Operation Principle - ABB Relion Technical Manual

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Operation principle

The circuit breaker condition monitoring function includes a number of metering and

monitoring subfunctions. The functions can be enabled and disabled with the Operation

setting. The corresponding parameter values are Enable and Disable. The operation

counters are cleared when Operation is set to Disabled.

The operation of the functions can be described by using a module diagram. All the

modules in the diagram are explained in the next sections.

1MRK 502 048-UUS A

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