ABB REG650 Technical Manual page 254

Section 8
Current protection
248
Current Pickup Level
PickupCurr
VDepFact * PickupCurr
ANSI10000123 V1 EN
Figure 114: Example for current pickup level variation as function of measured
voltage magnitude in Slope mode of operation
• Voltage controlled overcurrent (when setting parameter VDepMode = Step)
Current Pickup Level
PickupCurr
VDepFact * PickupCurr
ANSI10000124 V1 EN
Figure 115: Example for current pickup level variation as function of measured
voltage magnitude in Step mode of operation
This feature simply changes the set overcurrent pickup level in accordance with
magnitude variations of the measured voltage. This feature also affects the pickup
0,25 VHighLimit
VHighLimit
1MRK 502 043-UUS B
VBase
ANSI10000123-1-en.vsd
VBase
ANSI10000124-1-en.vsd
Technical Manual