Name Type Description
ERROR BOOLEAN Error
ERRSTAT INTEGER Error indication
RAVE REAL Measured resistance to earth in Ohm at inj freq
XAVE REAL Measured reactance to earth in Ohm at inj freq
FREQV REAL Measured frequency of injected voltage into rotor
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
VRMSSTAT BOOLEAN RMS voltage status, TRUE when > VLimRMS
7.13.5 Settings
PID-6723-SETTINGS v2
Table 181: ROTIPHIZ (64R) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Enable/Disable
RTrip 100 - 100000 Ohm 1 1000 Trip limit of fault resistance in Ohm
RAlarm 100 - 1000000 Ohm 1 10000 Alarm limit of fault resistance in Ohm
tAlarm 0.00 - 600.00 s 1.00 30.00 Alarm time delay
FactACLim 0.01 - 2.00 - 0.01 0.25 Scale factor for rotor earth fault on AC side
of exciter
tTripAC 0.000 - 60.000 s 1.000 10.000 Time delay for trip on AC side of exciter
VLimRMS 1 - 1000 V 1 100 RMS voltage level
Table 182: ROTIPHIZ (64R) Group settings (advanced)
Name Values (Range) Unit Step Default Description
FreqInjected 75.000 - 250.000 Hz 0.001 113.000 Injected frequency
1MRK 502 066-UUS B Section 7
Impedance protection
397
Technical manual
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