ABB Relion, Technical Manual, Page: 182 / 778

Table 74: OOSPPAM (78) Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 6 - 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)
InvertCTCurr No
Yes
- - No Invert current direction
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)
Table 75: OOSPPAM (78) Non group settings (advanced)
Name Values (Range) Unit Step Default Description
StartAngle 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
7.4.6 Monitored data
Table 76: OOSPPAM (78) Monitored data
Name Type Values (Range) Unit Description
VOLTAGE REAL - kV Magnitude of the measured
positive-sequence voltage, in
V
CURRENT REAL - A Magnitude of the measured
positive-sequence current, in
A
R REAL - % Real part of measured
positive-sequence impedance
% of VBase/(sqrt(3)*IBase)
X REAL - % Imaginary part of measured
positive-seq impedance % of
VBase/(sqrt(3)*IBase)
ROTORANG REAL - deg Rotor angle as estimated by
the out-of-step function
UCOSPHI REAL - kV Estimated Ucos(Phi) voltage
during pole slip, in V
Section 7
1MRK 502 048-UUS A
Impedance protection
176
Technical manual