RDCO-01C ABB

ABB RPLC-03C
ABB MNTG RPMP-03-KIT
ABB DRIVEWINOOW LIGHT
ABB GES9515101P000
ABB TV 907-800-26 NKO
ABB 5STP 0865F0001

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Description

共模干扰是信号对地面的电位差,主要由电网串入、地电位差及空间电磁辐射在信号线上感应的共态(同方向)电压送加所形成。共模电压有时较大,特别是采用隔离性能差的电器供电室,变送器输出信号的共模电压普遍较高,有的可高达130V以上。共模电压通过不对称电路可转换成差模电压

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