Signals - ABB 615 series Technical Manual

Section 4
Protection functions
4.8.1.6
4.8.1.7
Table 624: 32U Group settings (Basic)
Parameter Values (Range)
Pickup value 0.01...2.00
Trip delay time 40...300000
722
errors. The manufacturer of the measuring devices is to be contacted for
information on the measuring errors.
If the measuring errors are not compensated for, the underpower setting
should not be lower than the sum of the current-measuring and voltage-
measuring errors.
For example, if the error of the current-measuring device is 2% and that of
the voltage-measuring device is 1%, the minimum setting is (2 + 1)% =
3%.

Signals

Table 622: 32U Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
I1 SIGNAL
V_A SIGNAL
V_B SIGNAL
V_C SIGNAL
V1 SIGNAL
BLOCK BOOLEAN
DISABLE BOOLEAN
Table 623: 32U Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
Settings
Unit Step
xSn 0.01
ms 10
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0 Positive sequence current
0 Phase-to-ground voltage A or phase-to-phase voltage
AB
0 Phase-to-ground voltage B or phase-to-phase voltage
BC
0 Phase-to-ground voltage C or phase-to-phase voltage
CA
0 Positive phase sequence voltage
0=False Block signal for activating the blocking mode
0=False Signal to block the function during generator startup
Description
Trip
Pickup
Default Description
0.10 Pickup value
40 Trip delay time
1MAC059074-MB A
615 series ANSI
Technical Manual