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한글의 기원 및 창제 원리로서의 `상형`과 `고전 모방`의 재검토
김영환 ( Kim Yeong Hawn ) 한국언어문화학회(구 한양어문학회) 2012 한국언어문화 Vol.0 No.47
According to Hunminjeongeum, Hangeul was created on the principle of depiction of the outlines(象形) and imitation of Old Seal (倣古篆). Each of the five basic consonant letters is made according to the shape of the speech organs. The basic letters of the vowel were first created in the image of the sky, land, and man. For example, ` ` resembles the roundness of the sky, ` ` represents the flat earth and ` ` is the image of a standing man. But it can`t be true because letters of an alphabet are meaningless in itself, abstract formal signs, which can not be natural symbols or images. Arbitrariness of alphabetic sign excludes any kinds of imitation between alphabetic sign and other objects. There are not any motivation between an alphabetic letter and its signified. Alphabet has been created by means of formal abstraction from pictograms. But Chinese character used the method of composition from simple Chinese characters in creating new characters. The principle of depiction outlines and imitation of Old Seal implies iconic character or motivation between the signifier and the signified. In the traditional Korean society. Korean alphabet was disparaged as Eonmun which means script for vernacular language. So Hangeul was excluded from official use for centuries. The expression "dialect(方言)". which referred to Korean language, presupposes traditional Sino-centric world order. Korean alphabet was of little value for scholars and government officials, because it was different from Chinese characters. The so-called origin or principle of invention in creating Korean alphabet expressed in Hunminjeongeum is quite misleading or unnecessary apology.
에너지믹스 및 에너지저장장치를 이용한 제주지역 재생에너지 수용증대 방안
명호산(Ho-San Myung),김영환(Yeong-Hawn Kim),김세호(Se-Ho Kim) 대한전기학회 2021 전기학회논문지 Vol.70 No.8
The conversion of renewable energy to global climate change is a desirable change, but the intermittent characteristics of renewable energy create many difficulties in the operation of power systems. In particular, as the share of renewable energy increases and the output of renewable energy is restricted due to imbalance in supply and demand, there are many difficulties not only for system operators but also for renewable energy companies. The increase in the share of offshore wind power, which is highly utilized, is expected to aggravate these difficulties. In particular, in Jeju, where demand for electricity is limited and isolated, many output restrictions have been imposed due to the imbalance in supply and demand due to the increase in renewable energy share. This paper proposes a plan to increase renewable energy consumption in Jeju power system by predicting renewable energy curtailment from 2023 to 2025, and easing output curtailment through energy mix and ESS operation.