Monitored Data; Technical Data - ABB 615 series Technical Manual

1MAC059074-MB A
Table 446: 87LOZREF Non group settings (Basic)
Parameter Values (Range)
Operation 1=enable
5=disable
CT connection type 1=Type 1
2=Type 2
Table 447: 87LOZREF Non group settings (Advanced)
Parameter Values (Range)
Reset delay time 0...60000
4.3.3.8
4.3.3.9
615 series ANSI
Technical Manual
Unit Step
Unit Step
ms 1

Monitored data

Table 448: 87LOZREF Monitored data
Name Type
PICKUP_DUR FLOAT32
RES2H BOOLEAN
IDIFF FLOAT32
IBIAS FLOAT32
87LOZREF Enum

Technical data

Table 449: 87LOZREF Technical data
Characteristic
Operation accuracy
1)2)
Pickup time
I
Fault
value
Reset time
Reset ratio
Table continues on next page
Default Description
1=enable Operation Disable / Enable
2=Type 2 CT connection type
Default Description
20 Reset delay time
Values (Range) Unit
0.00...100.00 %
0=False
1=True
0.00...80.00 xIn
0.00...80.00 xIn
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Depending on the frequency of the measured
current: f
±2.5% of the set value or ±0.002 x I
Minimum
Trip
= 2.0 × set 37 ms
Typically 40 ms
Typically 0.96
Section 4
Protection functions
Description
Ratio of pickup time / trip time
2nd harmonic restraint
Differential current
Stabilization current
Status
±2 Hz
n
n
Typical Maximum
41 ms 45 ms
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