ABB Relion 650 Series Technical Manual page 637

1MRK 506 326-UUS B
Section 22
AC
ACT
A/D converter
ADBS
AI
ANSI
AR
ASCT
ASD
AWG
BI
BOS
BR
BS
CAN
CB
CCITT
CCVT
Class C
CMPPS
CMT
CO cycle
Codirectional
COMTRADE
Contra-directional
CPU
CR
CRC
CROB
CS
Line distance protection REL650
Technical manual
Glossary
Alternating current
Application configuration tool within PCM600
Analog-to-digital converter
Amplitude deadband supervision
Analog input
American National Standards Institute
Autoreclosing
Auxiliary summation current transformer
Adaptive signal detection
American Wire Gauge standard
Binary input
Binary outputs status
External bistable relay
British Standards
Controller Area Network. ISO standard (ISO 11898) for serial
communication
Circuit breaker
Consultative Committee for International Telegraph and Telephony. A
United Nations-sponsored standards body within the International
Telecommunications Union.
Capacitive Coupled Voltage Transformer
Protection Current Transformer class as per IEEE/ ANSI
Combined megapulses per second
Communication Management tool in PCM600
Close-open cycle
Way of transmitting G.703 over a balanced line. Involves two twisted pairs
making it possible to transmit information in both directions
Standard Common Format for Transient Data Exchange format for
Disturbance recorder according to IEEE/ANSI C37.111, 1999 / IEC60255-24
Way of transmitting G.703 over a balanced line. Involves four twisted pairs,
two of which are used for transmitting data in both directions and two for
transmitting clock signals
Central processor unit
Carrier receive
Cyclic redundancy check
Control relay output block
Carrier send
© Copyright 2011 ABB Power Grids. All rights reserved
Section 22
Glossary
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