Technical Data; Technical Revision History - ABB 615 series Technical Manual

1MAC059074-MB A
4.1.2.11
4.1.2.12
615 series ANSI
Technical Manual

Technical data

Table 256: 67/51P, 67/50P Technical data
Characteristic
Operation accuracy
67/51P
67/50P
1)2)
Pickup time
I
Fault
value
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Trip time accuracy in inverse time mode
Suppression of harmonics
Measurement mode and Pol quantity = default, current before fault = 0.0 × I
1)
V , f = 50 Hz, fault current in one phase with nominal frequency injected from random phase angle, results
n n
based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Maximum Pickup value = 2.5 × I

Technical revision history

Table 257: 67/50P Technical revision history
Technical revision
B
C
D
E
Value
Depending on the frequency of the current/voltage
measured: f
Current:
±1.5% of the set value or ±0.002 × I
Voltage:
±1.5% of the set value or ±0.002 × V
Phase angle: ±2°
Current:
±1.5% of the set value or ±0.002 × I
(at currents in the range of 0.1...10 × I
±5.0% of the set value
(at currents in the range of 10...40 × I
Voltage:
±1.5% of the set value or ±0.002 × V
Phase angle: ±2°
Minimum
= 2.0 × set Pickup
39 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × f
, Pickup value multiples in range of 1.5...20
n
Change
Added a new input NON_DIR
Step value changed from 0.05 to 0.01 for the
multiplier setting.
Monitored data VMEM_USED indicating voltage
memory use.
Internal improvement.
Section 4
Protection functions
±2 Hz
n
n
n
n
)
n
)
n
n
Typical Maximum
43 ms 47 ms
3)
, where n = 2, 3, 4, 5,...
n
, voltage before fault = 1.0 ×
n
Time
257