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전력선 주파수 모니터링을 위한 Intelligent Electronic Device (IED) 플랫폼
전현진(Hyeon-Jin Jeon),이돈진(Don-Jin Yi),전준길(Jun-Gil Jeon),장태규(Tae-Gyu Chang) 대한전기학회 2009 전기학회논문지 Vol.58 No.5
This paper presents an intelligent electronic device (IED) platform which is based on a new frequency estimation algorithm. The IED platform features not only the accurate estimation of frequency but also the fast network-based transmisstion of fault data and waveforms. The simulation results show that the proposed frequency estimation algorithm improves convergence speed, and has lower frequency estimation error compared with those of conventional algorithms. The network-based IED is designed to ensure transmission latency being less than 1.0 % of sampling interval.