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Abbreviation
Description
AB
Access Building
ABB
Auxiliary Boiler
Building
ABVS
Access
Building Ventilation System
AC
Alternating Current
ADAM
?
Valve Diagnosis and Evaluation Method
ADC
Analog to Digital
Converter
AHU
Air Handling
Unit
AICC
Adiabatic
Isochoric Complete Combustion
ALARA
As Low As Reasonable Achievable
ALS
Automation Level System
ALU
Actuation Logic Units
AMDA
Automated
Modular/Mobile Decontamination Appliance
AMS
Aero-ball Measurement
System
AO
Axial Offset (%)
AOO
Anticipated Operational
Occurrence
AOV
Pneumatic
Operated Valve
AP
Automation
Processors
APC
Airplane
Crash
APU
Acquisition And
Processing Units
ARI
All
Rods In
ARO
All Rods Out
AS
Automation System
ASME
American Society of
Mechanical Engineers
ATWS
Anticipated Transient Without Scram
ATWT
Anticipated Transient
Without Trip
AU
Automation Unit
A
VB
Antivibration
Bars
A
VS
Annulus
Ventilation System
BDR
Basic
Design Report
BNI
Balance of Nuclear Island
BOC
Beginning of Cycle
BOL
Beginning of Life
BOP
Balance of Plant
BP
Break Preclusion
BPC
Break Preclusion Concept
BU
Burnup (Mwd/TU or Efpds)
C&L
Control & Limitation /
Control & Logic
CAI
Common Alarm Indicators
CB
Boron Concentration (Ppm)
CBM
Condition-Based
Maintenance
CCF
Common Cause
Failure
CCTV
Closed-circuit
TV
CCW(S)
Component Cooling
Water (System)
CEB
Canbus-
Ethernet-Bridge
CET
Containment Event Tree
CGNPC
China Guangdong Nuclear Power Holding
Co., Ltd.
CHF
Critical Heat
Flux
CHRS
Containment Heat
Removal System
CI
Conventional Island
CIVS
Conventional Island Ventilation System
CL(I)
Cold Leg (Injection)
CMF
Core Melt Frequency
CMU
Control and Monitoring
Units
CNNC
China National
Nuclear Corporation
COMET
?
Core Model Based on Equivalent Theory
CORD
Chemical Oxidation
Reduction Decontamination
COT
Core Outlet Temperature
CP
Communication Processors
CPC
Corrosion Protection Concept
1
CPU
Central
Processing Unit
CRDM
Control
Rod Drive Mechanism
CS
Cold
Shutdown
Csi
Fission
Products (Cesium-Iodine)
CSS
Containment Spray System
CU
Control Units
CVCS
Chemical and V
olume Control
System
CW
Civil Work
DB
Diesel Building(S)
DBA
Design Basis Accident
DBC
Design Basis Condition
DBE
Design Basis Earthquake
DBTT
Ductile-to-Brittle
Transition Temperature
DC
Direct Current
DCH
Direct Containment Heating
DCS
Digital Control System
DDT
Deflagration -
Detonation Transition
DEC
Design Extension Condition
DG
Diesel Generator
DIN
Deutsches
Institut fü
r Normung
DN
Nominal Diameter
DNB
Departure From Nucleate Boiling
DNB(R)
Departure From
Nucleate Boiling (Ratio)
DNBR
Departure From Nucleate Boiling Ratio
DNBRO
Departure
From
Nucleate
Boiling
Ratio
For
Steady-State
Operation
DR
Deficiency Report
DS
Diagnosis System
DSIN
Direction De La Surete
Des Installations Nucleaires
DTM
Dome Temperature Measurement
DWS
Demineralized Water System
EBS
Extra Borating System
EC
European Community
ECC(S)
Emergency Core
Cooling (System)
EDG
Emergency Diesel Generator
EFPD
Effective Full-Power
Days
EFWS
Emergency
Feedwater System
EMC
Electromagnetic Compatibility
EN
European Standards
EOC
End of Cycle
EOL
End of Life
EOP
Emergency Operating
Procedure
EPGB
Emergency
Power Generating Building
EPR
European Pressurized Water Reactor
EPRI
Electric Power Research
Institute (USA)
EPS
Electromagnetic Protection System
EPW
Explosion Pressure Wave
ESF
Engineered Safety
Features
ESFAS
Engineered
Safety Features Actuation System
ESW
Essential Service Water
ESWCCS
Essential Service
Water Cooler Cleaning System
ESWPB
Essential Service Water Pump Building
ESWPBVS
Essential Service
Water Pump Buildings Ventilation System
ESWS
Essential Service Water
System
EU
European Union
EUF
Equivalent
Unavailability Factor
EUR
European Utility Requirements
F&B
Feed and Bleed
F
?
H
Hot Channel Enthalpy Rise Factor
FA
Fuel Assembly
2
FAMOS
Fatigue
Monitoring System
FANP
Framatome Advanced Nuclear Power
FAT
Factory Acceptance Test
FB
Fuel Building
FCI
Fuel Coolant Interaction
FDD
Flow Distribution Device
FDS
Fire Detection System
FHS
Fuel Handling and
Storage
FL
Feed Line
FL?S
Humidity Leakage
Monitoring System
FMC
Fast
Measurement Computer
FMC-Server
Sun Workstation
FP
Full Power
FPCS
Fuel Pool Cooling System
FQ
Maximum Power Peaking Factor
FRNC
Flame Retardant Non-
Corrosive
FROG
Framatome
Owners' Group
FSCD
Fast
Secondary Cooldown
FUM
I/O
Functional Modules
FW
Feedwater
FW(L)
Feedwater (Line)
FWLB
Feedwater Line Break
FZ
Radial Power Peaking Factor
GCB
Generator Circuit
Breaker
GRS
Gesellschaft
fü
r Anlagen- und Reaktorsicherheit
GU
German Utilities
GWPS
Gaseous Waste
Processing System
GWTS
Gaseous Waste Treatment System
H&S
Health and Safety
HEP
Human Error Probability
HEPA
High
Efficiency Particulate Air
HFP
Hot Full Power
HIC
High Integrity Container
HL(I)
Hot Leg (Injection)
HLPD
High Linear Power
Density
HMI
Human Machine
Interface
HP
High Pressure
HR
Heavy Reflector
HRA
Human Reliability
Analysis
HV
AC
Heating, Ventilation, Air Conditioning
HX
Heat Exchanger
HZP
Hot Zero Power
I&C
Instrumentation and
Control
I/O
Input/Output
(Analog/Binary Input/Output Module)
IAEA
International Atomic
Energy Agency
IB(-LOCA)
Intermediate-Break (Loss-Of-Coolant
Accident)
ICCMS
Integrated
Core Cooling Monitor System
IEC
International Electrotechnical
Commission
IEEE
Institute of
Electric and Electronic Engineers
IGSCC
Intergranular Stress Corrosion Cracking
IMS
Information Management
System
IPB
Isolated Phase
Busbar
IRSN
Institut De
Protection Et De Sureté
Nuclé
aire
IRWST
In-Containment Refueling Water Storage
Tank
ISI
In-Service
Inspection
KTA
Kerntechnischer Ausschuss
K?S
Loose Part Monitoring
System
KWU
Kraftwerk Union
LAN
Local Area Network
LBB
Leak Before Break
3