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CB-OR
R1-CR
R2-CR
≥1
[TERM]
+
"2TERM"
Z4
(∗)
UVL
"Z2"
Z2
[ZONESEL]
Z3
"Z3"
PSB
NON VTF
Setting
The following shows the setting elements necessary for the POP and their setting ranges. For the
settings of Z2, Z3 and UVC, refer to Section 2.3.1.
Element
Range
UVL
UVLS
50 - 100 V
UVLG
10 - 60 V
Z4S
0.01 - 50.00Ω
(0.1 – 250.0Ω
BRRS
0.10 - 20.00Ω
(0.5 - 100.0Ω
Z4G
0.01 – 100.00Ω
(0.1 – 500.0Ω
BRRG
0.10 - 20.00Ω
(0.5 - 100.0Ω
TREBK
0.00 - 10.00s
TSBCT
0.00 – 1.00s
CRSCM
PUP/POP/UOP/BOP
DISCR
OFF/ON
ZONESEL
Z2/Z3
PSB - CR
OFF/ON
ECHO
OFF/ON
WKIT
OFF/ON
(*) Ohmic values shown in the parentheses are in the case of 1 A rating. Other ohmic values are in the
case of 5 A rating.
TECCB
t
0
1
&
0.00 - 200.00s
&
≥ 1
&
&
&
[PSB-CR]
" ON"
Figure 2.3.2.2 POP Scheme Logic
Step
Default
1V
77V
1V
45V
0.01Ω
8.00Ω
0.1Ω
40.0Ω) (*)
0.01Ω
5.10Ω
0.1Ω
25.5Ω)
0.01Ω
8.00Ω
0.1Ω
40.0Ω)
0.01Ω
5.10Ω
0.1Ω
25.5Ω)
0.01s
0.10s
0.01s
0.10s
POP
OFF
Z2
ON
ON
ON
61
ECH
≥ 1
&
TREBK
t
0
0
t
≥ 1
20ms
100ms
CRL
WIT
≥ 1
&
(∗) Note: Details of UVL
Signal No. Signal name
622:
623:
624:
628:
629:
630:
Remarks
Weak infeed trip element
Undervoltage detection (phase fault)
Undervoltage detection (earth fault)
Z4 reach
Reverse right blinder reach
Z4 reach
Reverse right blinder reach
Current reversal block time
Carrier protection mode
Distance carrier protection enable
Overreaching element selection
Power swing blocking
Echo function
Weak infeed trip function
6 F 2 S 0 8 5 0
≥ 1
CS
TSBCT
0
t
0.00 – 1.00s
Phase
S-TRIP
Selection
M-TRIP
Description
UVLS-AB
A-B phase
UVLS-BC
B-C phase
UVLS-CA
C-A phase
UVLG-A
A phase
UVLG-B
B phase
UVLG-C
C phase
- Quick Links:
- Current Differential Protection
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