ABB REG670 - Settings

9.6.5 Settings
Table 300: STEFPHIZ Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
Beta 0.50 - 10.00 - 0.01 3.00 Portion of voltN3rdHarmonic used as bias
CBexists No
Yes
- - No Defines if generator CB exists (between
Gen & Transformer)
FactorCBopen 1.00 - 10.00 - 0.01 1.00 Beta is multiplied by this factor when CB is
open
UN3rdH< 0.5 - 10.0 % 0.1 2.0 Pickup 3rd Harm U< protection (when
activated) % of UB/1,732
UT3BlkLevel 0.1 - 10.0 % 0.1 1.0 If UT3 is below limit 3rdH Diff is blocked, in
% of UB/1,732
UNFund> 1.0 - 50.0 % 0.1 5.0 Pickup fundamental UN> protection (95%
SEF), % of UB/1,732
t3rdH 0.020 - 60.000 s 0.001 1.000 Operation delay of 3rd harm-based
protection (100% SEF) in s
tUNFund 0.020 - 60.000 s 0.001 0.500 Operation delay of fundamental UN>
protection (95% SEF) in s
Table 301: STEFPHIZ Non group settings (basic)
Name
Values (Range) Unit Step Default Description
TVoltType NoVoltage
ResidualVoltage
AllThreePhases
PhaseL1
PhaseL2
PhaseL3
-
- ResidualVoltage Used connection type for gen. terminal
voltage transformer
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
9.6.6 Monitored data
Table 302: STEFPHIZ Monitored data
Name
Type Values (Range) Unit Description
UT3 REAL - kV Mag. of 3rd harm. voltage
at generator terminal
side, Volts
UN3
REAL - kV Mag. of 3rd harm. voltage
at generator neutral side,
Volts
E3
REAL - kV Total induced stator 3rd
harmonic voltage,
primary Volts
Table continues on next page
1MRK502052-UEN B Section 9
Voltage protection
535
Technical manual