ABB RER620

1MAC309294-MB F Section 5
Control functions
RER620 309
Technical Manual
Figure 159: OOAP mode logic
Summary of Single-Phase Tripping
The following diagrams illustrates overall logical diagram, the state of different poles for
different faults, based on the settings in use.
OPUP
OOAP
OOAP
OOAP
OOAP
A Phase
B Phase
C Phase
Allow Single Phase Trip
Allow Three Phase Trip