ABB Relion 670 series - Setting parameters

6.4.5 Setting parameters
Table 120: ZMHPDIS (21) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Enabled Operation Enable/Disable
IBase 1 - 99999 A 1 3000 Base current
VBase 0.05 - 2000.00 kV 0.05 400.00 Base voltage
DirMode Disabled
Offset
Forward
Reverse
- - Forward Direction mode
LoadEncMode Disabled
Enabled
- - Disabled Load encroachment mode Off/On
ReachMode Overreach
Underreach
- - Overreach Reach mode Over/Underreach
OpModePG Disabled
Enabled
- - Enabled Operation mode Disable/Enable of Phase-
Ground loops
ZPG 0.005 - 3000.000 ohm/p 0.001 30.000 Positive sequence impedance setting for
Phase-Ground loop
ZAngPG 10 - 90 Deg 1 80 Angle for positive sequence line impedance
for Phase-Ground loop
KN 0.00 - 3.00 - 0.01 0.80 Magnitud of ground return compensation
factor KN
KNAng -180 - 180 Deg 1 -15 Angle for ground return compensation factor
KN
ZRevPG 0.005 - 3000.000 ohm/p 0.001 30.000 Reverse reach of the phase to ground
loop(magnitude)
tPG 0.000 - 60.000 s 0.001 0.000 Delay time for operation of phase to ground
elements
IMinPUPG 10 - 30 %IB 1 20 Minimum operation phase to ground current
OpModePP Disabled
Enabled
- - Enabled Operation mode Disable/Enable of Phase-
Phase loops
ZPP 0.005 - 3000.000 ohm/p 0.001 30.000 Impedance setting reach for phase to phase
elements
ZAngPP 10 - 90 Deg 1 85 Angle for positive sequence line impedance
for Phase-Phase elements
ZRevPP 0.005 - 3000.000 ohm/p 0.001 30.000 Reverse reach of the phase to phase
loop(magnitude)
tPP 0.000 - 60.000 s 0.001 0.000 Delay time for operation of phase to phase
IMinPUPP 10 - 30 %IB 1 20 Minimum operation phase to phase current
1MRK505222-UUS C Section 6
Impedance protection
259
Technical reference manual