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Measurement and Suppression of Electromagnetic Interference to Speed Sensor of CRH380BL Electric Multiple Unit

机译:CRH380BL电气多单元速度传感器电磁干扰测量和抑制

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摘要

The speed sensor of CRH380BL electric multiple unit (EMU) would be affected by the electromagnetic interference (EMI) caused by pantograph-catenary arc when pantograph dropped, which could result in the abnormal locking of car door. A method to absorb the energy of high frequency by nesting magnetic ring on the cable shield of speed sensor was proposed and tested to achieve the purpose of suppressing radiation interference.
机译:CRH380BL电气多单元(EMU)的速度传感器将受到电磁干扰(EMI)的影响,当Pantograph掉落时,受电弓膨胀弧线引起的电磁干扰(EMI)的影响,这可能导致车门的异常锁定。提出了一种在速度传感器电缆屏蔽上嵌套磁环吸收高频能量的方法,以达到抑制辐射干扰的目的。

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