ABB REL 356

ABB REL 356 Current Differential Protection
i
Glossary
D
I
Current change detector
Ð
3I0
Zero sequence current angle
D
I
D
V
Current and voltage change detectors
Ð
IA
Phase A current angle
Ð
IB
Phase B current angle
Ð
IC
Phase C current angle
Ð
VAG
Phase A voltage angle
Ð
VBG
Phase B voltage angle
Ð
VCG
Phase C voltage angle
21BI Inner blinder
21BO Outer blinder
3I0 Zero sequence current
3V0 Zero sequence voltage
AB Fault type A-B
ABC Fault type ABC
AG Fault type A-G
ALDT Automatic delay compensation
ALRB Reclose block setting
BC Fault type B-C
BFI Breaker failure initiate
BG Fault type B-G
BK1 Breaker current flowed
BK2 Breaker current flowed
BK3 Breaker current flowed
BK4 Breaker current flowed
BK5 Breaker current flowed
BK6 Breaker current flowed
BKUP Back up setting
C0 Zero sequence setting parameter
C1 Positive sequence setting parameter
C2 Negative sequence setting parameter
CA Fault type C-A
CD Change detector
CG Fault type C-G
CHRX Channel receive status
CHTB Channel trouble
CHTX Transmitter status
CODEC Coder/Decoder
CT Current transformer
CTDD Back up system setting
CTR Current transformer ratio
CTYP Current transformer type, 1A or 5A
DCER Communication error
DCI Digital communication interface
DFT Discrete fourier transform
DIRU Ground directional unit polarization
DKM Fault distance in kilometers
DMI Fault distance in miles
2-15
3-4
3-5
2-15
2-15
2-15
2-15
2-15
2-15
5-25
5-25
2-15
2-17
2-16
2-16
4-1
3-11
3-22
2-16
2-7
2-16
2-16
2-16
2-16
2-16
2-16
2-16
3-13
3-9
3-9
3-9
2-16
3-5
2-16
2-15
2-18
2-15
2-5
1-7
3-13
3-4
3-4
2-18
2-6
4-1
3-14
2-17
2-16