Dual Galvanic Isolation Barriers and Monitoring Systems and Methods

双电流隔离阻障部以及监控系统及方法

Abstract

一种系统包括第一电流隔离器、第二电流隔离器、传感器、以及监控模块。第一电流隔离器包括第一电绝缘体。第二电流隔离器与第一电流隔离器串联连接并且包括第二电绝缘体。传感器基于第一和第二电绝缘体中的一个电绝缘体的电气特性来生成第一输出信号。监控模块基于第一输出信号来选择性地生成指示第一和第二电绝缘体中的至少一个电绝缘体失效的信号。
A system includes a first galvanic isolator, a second galvanic isolator, a sensor, and a monitoring module. The first galvanic isolator includes a first electrical insulator. The second galvanic isolator is connected in series with the first galvanic isolator and includes a second electrical insulator. The sensor generates a first output signal based on an electrical characteristic of one of the first and second electrical insulators. The monitoring module, based on the first output signal, selectively generates a signal indicative of a failure of at least one of the first and second electrical insulators.

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