Technical Data - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
4.1.5.13
620 series ANSI
Technical Manual
Table 172: 67/50N Monitored data
Name Type
FAULT_DIR Enum
PICKUP_DUR FLOAT32
DIRECTION Enum
ANGLE_RCA FLOAT32
ANGLE FLOAT32
I_OPER FLOAT32
67/50N Enum

Technical data

Table 173: 67/51N and 67/50N Technical data
Characteristic
Operation accuracy
67/51N and 67/50N-1
67/50N-2
1)2)
Pickup time
67/50N-2 and 67/51N
and 67/50N-1:
I
Fault
value
Table continues on next page
Values (Range) Unit
0=unknown
1=forward
2=backward
3=both
0.00...100.00 %
0=unknown
1=forward
2=backward
3=both
-180.00...180.00 deg
-180.00...180.00 deg
0.00...40.00
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Depending on the frequency of the measured
current: 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
62 ms
Pickup
= 2 × set
Section 4
Protection functions
Description
Detected fault direction
Ratio of pickup time / trip time
Direction information
Angle between polarizing and
operating quantity
Angle between operating
angle and characteristic angle
Calculated operating current
Status
±2 Hz
n
n
n
n
n
)
n
n
Typical Maximum
65 ms 69 ms
)
231