Abstract
With the continuous improvement of the intelligence level of the rail transit system, the installation density of electrical and electronic equipment in rail trains becomes larger and larger, which causes the increasingly prominent electromagnetic interference (EMI) problem among any equipment, systems and subsystems. This paper proposes an anti-EMI design scheme for rail trains, which improves the anti-EMI capability of the entire train system from four aspects, i.e. equipment grounding, filtering, shielding and wiring. By taking Shanghai Metro Lines 4 and 6 as an example, we carried out the system implementation and testing. The test results show that the proposed scheme is verified to be effective and reliable to improve the electromagnetic compatibility (EMC) performance.
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