ABB REG316 4 Series Operating Instructions Manual page 201

REG 316*4 1MRB520049-Uen / Rev. F
Pick-up
0
t
int
Integration
0
Trip
0
t
int
t
R
Fig. 3.5.14.4 Underreactance protection
Effect of the integrator during power swings
t
t
R R
"TRIP-Delay" setting
integrated time
reset time
ABB Switzerland Ltd
t t
R R
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