
Table 86:
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 87:
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 88:
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 511 408-UUS A
Section 7
Impedance protection
Phasor measurement unit RES670 2.2 ANSI
157
Technical manual
Содержание Relion RES670
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