ABB RELION 670 Series Technical Manual page 420

Section 7
Impedance protection
Name Values (Range)
RefR2 0.001 -
1000000000.000
RefX2 -1000000.000 -
1000000.000
RefR3 0.001 -
1000000000.000
RefX3 -1000000.000 -
1000000.000
RefR4 0.001 -
1000000000.000
RefX4 -1000000.000 -
1000000.000
RefR5 0.001 -
1000000000.000
RefX5 -1000000.000 -
1000000.000
Table 194: STTIPHIZ (64S) Non group settings (advanced)
Name Values (Range)
FilterLength 1 s
2 s
7.14.7 Monitored data
Table 195: STTIPHIZ (64S) Monitored data
Name
RAVE
XAVE
FREQV
RFAULT
ZREF
ZREFRE
ZREFIM
VRMSSTAT
414
Unit Step
Ohm 0.001
Ohm 0.001
Ohm 0.001
Ohm 0.001
Ohm 0.001
Ohm 0.001
Ohm 0.001
Ohm 0.001
Unit Step
- -
Type Values (Range)
REAL -
REAL -
REAL -
REAL -
INTEGER -
REAL -
REAL -
BOOLEAN -
Default Description
1000.000 Reference resistance R2 in ohm
2000.000 Reference reactance X2 in ohm
1000.000 Reference resistance R3 in ohm
2000.000 Reference reactance X3 in ohm
1000.000 Reference resistance R4 in ohm
2000.000 Reference reactance X4 in ohm
1000.000 Reference resistance R5 in ohm
2000.000 Reference reactance X5 in ohm
Default Description
1 s Length of filter buffer
Unit Description
Ohm Measured resistance to earth in Ohm at inj
freq
Ohm Measured reactance to earth in Ohm at inj
freq
Hz Measured frequency of injected voltage
into stator
Ohm Estimated fault resistance in Ohm
- Selected reference impedance number
Ohm Used reference impedance real part in
Ohm
Ohm Used reference impedance imaginary part
in Ohm
- RMS voltage status, TRUE when >
VLimRMS
1MRK 502 066-UUS B
PID-6804-MONITOREDDATA v2
Technical manual