Samchang Advancing I&C
Tech for Nuke Power Plant
Focuses on knowledge management

Samchang Enterprise Co. Ltd aims to become the best leading instrumentation and control company having the expertise that are included in a lot of operating and maintenance experience in nuclear power plant.
Samchang strives for becoming a leading instrumentation and control company by promoting knowledge management aimed at advancing core technologies related to the instrumentation and control systems for nuclear power plants.
Samchang sets its sights on realizing a mission of ensuring reliability of nuclear power plants and improving efficient operation at a time when a rapid advancement of technologies and competition have prevailed in the nuclear power industry that becomes a matter of renewed concern amid crude oil price hikes and the depletion of natural resources.
Capitalizing on the experiences and R&D activities the company has conducted so far in such areas as nuclear power plant start-up operation and maintenance, Samchang has put more energy into evolving into an instrumentation and control leader by upgrading core technologies and building up a knowledge management infrastructure to enhance maintenance and productivity levels.
As part of its efforts to promote technology manpower development, a key factor for introducing knowledge management, Samchang has adopted such regimes as a technology qualification management system, a work suggestion system and diverse reward programs.
In particular, the technology qualification management system evaluates each individual knowledge level, filed work capability, customer satisfaction degree, experiences in maintenance, suggestion of work-related ideas, presentation and other technology development efforts to set targets for improving his or her maintenance capability and offer wage-related rewards as a means to prod his or her voluntary participation.
KHNP Nuclear Power Education Institute has been not only commissioned to educate Samchang staff as part of its efforts to foster manpower in a systematic manner. Commissioned educational institutes on instrumentation and control also conduct education programs on such technologies necessary for performing field jobs as Instrumentation Control, Programmable Logic Controller (PLC) as well as futuristic applicable areas, including PC BASE MMI (Man Machine Interface), DCS (Distributed Control System) and FIELD-BUS. Experts on filed systems and equipment have been also invited to help maintenance people have an understanding of that areas.
Based on its experiences in areas as nuclear instrumentation control system start-up operation, maintenance and facility improvement and the supply of devices & materials, Samchang Enterprise is focusing on R&D projects to localize a nuclear power instrumentation control system,
The company aims to secure advanced technologies in the instrumentation and control sector by building up an infrastructure for providing total services system from R&D to design. Its affiliated labs, including Samchang Enterprise R&D Center and Control Technology Research Institute are in operation to pursue the company's goal of technical advancement. Samchang has strived for R& D activities to win over fierce competition in this century of technological changes. The company has succeeded in localizing diverse electronics control cards and control systems and devices that have led to a reduction in foreign currency payments thanks of the substitution of imports. Samchang had carried out such projects as Ground Fault Detector (GFD), Radiation Monitoring System (RMS), Environment Radiation Monitoring System (ERMS), Portal Monitor System, Hand & Foot Monitor, Vibration Monitoring System, Reliability Centered Maintenance (RCM) and Advanced Dosimetric System with Alarm Function. It has achieved a feat of localizing the Intelligent Digital Governor Control System for five years of research, based on its accumulated expertise and experiences in R&D efforts in power plant instrumentation and control areas.
Samchang has recently been working on the Nuclear Instrument System-Power Range (NIS-PR), Environment Radiation Monitoring System (ERMS), Self Luminous glass Tube (SLT), Loose Part Monitoring System (LPMS), Integrated Leaked Rate Test (ILRT), Periodic Safety Review (PSR), Equipment Qualification (EQ) and Dedication (commercial grade item quality assurance) projects.
Its research focus will be on the future radiation technology development by making the most use of the existing radiation technology infrastructure and maximum utilization of the already finished research in pursuit of developing digital equipment application and system units, key parts of the future power plant instrumentation and control technologies. Samchang plans to bring about synergetic effects by beefing up R&D capabilities in software V&V, EMI/EMC requirement and other sectors, utilizing the experiences it has accumulated during maintenance and supplementing them in collaboration with foreign specialized companies.
Samchang have worked to solve grievances for maintenance in the field by providing technological support in such categories as power supply check-up equipment, Governor (GOV) testing devices, Incore Thimble Cleaning, and the testing and replacement of diverse electronics circuits. The company has taken precautionary measures against equipment to ensure safety following years of operation while establishing a smooth system for supporting the field of the maintenance sector.
Starting with the start-up operation of the instrumentation and control area of Kori Nuclear Power Unit 2 in 1981, Samchang has performed such work in Kori Units 3&4, Yongkwang Units 1, 2, 3, 4, 5 & 6, Uljin Units 1, 2, 3, 4 & 5 and Wolsong Units 2, 3 & 4. Since its launching the maintenance of the instrumentation and control sector in 1989, the company has been engaged in the job for 14 out of 20 nuclear power units in operation across the nation. Despite such developments as a rapid technological advancement in the domestic nuclear power industry and the introduction of an open competition system following market-opening measures, Samchang has made its utmost to accomplish an immense mission of ensuring reliability of nuclear power plants and improving availability as an instrumentation and control system maintenance company.
Based on its accumulated expertise and experiences, Samchang is seeking to join forces with other domestic time-honored construction firms in its bid for the installation and start-up operation of the instrumentation and control systems for the projected Korean standard Shin-Kori and Shin-Wolsong nuclear units, To this end, the company is working hard to provide its employees with educational and training programs on filed management, installment and start-up operation techniques, It is also trying to secure expertise manpower specializing in the installment and start-up operation of nuclear power plant systems, while concentrating on new technology and development technological improvement in the areas by accumulating expertise and collecting & studying related materials.
Since it's founding in 1974, Samchang has suffered no labor disputes. Through collaboration between management and labor, the company is putting more energy into enhancing technology manpower's capability and ensuring customer satisfaction. Under a human-oriented management strategy, Samchang has built up a field safety management system and conducted training programs on the awareness toward safety and the implementation of anti-disaster measures.
Samchang has established itself as a maintenance company specializing in the installation and start-up operation of the instrumentation and control sector. The company has engaged in the localization of nuclear power plant instrumentation and control systems and devices as well as R&D activities on automation and control areas for industrial plants. Samchang has put into practice such steps to ensure safety of nuclear plants as the implementation of general, periodic preventive maintenance and others.
Besides, Samchang has obtained the IOS 9001:2000 certificate designed to meet global environmental obligations, patents and patents on new devices, Korea Good Technology, New Technology certificates and Nuclear Safety Mark twice.
Samchang endeavors to secure technological prowess in the maintenance of nuclear power plant instrumentation and control areas by making the most use of synergetic effects of knowledge management in a bid to tide over difficulties stemming from a rapid technological change of the domestic nuclear power industry and the opening of the local maintenance market. The company is striving to become a leading company in the nuclear power plant instrumentation and control area offering total services ranging from design, installation and start-up operation and supply of devices and equipment. Its executives and staff are doing their best to create a better working environment and promote corporate development with a focus on promoting creativity and personal development, thus contributing to ensuring safety and reliability of nuclear power plants.
Samchang Chairman-CEO Lee Doo-chul said, "Samchang is prepared to confront the ever-changing business world which requires spirit of challenge and self-innovation. We will make constant endeavor to build a lasting trust among our customers and become the leading technology oriented company of the world." nw

Samchang Chairman-CEO Lee Doo-chul