6.14.3  Function block
ANSI06000459-2-en.vsd
ZCVPSOF
I3P*
V3P*
BLOCK
BC
ZACC
TRIP
ANSI06000459 V2 EN
Figure 197: ZCVPSOF function block
6.14.4  Input and output signals
Table 175: ZCVPSOF Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Current DFT
V3P GROUP
SIGNAL
- Voltage DFT
BLOCK BOOLEAN 0 Block of function
BC BOOLEAN 0 External enabling of SOTF
ZACC BOOLEAN 0 Distance zone to be accelerated by SOTF
Table 176: ZCVPSOF Output signals
Name
Type Description
TRIP BOOLEAN Trip by pilot communication scheme logic
6.14.5  Setting parameters
Table 177: ZCVPSOF Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Enabled Disable/Enable Operation
IBase 1 - 99999 A 1 3000 Base current (A)
VBase 0.05 - 2000.00 kV 0.05 400.00 Base voltage Ph-Ph (kV)
Mode Impedance
VILevel
VILvl&Imp
- - VILevel Mode of operation of SOTF Function
AutoInit Disabled
Enabled
- - Disabled Automatic switch onto fault initialization
Table continues on next page
1MRK505222-UUS C Section 6
Impedance protection
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Technical reference manual