Technical Data - ABB RED650 Technical Manual

Section 7
Impedance protection
7.3.8
158
The measured phase voltages and currents are provided as service values.
BLOCK
BC
START_DLYD
≥1
tOperate
t
I3P
U3P
IPh< UILevel
Detector
UPh<
AutoInitMode
Mode = Impedance
Mode = UILevel
Mode = UILvl&Imp
IEC07000084 V3 EN-US
Figure 71: Simplified logic diagram for Automatic switch onto fault logic

Technical data

Table 60: ZCVPSOF technical data
Parameter
Operate voltage, detection of dead line
Operate current, detection of dead line
Time delay to operate for the switch onto fault
function
Time delay for UI detection
Delay time for activation of dead line detection
Drop-off delay time of switch onto fault function
tDLD
& t
DeadLine
tDuration
t
&
SOTFUILevel
&
≥1
&
Range or value
(1–100)% of
UBase
(1–100)% of
IBase
(0.03-120.00) s
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Line differential protection RED650 2.2 IEC
1MRK 505 394-UEN A
15ms
t
&
tSOTF
t
≥1
≥1
Accuracy
±0.5% of U
r
±1.0% of I
r
±0.2% or ±20 ms
whichever is greater
±0.2% or ±20 ms
whichever is greater
±0.2% or ±20 ms
whichever is greater
±0.2% or ±30 ms
whichever is greater
Technical manual
TRIP
SEMOD173230-1 v1
M16043-1 v12