ABB REB500 - Configuration

Section 5 1MRK 505 350-UEN
Additional protection options
48 Technical Manual
Distributed busbar protection REB500
5.4.2 Configuration
The following parameters can be set for the end fault protection using the HMI500:
Table 35 Parameters for EFP
Parameter Min. Max. Default Step Unit
EFP active
inactive
Pick
-
up delay
0.1
10.0
0.4
0.1
s
Pick
-
up setting
0.1
2.0
1.2
0.1
I
N
To avoid false tripping after the circuit-breaker has opened, the delay for the end
fault protection must be set longer than the time t1 of BFP.
The current pick-up setting can be set the same as for BFP.
Figure 17 Settings of EFP
The details view makes provision for activating and setting the pick-up value and
delay of the end fault protection for each bay. (The pick-up delay is only of
consequence when opening the circuit-breaker.)