Monitored Data; Technical Data - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
Table 373: 78 Non group settings
Parameter Values (Range)
Operation 1=enable
5=disable
Min Ps Seq current 0.01...10.00
Max Ng Seq current 0.01...10.00
Breaker open Time 0...300
Disable time 0...60000
Reset time 0...60000
Voltage reversal 0=No
1=Yes
4.7.2.8
4.7.2.9
512
Unit Step
xIn 0.01
xIn 0.01
ms 1
ms 10
ms 10

Monitored data

Table 374: 78 Monitored data
Name Type
SWING BOOLEAN
Z1_AMPL FLOAT32
Z1_ANGLE FLOAT32
78 Enum

Technical data

Table 375: 78 Technical data
Characteristic
Impedance measurement accuracy
Suppression of harmonics
Reset time
Default Description
5=disable Operation Disable / Enable
0.10 Minimum positive sequence current for
operation
0.20 Maximum negative sequence current for
operation
30 Time for breaker to open aftercommand
5000 Added dropout time for DISABLE input
5000 Time to reset OOS condition and counters
0=No Rotate voltage signals by 180 degrees
Values (Range) Unit
0=False
1=True
0.00...99999.00 ohm
-179...180 deg
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Z1_Amplitude: ±(1.0% or 0.1 Ω)
Z1_Angle: 1°
DFT: -60 dB at f = n × f
±1.0% of the set value or ±40 ms
1MAC504801-IB E
Description
Swing output
Positive sequence impedance
amplitude
Positive sequence impedance
phase angle
Status
, where n = 2, 3, 4, 5, 6, 7
n
620 series ANSI
Technical Manual