Certificate

Year

Authority

Field

KERI

Oct.2013

KERI [Korea]

1ph. 7.5/15MVA 55000-27500V development

(For high-speed railway)

KERI

Feb.2015

KERI [Korea]

3ph. 5.2MVA 22.9kV-440-440-440-440V development

(For ESS)

KERI

Mar.2017

KERI [Korea]

3ph. 500kVA 22.9kV-400Y/230V development

(For Underground transformer)

Currently in trial operation at Korea Electric Power Corporation.

4.March 2023

KERI

Mar.2023

KERI [Korea]

22.9kV Neutral point air-core reactor 500A(operated by KEPCO)

UL

Aug.2024~

Mar.2025

UL [Korea]

3ph.5040kVA : Development of solar power transformer

(UL Test):In progress

 July.2024~

Dec.2028

KEIT [Korea]

Development CNF composite insulation board and high-efficiency transformer with insulation strength of 40kV/mm.

 Jan.2025~

DOE

Revised standard DOE(2022) product design and development