Name
Type
Description
RAVE
REAL
Measured resistance to earth in Ohm at inj freq
XAVE
REAL
Measured reactance to earth in Ohm at inj freq
FREQU
REAL
Measured frequency of injected voltage into stator
RFAULT
REAL
Estimated fault resistance in Ohm
ZREF
INTEGER
Selected reference impedance number
ZREFRE
REAL
Used reference impedance real part in Ohm
ZREFIM
REAL
Used reference impedance imaginary part in Ohm
URMSSTAT
BOOLEAN
RMS voltage status, TRUE when > ULimRMS
7.9.7
Settings
Table 138:
STTIPHIZ Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation On / Off
RTrip
100 - 10000
Ohm
1
1000
Trip limit of fault resistance in Ohm
RAlarm
100 - 100000
Ohm
1
5000
Alarm limit of fault resistance in Ohm
tAlarm
0.00 - 600.00
s
1.00
30.00
Alarm time delay
OpenCircLim
100 - 10000000
Ohm
1
10000000
Open circuit limit in Ohm
ULimRMS
1 - 1000
V
1
100
RMS voltage level
Table 139:
STTIPHIZ Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
FreqInjected
50.000 - 250.000
Hz
0.001
87.000
Injected frequency
Table 140:
STTIPHIZ Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
k1Real
-10000000000.000
- 10000000000.000
-
0.001
10000.000
Multiplication factor k1 for calibration, real
part
k1Imag
-10000000000.000
- 10000000000.000
-
0.001
0.000
Multiplication factor k1 for calibration,
imaginary part
k2Real
-10000000000.000
- 10000000000.000
Ohm
0.001
0.000
Addition factor k2 for calibration, real part
in Ohm
k2Imag
-10000000000.000
- 10000000000.000
Ohm
0.001
0.000
Addition factor k2 for calibration,
imaginary part in Ohm
RefR1
0.001 -
1000000000.000
Ohm
0.001
1000.000
Reference resistance R1 in ohm
RefX1
-1000000.000 -
1000000.000
Ohm
0.001
2000.000
Reference reactance X1 in ohm
RefR2
0.001 -
1000000000.000
Ohm
0.001
1000.000
Reference resistance R2 in ohm
Table continues on next page
1MRK502052-UEN B
Section 7
Impedance protection
297
Technical manual
Summary of Contents for Relion REG670
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