Settings - ABB REG650 Technical Manual

Section 9
Voltage protection
9.5.5
Table 163: STEFPHIZ (59THD) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
Beta 0.50 - 10.00
CBexists No
Yes
FactorCBopen 1.00 - 10.00
VN3rdHPU 0.5 - 10.0
VT3BlkLevel 0.1 - 10.0
VNFundPU 1.0 - 50.0
t3rdH 0.020 - 60.000
tVNFund 0.020 - 60.000
Table 164: STEFPHIZ (59THD) Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 6
TVoltType NoVoltage
ResidualVoltage
AllThreePhases
PhaseA
PhaseB
PhaseC
284

Settings

Unit Step
- -
- 0.01
- -
- 0.01
% 0.1
% 0.1
% 0.1
s 0.001
s 0.001
Unit Step
- 1
- -
Default Description
Disabled Disable/Enable Operation
3.00 Portion of 3rd harm voltage in neutral point
used as bias
No Defines if generator CB exists (between Gen
& Transformer)
1.00 Beta is multiplied by this factor when CB is
open
2.0 Pickup 3rd Harm V< protection (when
activated) % of VB/1,732
1.0 If VT3 is below limit 3rdH Diff is blocked, in %
of VB/1,732
5.0 Pickup fundamental VN> protection (95%
SEF), % of VB/1,732
1.000 Operation delay of 3rd harm-based protection
(100% SEF) in s
0.500 Operation delay of fundamental VN>
protection (95% SEF) in s
Default Description
1 Selection of one of the Global Base Value
groups
ResidualVoltage Used connection type for gen. terminal
voltage transformer
1MRK 502 043-UUS B
Technical Manual