction electric field strength of the passenger's head at the window position are larger than those of the passenger's head in the middle of the carriage.The maximum value of the magnetic induction strength and induction electric field strength in the head of two passengers in the carriage are all far below the recommended values of public electromagnetic exposure by the International Commission on Non-ionizing Radiation Protection(ICNIRP).The simulation research shows that the electromagnetic exposure of the contact line of contact line at 25 kV voltage level does not affect the health of passengers.关键词
高铁接触网/25 kV/工频磁场/人体模型/电磁剂量学/磁感应强度/感应电场强度Key words
high-speed railway contact line/25 kV/power frequency magnetic field/body model/electromagnetic dosimetry/magnetic induction strength/induction electric field strength引用本文复制引用
田瑞,逯迈..高速铁路25kV接触线工频电磁暴露剂量学仿真研究[J].高电压技术,2017,43(8):2505-2512,8.基金项目
国家自然科学基金(51567015) （51567015）
光电技术与智能控制教育部重点实验室(兰州交通大学)开放课题(KFKT2016-5).Project supported by National Natural Science Foundation of China (51567015),The Opening Foundation of Key Laboratory of Opto-technology and Intelligent Control Ministry of Education (Lanzhou Jiaotong University)(KFKT2016-5). （兰州交通大学）
