Power Plant Abbreviations and Acronyms

1. OLED
   Light-Emitting Diode
2. OLT
   Oil Leakage Test
3. OP
   Output Power Operating Procedure
4. OPC
   Over-speed Protection Controller
5. OPER
   Operating
6. OPERG
   Operating
7. OPMS
   Operation Performance Management System
8. OPR
   Operating
9. OR
   Operating Record
10. ORCHIS
    System
11. OS
    Operator Station
12. OT
    Oxygen Treatment
13. OVHL
    Overhaul
14. PA
    Power Amplifier
15. PA
    Primary Air
16. PA
    Partial Arc
17. PAF
    Primary Air Fan
18. PAFS
    Primary Air Fans
19. PAH
    Primary Air Heater
20. PAMS
    Post-accident Montoring Instrumentation

Last updated: May 6, 2025 — Total entries: 2,453