全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Joon-Ho Choi , Tae-Gyu Kang ...
来源:[J].EURASIP Journal on Wireless Communications and Networking(IF 0.54), 2012, Vol.2012 (1), pp.1-11Springer
摘要:Abstract(#br)Visible light communication (VLC) is an optical wireless communication technology that uses visible light emitting diodes (LEDs) as a communication source. Since the LEDs are also used for illumination, the cross-section emission effects of the LEDs need to be analyz...
作者:... Seon-Ju Ahn , Sang-Yun Yun , Joon-Ho Choi
来源:[J].Energies(IF 1.844), 2017, Vol.10 (4)DOAJ
摘要:This paper describes a multiple time interval (“multi-interval”) parameter estimation method. The multi-interval parameter estimation method estimates a parameter from a new multi-interval prediction error polynomial that can simultaneously consider multiple time intervals. ...
作者:Joon-Ho Choi , Eui-Sun Kim
来源:[J].Energies(IF 1.844), 2016, Vol.9 (3)DOAJ
摘要:This article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the associ...
作者:Joon-Ho Choi , Hyun-Koo Kang ...
来源:[J].Energies(IF 1.844), 2013, Vol.6 (9), pp.4786-4798DOAJ
摘要:A distribution system was designed and operated by considering unidirectional power flow from a utility source to end-use loads. The large penetrations of distributed generation (DG) into the existing distribution system causes a variety of technical problems, such as frequent ta...
作者:... Joo-Ho Lee , Seon-Ju Ahn , Joon-Ho Choi
来源:[J].Energies(IF 1.844), 2013, Vol.6 (12), pp.6322-6334DOAJ
摘要:In this paper we propose a new method to evaluate the effects of nationwide conservation voltage reduction (CVR) on peak-load shaving, using substation operating results management system (SOMAS) data. Its evaluation is based on a national CVR factor, which is defined as the weig...
作者:Joon-Ho Choi , Eun-Jae Choi ...
来源:[J].Energies(IF 1.844), 2013, Vol.6 (8), pp.3692-3705DOAJ
摘要:This paper proposes a linearized load model to evaluate the effect of conservation voltage reduction at a national level. In this model, the respective active and reactive linearizing parameters for active and reactive loads in a power system are estimated using energy manag...
作者:Joon-Ho Choi , Seok-Il Go
来源:[J].Energies(IF 1.844), 2014, Vol.7 (10), pp.6620-6644DOAJ
摘要:Since the penetration level of wind energy is continuously increasing, the negative impact caused by the fluctuation of wind power output needs to be carefully managed. This paper proposes a novel real-time coordinated control algorithm based on a wavelet transform to mitigate bo...
作者:Sang-Yun Yun , Joon-Ho Choi
来源:[J].Energies(IF 1.844), 2014, Vol.7 (4), pp.1852-1875DOAJ
摘要:Recently, a distribution management system (DMS) that can conduct periodical system analysis and control by mounting various applications programs has been actively developed. In this paper, we summarize the development and demonstration of a database structure that can perform r...
作者:... Seong-Chul Kwon , Il-Keun Song , Joon-Ho Choi
来源:[J].Energies(IF 1.844), 2014, Vol.7 (3), pp.1332-1362DOAJ
摘要:This paper introduces the development and actual test results of the Korean Smart Distribution Management System (KSDMS). The KSDMS has been designed and developed to cope with the lack of interconnection capability of the Dispersed Energy Resource (DER), to provide standardizati...
作者:... Seong-Chul Kwon , Il-Keun Song , Joon-Ho Choi
来源:[J].Energies(IF 1.844), 2014, Vol.7 (2), pp.643-669DOAJ
摘要:This paper is a summary of the development and demonstration of an optimization program, voltage VAR optimization (VVO), in the Korean Smart Distribution Management System (KSDMS). KSDMS was developed to address the lack of receptivity of distributed generators (DGs), standa...

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