Technical Data - ABB REB650 Technical Manual

Section 12
Monitoring
12.13.8
12.14
12.14.1
308
= × × + ×
V p Z I R I
A 1L A F A
EQUATION1603 V1 EN
Where:
I is according to table 248.
A
The accuracy of the distance-to-fault calculation, using the non-compensated
impedance model, is influenced by the pre-fault load current. So, this method is only
used if the load compensated models do not function.

Technical data

Table 249: LMBRFLO technical data
Function
Reactive and resistive reach
Phase selection
Maximum number of fault
locations
Station battery supervision SPVNZBAT
Identification
Function description
Station battery supervision function
Value or range
(0.001-1500.000) Ω/phase
According to input signals
100
IEC 61850 IEC 60617
identification identification
SPVNZBAT U<>
1MRK 505 277-UUS C
(Equation 71)
Accuracy
± 2.0% static accuracy
± 2.0% degrees static angular
accuracy
Conditions:
Voltage range: (0.1-1.1) x V
n
Current range: (0.5-30) x I
n
-
-
ANSI/IEEE C37.2
device number
-
Technical Manual