ABB RELION REX640, Техническое руководство, Страница: 1300 / 1960

Parameter Values (Range) Unit Step Default Description
5=off
Table 1235: LBRDOB Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Min Ps Seq voltage 0.1...1.0 xUn 0.1 0.1 Minimum positive
sequence voltage
Max Ng Seq current 0.01...10.00 xIn 0.01 0.20 Maximum negative
sequence current
5.16.9 Monitored data
5.16.9.1 LBRDOB Monitored data
Table 1236: LBRDOB Monitored data
Name Type Values (Range) Unit Description
Z1_AMPL FLOAT32 0.00...99999.00 ohm Positive sequence im-
pedance amplitude
Z1_ANGLE FLOAT32 -180.00...180.00 deg Positive sequence im-
pedance phase angle
LBRDOB Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
5.16.10 Technical data
Table 1237: LBRDOB Technical Data
Characteristic Value
Operation accuracy Depending on the frequency of the current
measured: f
n
Current:
±1.5% of the set value or ±0.002 × I
n
Voltage:
±1.5% of the set value or ±0.002 × U
n
Impedance accuracy:
±3% of the set value
(In range load angle<75 deg)
±4.5% of the set value
(In range 75 deg<load angle<83 deg)
Table continues on the next page
Protection related functions 1MRS759142 F
1300 REX640
Technical Manual