Technology
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2026-07-29 22:08
Specialized Technology
Non-Destructive Testing
KEPCO KPS performs pre-service inspections and in-service inspections for major facilities,
including reactor facilities, to ensure the reliability of power generation facilities.
The company also performs nondestructive evaluation for thermal power plants and industrial facilities, while continuously focusing on the development and acquisition of new technologies.
Major Services
- Pre-service inspection, PSI, and in-service inspection, ISI, for nuclear power plants
- Manual and automated ultrasonic testing, UT, of piping using ultrasonic performance demonstration
- Automated ultrasonic testing, UT, of reactor vessels using ultrasonic performance demonstration, EPRI, United States
- Nondestructive Evaluation of major equipment across all power generation facilities in Korea
- Nondestructive Evaluation for overseas nuclear power plants
- Corrosion and defect evaluation of various heat exchanger tubes and pipes
- Nondestructive Evaluation for petrochemical plants
- Nondestructive Evaluation for construction and manufacturing of various plants
- Nondestructive Evaluation technology training, technical support, and consulting
Applicable Inspection Methods and Technology
Reactor and Reactor Internals Inspection
- Remote visual inspection inside reactors
- Baffle Former bolt inspection
Automated Ultrasonic Testing (AUT)
- Pressure vessel weld inspection
- Thermal stratification piping weld inspection
- Dissimilar metal weld inspection
- Automated ultrasonic testing of reactor vessels
- Reactor upper head penetration inspection
- Reactor lower head penetration inspection
Manual Ultrasonic Testing (MUT)
- Piping weld inspection
- Pressure vessel weld inspection
- Dissimilar metal weld inspection
Radiographic Testing (RT)
- Piping welds, pressure vessels, valves, pumps, forged products, cast steel products, and related components
Penetrant Testing (PT)
- Dye penetrant testing
- Water-washable fluorescent penetrant testing
- Post-emulsifiable fluorescent penetrant testing
Magnetic Particle Testing (MT)
- Yoke, coil, prod, and head shot methods
Special Inspection
- IG SCC inspection
- TBN GEN non-destructive testing
- Ultrasonic testing of turbine blades
- Swirl vane nondestructive evaluation
Eddy Current Testing (ECT)
- Inspection targets: steam generators, sleeves, and in-core thimbles
- Inspection methods: bobbin inspection, MRPC inspection, and GPP inspection
- Qualifications held: ASNT, American Society for Nondestructive Testing, ECT Level III, and QDA, qualification for steam generator ECT signal evaluation in the United States
Visual Testing (VT)
- Remote visual inspection using borescopes, fiberscopes, and CCTV systems.
- Inspection of support structures, hangers, snubbers, and various welds
Leak Testing(LT)
- Bubble test
- Pressure change measurement test
- VBT inspection of containment vessel inner walls
Equipment
01
Signal acquisition equipment: MIZ-70, MIZ-80i, and related equipment
02
Signal evaluation equipment: Eddynet System, Zetec
03
Automated ultrasonic testing equipment for piping and reactor vessels (PARAGON and Intraspect)
04
Visual inspection equipment (ROS System)
05
Reactor vessel inspection equipment (SUPREEM)
Major Projects
Domestic
- Non-destructive diagnostic services for all domestic power generation facilities since 1978
- Non-destructive testing for thermal power plant construction: Seocheon Units 1 and 2 and five other units
- Nuclear power plant pre-service inspection services: Wolsong Units 2, 3, and 4
- Nuclear power plant in-service inspection services: all units, including Kori Units 1, 2, 3, and 4; Wolsong Units 1, 2, 3, and 4; Yeonggwang Units 1, 2, 3, 4, 5, and 6; and Uljin Units 1, 2, 3, 4, 5, and 6
- Nondestructive Evaluation of containment vessel inner walls: Kori Unit 4
- Nondestructive Evaluation for heavy chemical industrial facilities: Pohang Steel Works, SK Corp., Hanwha Energy, Hansol Paper, and others
- Eddy current testing of various heat exchangers: power generation facilities and chemical plant facilities
Overseas
- Non-destructive testing for U.S. nuclear power plants: Farley Nuclear Power Plant and nine other units
- Steam generator tube ECT for U.S. nuclear power plants
- RCCA ECT for U.S. nuclear power plants
- CRDM inspection for German nuclear power plants
- Support for automated ultrasonic testing of reactor vessels at U.S. and German nuclear power plants (Byron Unit 1 and three other units)