ABB Relion 620 Series - Page 658

PHAPTUV prevents sensitive equipment from running under conditions that could
cause overheating and thus shorten their life time expectancy. In many cases,
PHAPTUV is a useful function in circuits for local or remote automation processes in
the power system.
4.5.4.7 Signals
Table 605: PHAPTUV Input signals
Name Type Default Description
U_A_AB SIGNAL 0 Phase-to-earth volt-
age A or phase-to-
phase voltage AB
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
Table 606: PHAPTUV Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
4.5.4.8 Settings
Table 607: PHAPTUV Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Start value 0.05...1.20 xUn 0.01 0.90 Start value
Time multiplier 0.05...15.00 0.01 1.00 Time multiplier
in IEC/ANSI IDMT
curves
Operate delay time 60...300000 ms 10 60 Operate delay time
Operating curve
type
5=ANSI Def. Time
15=IEC Def. Time
21=Inv. Curve A
22=Inv. Curve B
23=Programmable
15=IEC Def. Time Selection of time
delay curve type
Table 608: PHAPTUV Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Type of reset curve
1=Immediate
2=Def time reset
1=Immediate Selection of reset
curve type
Type of time reset
1=Freeze Op timer
2=Decrease Op tim-
er
1=Freeze Op timer Selection of time
reset
Protection functions 1MRS757644 H
658 620 series
Technical Manual