7.11.5 Settings
PID-3539-SETTINGS v9
Table 165: OOSPPAM (78) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
OperationZ1 Disabled
Enabled
- - Enabled Operation Zone1 Enable/Disable
ReachZ1 1.00 - 100.00 % ZFw 0.01 50.00 Percentage part of total forward
impedance; defines Z1 reach
OperationZ2 Disabled
Enabled
- - Enabled Operation Z2 Enable/Disable
tBreaker 0.000 - 1.000 s 0.001 0.040 Breaker opening time; use default 0s value
if it is unknown
Table 166: OOSPPAM (78) Group settings (advanced)
Name Values (Range) Unit Step Default Description
NoOfSlipsZ1 1 - 20 - 1 1 Number of pole-slips in zone 1 required for
zone 1 trip
NoOfSlipsZ2 1 - 60 - 1 3 Number of pole-slips in zone 2 required for
zone 2 trip
tReset 1.000 - 60.000 s 0.001 6.000 Time without any slip required to
completely reset function
Table 167: OOSPPAM (78) Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
ForwardR 0.00 - 1000.00 %ZB 0.01 1.00 Real part of total forward impedance for
Z2, in % of VBase/(sqrt(3)*IBase)
ForwardX 0.00 - 1000.00 %ZB 0.01 10.00 Imag. part of total forward impedance for
Z2, in % of VBase/(sqrt(3)*IBase)
ReverseR 0.00 - 1000.00 %ZB 0.01 1.00 Real part of source impedance behind
relay, in % of VBase/(sqrt(3)*IBase)
ReverseX 0.00 - 1000.00 %ZB 0.01 10.00 Imag. part of source impedance behind
relay, in % of VBase/(sqrt(3)*IBase)
InvertCTCurr No
Yes
- - No Invert current direction
Table 168: OOSPPAM (78) Non group settings (advanced)
Name
Values (Range) Unit Step Default Description
pick up Angle 90.0 - 130.0 Deg 0.1 110.0 Angle between two rotors to get the pick
up signal, in deg
TripAngle 15.0 - 90.0 Deg 0.1 60.0 Maximum rotor angle to allow trip signals,
in deg
1MRK 502 066-UUS B Section 7
Impedance protection
377
Technical manual