ABB REG650 User Manual

Name Type Description
OPENCTAL BOOLEAN Open CT Alarm output signal. Issued after a
delay ...
IDL1MAG REAL Fund. freq. differential current, phase L1; in primary
A
IDL2MAG REAL Fund. freq. differential current, phase L2; in primary
A
IDL3MAG REAL Fund. freq. differential current, phase L3; in primary
A
IDNSMAG REAL Negative Sequence Differential current; in primary
Amperes
IBIAS REAL Magnitude of the common Bias current; in primary
Amperes
6.4.5 Settings
Table 46: GENPDIF Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
IdMin 0.10 - 1.00 IB 0.01 0.25 Section 1 sensitivity, multiple of generator
rated current
IdUnre 1.00 - 50.00 IB 0.01 10.00 Unrestr. prot. limit, multiple of generator
rated current
OpNegSeqDiff No
Yes
- - Yes Negative Sequence Differential Enable
Off/On
IMinNegSeq 0.02 - 0.40 IB 0.01 0.10 Neg. sequence curr. limit, as multiple of
gen. rated curr.
Table 47: GENPDIF Group settings (advanced)
Name
Values (Range) Unit Step Default Description
EndSection1 0.20 - 1.50 IB 0.01 1.25 End of section 1, multiple of generator
rated current
EndSection2 1.00 - 10.00 IB 0.01 3.00 End of section 2, multiple of generator
rated current
SlopeSection2 10.0 - 50.0 % 0.1 40.0 Slope in section 2 of operate-restrain
characteristic, in %
SlopeSection3 30.0 - 100.0 % 0.1 80.0 Slope in section 3 of operate-restrain
characteristic, in %
NegSeqROA 30.0 - 120.0 Deg 0.1 60.0 Operate Angle of int/ext neg. seq. fault
discriminator, deg
HarmDistLimit 5.0 - 100.0 % 0.1 10.0 (Total) relative harmonic distorsion limit,
percent
OpCrossBlock No
Yes
- - Yes Operation On / Off for cross-block logic
between phases
AddTripDelay 0.000 - 60.000 s 0.001 0.100 Additional trip delay, when input
raisePickUp=1
Table continues on next page
Section 6 1MRK 502 048-UEN A
Differential protection
124
Technical manual

ABB REG650 Specifications

General

Brand	ABB
Model	REG650
Category	Protection Device
Language	English