Settings P54x/EN ST/La4
MiCOM P543, P544, P545, P546
(ST) 4-19
ST
Setting range
Menu text Default setting
Min. Max.
Step size
Z4 Tilt Top Line -3° -30° 30° 1°
Setting of Z4 top reacta adient. nce line gr
Z4 Sensit. Iph>4 0.05 x In 0.05 x In 2 x In 0.01 x In
Zone P current sensitivity.
GROUND DISTANCE
Z1 Gnd. Reach 8/In Ω 0.05/In Ω 500/In Ω 0.01/In Ω
Setting for Z1 reach.
Z1 Gnd. Angle 70° 20° 90° 1°
Setting of line angle (positive sequence) for zone 1.
Z1 Dynamic Tilt Enabled Disabled or Enabled
Setting that enables or disables zone 1 top reactance line dynamic tilting. If set enabled,
the top line angle will be cally shifted by le diffe tween
e shifted by the ‘Z1 Tilt top line’ setting (Predeterm g by fi .
automati the ang rence be the fault
current and negative sequence current, starting from the ‘Z1 Tilt top line’ angle setting –
see the next cell. The zone 1 is allowed only to tilt down. If Dynamic tilting is disabled, the
top line will b ined tiltin xed angle)
This setting is visible only when ground characteristic is set to ‘Quad’.
Z1 Tilt top line -3° -30° 30° 1°
Setting of the zone 1 tilt angle. Minus angle tilts the reactance line downwards This setting
is visible only when the above setting is visible.
kZN1 Res. Comp. 1 0 10 0.001
Setting of Z1 residual compensation magnitude.
kZN 1 Res. Angle 0 -180° 90° 1°
Setting of Z1 residual compensation angle.
R1 Gnd. Resistive 8/In Ω 0.05/In Ω 500/In Ω 0.01/In Ω
Setting for Z1 ground res ach. This setti isibl s selistive re ng is only v e if Quad i ected.
Z1 Sensit. Ignd>1 0.075 x In 0.05 x In 2 x In 0.01 x In
Current sensitivity setting for Z1 that must be ex ed in fault ase and t eutral if ceed ed ph he n
Z1 is to operate.
Z2 Gnd. Reach 15/In Ω 0.05/In Ω 500/In Ω 0.01/In Ω
Setting for Z2 reach.
Z2 Gnd. Angle 70° 20° 90° 1°
Setting of line angle (positive sequence) for zone 2.
Z2 Dynamic Tilt Enabled Disabled or Enabled
Setting that enables or di e 2 top reac dyna ng. If se
xt cell. The zone 2, as over-reaching zone, is allowed only to tilt up. If Dynamic
shifted by the ‘Z2 Tilt top line’ setting (Predetermined
isible onl n ground characte is set to ‘
sables zon tance line mic tilti t enabled,
the top line angle will be automatically shifted by the angle difference between the fault
current and negative sequence current, starting from the ‘Z2 Tilt top line’ angle setting –
see the ne
tilting is disabled, the top line will be
tilting by fixed angle).
This setting is v y whe ristic Quad’.
Z2 Tilt top line -3° -30° 30° 1°
Setting of the zone 2 tilt angle. Minus angle tilts the reactance line downwards This setting
is visible only when the above setting is visible.
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