Technical Data - ABB Relion Technical Manual

1MRK 502 048-UUS A
Positive
sequence
current
phasor
Positive
Apparent
sequence
impedance
voltage
calculation
phasor
Dir.Restrain Enabled
ANSI06000458 V2 EN
Figure 74: Simplified logic diagram of LEXPDIS (40) protection
7.3.8
7.4
7.4.1
Technical manual
Z in
Z1 char.
Z
Z in
Z2 char.
Dir.
Restrain

Technical data

Table 69: LEXPDIS (40) technical data
Function
X offset of Mho top point
Diameter of Mho circle
Timers
Operate time
Reset ratio
Out-of-step protection OOSPPAM (78)
Identification
Function description
Out-of-step protection
OR
Range or value
(–1000.00–1000.00)% of Z
Base
(0.01–3000.00)% of Z
Base
(0.00–6000.00) s
55 ms typically
105% typically
IEC 61850 IEC 60617
identification identification
OOSPPAM
Section 7
Impedance protection
pickupZ1
tZ1
AND
0
pickupZ2
tZ2
AND
0
en06000458-
2_ansi.vsd
Accuracy
± 2.0% of V /I
n n
± 2.0% of V /I
n n
± 0.5% ± 25 ms
-
-
ANSI/IEEE C37.2
device number
78
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TripZ1
TripZ2
173