ABB
35
Feeder Protection and Control
REF615
Product version: 2.0
1MRS756379 D
Table 52. Three-phase inrush current detection (INRPHAR)
Operation accuracy
At the frequency f=f
n
Current measurement:
±1.5% of set value or ±0.002 x In
Ratio I2f/I1f measurement: ±5.0% of set value
Reset time
+35 ms / -0 ms
Reset ratio
Typical 0.96
Operate time accuracy
+35 ms / -0 ms
Table. 53 Three-phase inrush current detection (INRPHAR) main settings
Parameter
Function
Value (Range)
Step
Start value
(Ratio of the 2nd to the 1st har-
monic leading to restraint)
INRPHAR
5...100 %
1
Operate delay time
INRPHAR
20...60000 ms
1
Maximum temperature
(temperature level for operate)
T1PTTR
20.0...200.0°C
0.1
Alarm value
(Temperature level for start
(alarm))
T1PTTR
20.0...150.0°C
0.1
Reclose temperature
(Temperature for reset of block
reclose after operate)
T1PTTR
20.0...150.0°C
0.1
Initial temperature
(Temperature raise above ambient
temperature at startup)
T1PTTR
-50.0...100.0 °C
0.1
(Table continued)
Table 54. Arc protection (ARCSARC)
Operation accuracy
±3% of the set value or ±0.01 x I
n
Operate time
Minimum
Typical
Maximum
Operation mode =
“Light+current”
1) 2)
9 ms
12 ms
15 ms
Operation mode =
“Light only”
2)
9 ms
10 ms
12 ms
Reset time
< 40 ms
Reset ratio
Typical 0.96
1)
Phase start value
= 1.0 x In, current before fault = 2.0 x set
Phase start value
, fn = 50Hz, fault with nominal
frequency, results based on statistical distribution 200 measurements
2) Includes the delay of the heavy-duty output contact
Summary of Contents for relion REF615
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