REG 316*4 1MRB520049-Uen / Rev. F ABB Switzerland Ltd
3-177
Typical settings:
PN determined by the generator cosj
GN
P-Setting (steam turbines of medium power) - 0.005
MaxMin MIN
Drop-Ratio 60 %
Angle connection to I
R
and U
R
0°
connection to I
R
and U
RS
+30°
connection to I
R
and U
ST
-90°
connection to I
R
and U
TR
+150°
Phi-Comp 0.0
Stage 1:
Delay 0.5 s
Stage 2:
Delay 20 s
or
Integrator (“Delay” function) for delay on operation and reset
Trip time 20 s
Reset time 3 s
Integration 1
Note:
The following must be set for a “Minimum forward power”
scheme according to Anglo-Saxon practice:
P-Setting >0
MaxMin MIN
Drop-Ratio 150%
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