Instruction manual –AQ F210 Feeder Protection IED
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current based functions with added security from the current monitoring of the CBFP
function and other function trips can be also included to the CBFP functionality.
Figure 4.2.6.4-31 Into the IED is configured Trip and CBFP.
Probably the most common application is the case where the circuit breaker trip coil is
controlled with the IED trip output and CBFP is controlled with one dedicated CBFP contact.
In following are few operational cases presented regarding to the different applications and
settings of the CBFP function.