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
