R&D

Key Developments

• 2019
  • Developed key components such as submodule and controller for the development of a 200MW voltage HVDC system
  • Developed 700kW DC-DC PCS with 98.5% efficiency for railroad car (installed in Osong DC Substation)
  • 125 KW ESS PCS acquired UL certification
  • Developed 2MWh ESS with 97% efficiency for low-tension direct current distribution (installed in KEPCO Gochang Electricity Test Center)
  • Developed 7MWh ESS for DC Grid and established an energy cost-saving test site at the Chosun University campus
• 2018
  • 20MW BTB MMC HVDC pilot site commissioning
  • 400MW class MMC STATCOM installation and commercial operation (KEPCO Shin-youngju S/S, Shin-Choongju S/S)
  • Development of Asset Management Solution for 154kV Substation. (AHMS First in Korea)
• 2017
  • Developed an integrated ESS control solution
  • Commercially operated Gimje Substation’s 48MW ESS station for indoor FRs
  • Developed ESS with solar power connectivity (Installed 50.3MW/160MWh, including 7MW/18MWh in Yeongheung, 8MW/33MWh for Haenam Green, and 12.5kW/32MW in Samcheonpo)
• 2016
  • Developed a 2MW ES PCS for frequency adjustment for KEPCO (landed KEPCO's 3rd project, 48MW for Gimje Substation)
  • Developed MG systems for self-sufficient energy islands (3.25MW/3MWh for Gapado, 250kW/500kWh for Geochado)
  • Developed an 1MW class outdoor PV PCS for the U.S. Market (acquired UL certification, CEC efficiency 98%)
  • Developed an asset management solution for 154kV-class transformers and GIS (the first of its kind in South Korea)
  • Low voltage high output 315-400Fr. Developed an induction motor (315Fr. 4P IE3 efficiency certification)
  • Developed an IE4 class LS-SynRM 3.7kW (developed the world’s first direct-on-line magnet-resistant synchronous motor)
• 2015
  • Developed ESS for renewable energy generation for Youngheung Thermal Power Plant (South Korea’s first, 4MW PCS / 16MWh battery)
  • Developed energy-saving ESS for the Gyeongju headquarters building of Korea Hydro & Nuclear Power (1MW PCS / 2MWh battery)
  • Acquired certification for 150MW class MMC, STATCOM, and KEMA
  • Developed a lineup of IE4 super premium class SynRM motors of 45kW or less
• 2014
  • Developed an MW class battery energy storage system with renewable energy connectivity
  • Developed a 20MW class VSC HVDC
  • Developed an 150MW class MMC STATCOM
• 2013
  • Developed a stand-alone micro grid and a battery energy storage system for off-grid island areas
  • Developed an IE4 super premium grade SynRM motor
• 2012
  • Developed an 1MW class battery energy storage system
  • Developed 250kW/500kW PV PCS
  • Developed a 80kW PMSM motor and driver for electric vehicles
  • Developed a charging system for electric vehicles
  • Developed a diagnostic system for transformer partial discharge
• 2011
  • Developed 20kW · 800kW PCS for power storage
  • Developed a propulsion motor for the Navy’s next-generation heavy weight torpedoes
  • Developed a 50kW EV class driving motor (applied to HMC's electric car “Ray”)
  • Developed a transformer dissolved gas diagnosis solution (HiDGA)
  • Developed an IEC-61850-based IED for 154kV main transformers/170kV GIS IED
• 2010
  • Developed a 60kW class EV driving motor (applied to HMC’s electric car “Blue-On”)
  • Developed a high capacity propulsion motor for submarines
  • Developed a 750kW class DFIG type PCS for wind power generation systems
• 2009
  • Developed an 100MVA STATCOM
• 2008
  • Developed a grid-connected solar inverter (3kW, 50kW, and 250kW)
  • Developed an1kW class PEMFC power generation system for homes
  • Developed an eco-friendly 25.8kV 25kA Dry Air-Insulated Switchgear (DAIS)
  • Developed 245kV 40kA Motor Direct Drive Mechanism (MDDM) GIS
• 2007
  • Developed an 154kV gas transformer
  • Developed a 2MW class wind power system
• 2006
  • Developed a 10MVA STATCOM
  • Developed a partial discharge diagnosis system for GIS
  • Localized the core components of transmission grade FACTS (the first in South Korea)
• 2005
  • Developed a 750kW class wind power generation system
  • Developed an100kwW class PCS for fuel cells
  • Developed 36kV 31.5kA GIS
• 2004
  • Developed 245kV 50kA GIS (the first in South Korea)
  • Developed 25.8kV 25kA GIS (changed application standards, the first in South Korea)
  • Developed 24kV 40kA 3000A GIS (the first in South Korea)
• 2003
  • Developed 362kV 50kA GIS (the first in South Korea)
  • Developed a 154kV 80MVA UPFC (FACTS) pilot plant (the first in South Korea)
• 2002
  • Developed a substation automation system
  • Developed 300kV 40kA GIS
• 2001
  • Developed a transformer for 154kV 40MVA FACTS
  • Developed a 170kV gas circuit breaker without inter-polar condenser
• 2000
  • Developed a digital protection relay for electric power distribution
• 1999
  • Developed a 800kV ultra high voltage circuit breaker
  • Developed a 765kV Transformer Preventive Diagnostic System
  • Developed a 200kW gas engine cogeneration system
  • Developed a package type CNG charging system
  • Developed a Q-class high capacity electric motor for nuclear power plants
  • Developed 362kV 63kA 8000A GIS (the first in the world)
• 1995
  • Developed a gas turbine co-generator
  • Developed a traction motor for railway cars
• 1992
  • Developed a 765kV transformer (the first in South Korea)
• 1987
  • Developed 70kV 31.5kA 1200A GIS
• 1986
  • Amorphous transformer (the first in South Korea)
• 1984
  • Developed a 54kV phase isolation transformer (3ph 154kV phase)
• 1982
  • Developed a 345kV transformer for nuclear power plants (1ph 345kV 1187MVA / Bank)