Woodward HighPROTEC - Page 838

Protective Elements
Parameter Description Setting range Default Menu path
V< Str Limit value for »Start condition« = "Overcur
& Undervlt": The start criterion is fulfilled if
the maximum measured phase current
exceeds »I> Str« and the minimum
measured voltage is below this value.
0.01 - 2.00Vn 0.80Vn [Protection
Para
/<1..4>
/Z
/Z[1]
/Threshold
Settings]
Z< Str Limit value for »Start condition« =
"Underimpedance": The start criterion is
fulfilled if the corresponding measured loop
impedance (secondary value) is below this
limit.
0.2 - 750.0Ω 20.0Ω [Protection
Para
/<1..4>
/Z
/Z[1]
/Threshold
Settings]
Direction
enable
Direction enable inactive,
active
inactive [Protection
Para
/<1..4>
/Z
/Z[1]
/Characteristic]
Direction angle
1
Angle that confines the impedance area.
(Note that the angle is always measured
counter-clockwise from the positive R-axis.)
-90 - 45° -30° [Protection
Para
/<1..4>
/Z
/Z[1]
/Characteristic]
Direction angle
2
Angle that confines the impedance area.
(Note that the angle is always measured
counter-clockwise from the positive R-axis.)
95 - 180° 105° [Protection
Para
/<1..4>
/Z
/Z[1]
/Characteristic]
Type of imp.
area
Select whether the impedance characteristic
shall be of type MHO or polygon.
MHO,
Polygon
MHO [Protection
Para
/<1..4>
/Z
/Z[1]
/Characteristic]
838 MCDGV4 DOK-HB-MCDGV4-2E