ABB 615 Series - Monitored Data; Technical Data

Parameter Values (Range) Unit Step Default Description
Curve parameter C 0.02...2.00 1 2.00 Parameter C for customer programmable
curve
Curve parameter D 0.46...30.00 1 29.10 Parameter D for customer programmable
curve
Curve parameter E 0.0...1.0 1 1.0 Parameter E for customer programmable
curve
Table 394: 51NHA Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 10 20 Reset delay time
4.2.5.8 Monitored data
Table 395: 51NHA Monitored data
Name Type Values (Range) Unit Description
PICKUP_DUR FLOAT32 0.00...100.00 % Ratio of pickup time / trip time
I_HARM_RES FLOAT32 0.0...30000.0 A Calculated harmonics current
BLKD_I_REF BOOLEAN 0=False
1=True
Current comparison status
indicator
51NHA Enum 1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.2.5.9 Technical data
Table 396: 51NHA Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
±5% of the set value or ±0.004 × I
n
Pickup time
1)2)
Typically 77 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Table continues on next page
Section 4 1MAC059074-MB A
Protection functions
408 615 series ANSI
Technical Manual