ABB RED650, Technical Manual

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• Logical 1 on functional input BLOCK inhibits the output START signal
instantaneously.
• The INHIBIT internal signal is activated, if the power swing has been detected
and the measured impedance remains within its operate characteristic for the
time, which is longer than the time delay set on
tR2 timer. It is possible to
disable this condition by connecting the logical 1 signal to the BLKI01
functional input.
• The INHIBIT internal signal is activated after the time delay, set on tR1 timer,
if an earth-fault appears during the power swing (input IOCHECK is high) and
the power swing has been detected before the earth-fault (activation of the
signal I0CHECK). It is possible to disable this condition by connecting the
logical 1 signal to the BLKI02 functional input.
• The INHIBIT logical signals becomes logical 1, if the functional input
I0CHECK appears within the time delay, set on
tEF timer and the impedance
has been seen within the outer characteristic of ZMRPSB operate
characteristic in all three phases. This function prevents the operation of
ZMRPSB function in cases, when the circuit breaker closes onto persistent
single-phase fault after single-phase autoreclosing dead time, if the initial
single-phase fault and single-phase opening of the circuit breaker causes the
power swing in the remaining two phases.
7.2.7 Technical data
M16036-1 v10
Table 54: ZMRPSB technical data
Function Range or value Accuracy
Reactive reach (0.10-3000.00)
W
/phase ±2.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85
degrees
Resistive reach (0.10–1000.00)
W
/loop
Power swing detection operate
time
(0.000-60.000) s ±0.2% or ±10 ms whichever
is greater
Second swing reclaim operate
time
(0.000-60.000) s ±0.2% or ±20 ms whichever
is greater
Minimum operate current (5-30)% of IBase ±1.0% of I
r
7.3 Automatic switch onto fault logic ZCVPSOF
SEMOD153633-1 v3
7.3.1 Identification
SEMOD155890-2 v4
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Automatic switch onto fault logic ZCVPSOF - -
Section 7
1MRK 505 394-UEN A
Impedance protection
154 Line differential protection RED650 2.2 IEC
Technical manual