ABB REG670 - Settings

Name Type Description
START BOOLEAN Start (common AC and DC side of exciter)
STARTDC BOOLEAN Start for DC side of exciter
STARTAC BOOLEAN Start for AC side of exciter
ALARM BOOLEAN Alarm
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
FREQU 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
URMSSTAT BOOLEAN RMS voltage status, TRUE when > ULimRMS
7.8.7 Settings
Table 127: ROTIPHIZ Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation On / Off
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
ULimRMS 1 - 1000 V 1 100 RMS voltage level
Table 128: ROTIPHIZ Group settings (advanced)
Name
Values (Range) Unit Step Default Description
FreqInjected 75.000 - 250.000 Hz 0.001 113.000 Injected frequency
1MRK502052-UEN B Section 7
Impedance protection
283
Technical manual