Technology
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2026-07-29 22:09
Specialized Technology
Steam Generator Secondary System Maintenance
KEPCO KPS performs FOSAR, Foreign Object Search and Retrieval, and maintenance services for the secondary side of steam generators, which
are key components of nuclear power plants.
The company also performs all visual inspections related to nuclear power plants and provides high-quality maintenance services in a timely
manner by developing specialized technologies and systematizing execution procedures.
Major Services
Field Services
- OPR1000 SG secondary side FOSAR and lancing
- APR1400 SG secondary side FOSAR and lancing
- F-type and △53 SG secondary side FOSAR and lancing
- Steam generator upper in-bundle FOSAR
- Reactor and reactor internals FOSAR
Equipment Development and Manufacturing
- Development and manufacturing of inspection robots, specialized endoscope devices, and foreign object removal equipment
Participation in Overseas Nuclear Maintenance Projects
- Participation in overseas nuclear maintenance projects, including Maanshan Nuclear Power Plant in Taiwan and UAE BNPP
Equipment
01
KTIS, KIIS, KEVIS, KUSIS, KUVE, KULAN, UBIB, SWAT, etc.
02
SG Remote Visual Inspection and Cleaning Equipment for APR1400
03
APR1400 and WEC F-type SG Mock-ups
Major Project
Domestic
- FOSAR and in-bundle FOSAR performed for all nuclear power plants
- Upper bundle internal FOSAR performed for OPR1000 and APR1400 SGs
- Upper bundle internal FOSAR performed for WEC F-type SGs
- SG lancing performed for all nuclear power plants
- Low-concentration chemical cleaning performed on the upper tube sheets of SGs for all nuclear power plants
- Reactor visual inspections performed
- Visual inspection of reactor upper internals control rod support pins performed
Overseas
- Surry Unit 2 (FOSAR, lancing)
- Diablo Canyon Unit 1(FOSAR, lancing)
- Farley Unit 2 (FOSAR, Lancing)
- Vogtle Unit 1 (FOSAR, Lancing)
- Maanshan Unit 2 upper bundle internal FOSAR performed
- UAE BNPP Units 1, 2, 3, and 4(SG In-bundle FOSAR) performed
Others
- VT performed for all nuclear power plants
- B.F.P FOSAR performed
- RVI performed(TBN, GEAI)
S/G Secondary Side Equipment Development
- Remote visual inspection robots such as KTIS and KIIS designated as national core technologies
- Development of WEC F-type SG upper bundle internal FOSAR equipment
- Development of FOSAR retrieval tools
- Development and manufacturing of tools for inspecting control rod guide tube support pins in reactor upper internals
- Development of the steam generator sludge lancing process
- Development of various guide tubes and tools
- Development of KULAN, hydraulic cleaning equipment for WEC F-type SG upper bundle internals