Research and Development

Realization of customer value and unvarying research and development ensure the future of YOUSUNG INSTRUMENT & ELECTRIC CO., LTD.

R&D Center of YOUSUNG INSTRUMENT & ELECTRIC CO., LTD.

Founded in 1996 as YOUSUNG INSTRUMENT & ELECTRIC CO., LTD. Enterprise Annex Lab, we are leading the digitization of new substation equipment and product development. We have been developing a wide range of products, e.g. digital protection relay, intelligent digital protection relay (IED), semiconductor solid control relay, GIS and partial discharge monitoring system for transformers, and transformer bushing online diagnostic devices used in power equipment protection control systems, substation automation systems, and power facility preventive diagnosis systems and supplying to KEPCO.

Intellectual property registration

Patent (28), Design (6), Trademark (3)

Main Certification

ISO 9001 / 14001
Corporate Research Institute
New Excellent Technology Certified (No. 1000)
New Excellent Product Certified (No. NEP-MOTIE-2019-055)
Technology Innovation Comany (INNO-BIZ)
Strong Business company certified (Ministry of Labor)
KEPCO Trusted Partner (Korean Electric Power Corporation)
Registered as a qualified maintenance company/ Registered as equipment supplier (Integrating the 5 major power company)
KEPCO Technical Partner (Korean Electric Power Corporation)

New product development status

Condenser & Reactor diagnosis system development
(NEP new technology applied product)
Substation total diagnostic system
GIS PD(partial discharge) monitoring system
Overcurrent protection IED for 25.8kv GIS
IED for substation power, disaster prevention and security
Directional overcurrent relay
Tab position indicator
Automatic voltage regulator

Transformer bushing online diagnosis system
Portable CT analyzer
154kv digital substation operating system
Semiconductor solid control relay kit for 25.8kV GIS
345kV.154kV Digital ILC module device
LCD-type alarm device and peripheral devices
Automatic voltage regulator for parallel use

이메일 무단수집 거부

(주)유성계전은 「정보통신망 이용촉진
및 정보보호 등에 관한 법률(이하
'정보통신망법'이라 합니다)」 및 「개인
정보보호법」을 준수하며, 개인정보의
무단수집을 금지하고 있습니다.

(주)유성계전 홈페이지 내에 게시된 이메일
주소가 전자우편 수집 프로그램이나 그밖의
기술적 장치를 이용하여 무단으로 수집되는
것을 거부합니다. 이를 위반시 정보통신망
법에 의해 처벌 받을 수 있음을
유념하시기 바랍니다.