50
6
F
2
S
0
8
3
4
" ON "
NON VTF
PSB
[PSB-CR]
&
"Z3"
"Z2"
[ZONESEL]
≥
1
&
≥
1
CB-OR
Z4
UVL
ECH
CRL
WIT
0.01-10.00s
S-TRIP
M-TRIP
20ms
CS
Phase
selection
t
0
0
t
1
≥
1
≥
1
≥
1
&
1
R1-CR
R2-CR
&
[
TERM
]
"2TERM"
+
≥
1
1
1
TREBK
TECCB
0.00 - 200.00s
t 0
TSBCT
0.00 – 1.00s
0 t
&
&
&
Z2
Z3
PSCM_TCHDEN
1842
0-50ms
0 t
TCHD
&
≥
1
&
Figure 2.4.3.3 UOP Scheme Logic
Setting
The following shows the setting elements necessary for the UOP and their setting ranges.
For the settings of Z2, Z3, and UVC, refer to Section 2.4.1.
Element Range
Step Default Remarks
CO. LINK
Int / Ext
Int
Communication link (Integral or External)
UVL
Weak infeed trip element
UVLS
50 - 100 V
1V
77V
Undervoltage detection (phase fault)
UVLG
10 - 60 V
1V
45V
Undervoltage detection (earth fault)
Z4S
0.01 - 50.00
Ω
0.01
Ω
8.00
Ω
Z4 reach
(0.1 – 250.0
Ω
0.1
Ω
40.0
Ω
) (*)
BRRS
0.10 - 20.00
Ω
0.01
Ω
5.10
Ω
Reverse right blinder reach
(0.5 - 100.0
Ω
0.1
Ω
25.5
Ω
)
Z4G
0.01 - 100.00
Ω
0.01
Ω
8.00
Ω
Z4 reach
(0.1 – 500.0
Ω
0.1
Ω
40.0
Ω
)
BRRG
0.10 - 20.00
Ω
0.01
Ω
5.10
Ω
Reverse right blinder reach
(0.5 - 100.0
Ω
0.1
Ω
25.5
Ω
)
TCHD
0 - 50 ms
1 ms
12 ms
Channel delay time
TREBK
0.00 - 10.00s
0.01s
0.10s
Current reversal block time
TSBCT
0.00 – 1.00s
0.01s
0.10s
PROTECTION
SCHEME
3ZONE/Z1EXT/PUP/POP/UOP/
BOP /POP+DEF/UOP+DEF/
BOP+DEF/PUP+DEF
POP Scheme
selection
www
. ElectricalPartManuals
. com
Summary of Contents for GRZ100-211B
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