ABB 615 Series - Monitored Data; Technical Data

Table 446: 87LOZREF Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation 1=enable
5=disable
1=enable Operation Disable / Enable
CT connection type 1=Type 1
2=Type 2
2=Type 2 CT connection type
Table 447: 87LOZREF Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
4.3.3.8 Monitored data
Table 448: 87LOZREF Monitored data
Name Type Values (Range) Unit Description
PICKUP_DUR FLOAT32 0.00...100.00 % Ratio of pickup time / trip time
RES2H BOOLEAN 0=False
1=True
2nd harmonic restraint
IDIFF FLOAT32 0.00...80.00 xIn Differential current
IBIAS FLOAT32 0.00...80.00 xIn Stabilization current
87LOZREF Enum 1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.3.3.9 Technical data
Table 449: 87LOZREF Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
±2.5% of the set value or ±0.002 x I
n
Pickup time
1)2)
Minimum Typical Maximum
I
Fault
= 2.0 × set Trip
value
37 ms 41 ms 45 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Table continues on next page
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 549
Technical Manual