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Modular Green Substation 동향 및 운영기술 개발
오승열(Seung-Ryle Oh),전인영(In-Young Jun) 대한전기학회 2020 전기의 세계 Vol.69 No.10
이 기고문에서는 신재생에너지의 연계 효율성을 향상시키며 변전소 고장에 대비할 수 있는 Modular Green Substation 개발을 위한 동향 및 운영기술계획 수립 연구를 통해 국내 전력 계통 운용의 신뢰성을 증진시키고자 한다. This contribution deals with plans for development and trend of Modular Green Substation to cope with emergencies in the case of substation failure and to improve the acceptability of renewable energy.
신재생에너지 변동성 억제를 위한 소규모 보상설비 출력 제어 운영방안
전인영(In-Young Jun),오승열(Seung-ryle Oh),한기선(Ki-Sun Han) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.10
Modular Green Substation means a combination of Modular Substation and Green Substation. A modular substation is a substation in which all of its facilities will be manufactured in modular type, stored in a container, and transported to a trailer. Green substation is a substation equipped with compensation facilities such as ESS, and FACTS to link renewable energy to power system by guaranteeing power quality. This paper deals with plans for development and application of Modular Green Substation to cope with emergencies in the case of substation failure and to improve the acceptability of renewable energy.
변압기 부분방전 진단 성능 향상을 위한 UHF 센서 최적설계방안 연구
이종건(Jong-Geon Lee),오승열(Seung-Ryle Oh),한기선(Ki-Sun Han),강지원(Ji-Won Kang),주형준(Hyung-Jun Ju) 대한전기학회 2019 전기학회논문지 Vol.68 No.11
This paper deals with the study on partial discharge(PD) characteristics of transformer and method of UHF sensor design for transformer PD measurement. The experiment was fabricated according to IEC-60270 and IEC-62478. The analysis of PD characteristic and spectrum of various transformer defect was performed. From the result, it was deduced that PD signal of each defect has unique frequency band, and it was also found that the improvement of sensitivity of UHF sensor which is optimized for transformer could be achieved by tuning reflection loss of sensor by forming resonance point at specific frequency.