ABB RELION REB500 Technical Manual page 156

Bay protection functions
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Section 5
Bay protection functions
Successful
Trip CB 3P
Trip CB
Start
Def. Trip
Close CB
ZExtension
First AR 3P
Second A R
Third A R
Trip 3-Pol
AR in Prog .
AR Ready
AR Blocked
Unsuccessful
Trip CB 3P
Trip CB
Start
Def. Trip
Close CB
ZExtension
First AR 3P
Second A R
Third A R
Trip 3-Pol
AR in Prog .
AR Ready
AR Blocked
IEC19000459 V1 EN-US
Figure 55: Timing diagram for a single or double busbar arrangement with one distance
Settings:
1. AR Mode = 1P3P-1P3P,
2..4. AR Mode = 3AR
ZE Prefault = on
ZE 1. AR = off,
ZE 2. AR = on
ZE 3. AR = off
150
AR
time < t Oper.
t Dead1 3P
t Dead2
AR
time < t Oper.
t Dead1 3P
t Dead2
and one AR function >> Response for phase faults
© Copyright 2019 ABB. All rights reserved
t Close
300 ms
t Dead3
t Inhibit.
t D ead3
18000054-IEC19000459-1-en.vsdx
Bay protection functions REB500
1MRK 505 406-UEN B
Technical manual

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