The Manual Master Mode is only useful for three-phase AR. For a single-phase
trip, a complex Fupla is required, which is not available in REB500.
18000051-IEC19000456-1-en.vsdx
UZ(2)
Start RST
Trip CB
Trip CB 3P
1PolAR
ZExtension
AR(2)
Start
Trip CB
Trip CB 3P
Trip 3-Pol
ZExtension
C
B
op
e
n
C
B
M
an
ua
l
C
lose
C
O
R
e
a
dy
C
lose
C
B
REB500sys
y
UZ(1)
Start RST
Trip CB
Trip CB 3P
1PolAR
ZExtensionAR
AR(1)
Start
Trip CB
Trip CB 3P
Trip 3-Pol
ZExtension
C
B
op
e
n
C
B
M
an
ua
l
C
lose
C
O
R
e
ad
y
C
lose
C
B
E
x
t.
B
lk.
A
R
AR
R
e
a
d
y
>
= 1
>
= 1
>
= 1
>
= 1
IEC19000456 V1 EN-US
Figure 52: Coordinating autoreclosure of main protection 1 with main protection 2
5.8.6.5
Timers
GUID-6CEC8BC6-7684-4944-B5AB-AF62A7DDC672 v1
The timers have setting ranges extending up to 300 s in steps of 10 ms.
The purpose of each of the timers is described below.
1MRK 505 406-UEN B
Section 5
Bay protection functions
Bay protection functions REB500
141
Technical manual
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