地铁车地无线通信系统电磁兼容研究

Research on the Electromagnetic Compatibility of the Electric Vehicle Charging Device

地铁在城市交通出行中扮演重要角色,但近年来电磁干扰影响地铁安全营运事故时有发生。为分析机动车和电气化铁路对车地无线通信系统的电磁干扰,从电磁兼容三要素出发,结合实验测试论证了某地地铁车地系统在开放空间及近距离条件下对机动车和电气化铁路具有较好的电磁兼容性,并针对测试过程中所出现的电磁兼容隐患提出了建议。

The subway plays an important role in urban traffi c,but electromagnetic interference accidents arouse the safety operation problem of subway.To make an assessment of EMI effect on train-ground wireless communication system which caused by the motor vehicles and railway,the author taking the basic element of EMC and practical measurement,to prove the train-to-ground system keep a good characteristic of EMC when faced with open space and close range to motor vehicles and railways,then some proposals about the potential EMC problems was offered.