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비상발전기를 이용한 빌딩용 직류배전에서의 비상 전력 공급 시스템 운영 방법The Operation Method of Emergency Power Supply System in DC Distribution of Building Using Emergency Generator

Other Titles
The Operation Method of Emergency Power Supply System in DC Distribution of Building Using Emergency Generator
Authors
강경민[강경민]홍석진[홍석진]강진욱[강진욱]조승현[조승현]원충연[원충연]
Issue Date
2018
Publisher
한국조명.전기설비학회
Keywords
Emergency Power Supply; DC Distribution; Emergency Generator; Energy Storage System; Grid-connected AC/DC Converter
Citation
조명.전기설비학회논문지, v.32, no.5, pp.67 - 77
Indexed
KCI
Journal Title
조명.전기설비학회논문지
Volume
32
Number
5
Start Page
67
End Page
77
URI
https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/22397
ISSN
1229-4691
Abstract
Increasing renewable energy, ESS(Energy Storage System) and digital loads can be combined with DC Distribution to achieve high energy utilization efficiency. An emergency power supply system needs consideration to prepare power failure of AC grid due to the characteristic of DC distribution system connected with AC grid and digital loads. As the ESS is difficult to configure the emergency power supply system as a single unit due to problems of initial installation cost and capacity, it is necessary to review the application of the emergency generator, which is ordinarily installed in the commercial building by regulation. In this paper, we propose a system and its operating method that can stabilize the voltage of DC distribution in emergency situations by using the emergency generator. The proposed system and operation method are verified by PSIM simulation and experiment using 13.3kW emergency power generation system.
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