The measured phase voltages and currents are provided as service values.
BLOCK
TRIP
Z
A
C
C
START_DLYD
I3P
U3P
AutoInitMode
Mode = Impedance
Mode = UILevel
Mode = UILvl&Imp
UILevel
Detector
IPh<
UPh<
BC
t
≥1
tSOTF
15ms
t
&
t
tDLD
≥1
DeadLine
SOTFUILevel
tOperate
t
tDuration
t
≥1
&
&
&
≥1
&
IEC07000084 V3 EN-US
Figure 59: Simplified logic diagram for Automatic switch onto fault logic
6.3.8 Technical data
SEMOD173230-1 v1
M16043-1 v12
Table 49: ZCVPSOF technical data
Parameter
Range or value Accuracy
Operate voltage, detection of dead line (1–100)% of
UBase
±0.5% of U
r
Operate current, detection of dead line (1–100)% of
IBase
±1.0% of I
r
Time delay to operate for the switch onto fault
function
(0.03-120.00) s ±0.2% or ±20 ms
whichever is greater
Time delay for UI detection (0.000-60.000) s ±0.2% or ±20 ms
whichever is greater
Delay time for activation of dead line detection (0.000-60.000) s ±0.2% or ±20 ms
whichever is greater
Drop-off delay time of switch onto fault function (0.000-60.000) s ±0.2% or ±30 ms
whichever is greater
Section 6 1MRK 506 382-UEN A
Impedance protection
134 Line distance protection REL650 2.2 IEC
Technical manual
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