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REMOTE MONITORING OF WIND-PHOTOVOLTAIC HYBRID GENERATION SYSTEM USING MOBILE PHONE AND INTERNET
허정초(Xu Zhenchao),문채주(Moon Chaejoo),장영학(Chang Younghak),임정민(Lim Jungmin),김태곤(Kim Taegon) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
In this paper, a remote monitoring system of wind-photovoltaic hybrid generation system using mobile phone and internet has been developed. Many kinds of data can be acquired, analyzed and saved automatically by this system. The hybrid system is composed of l[㎾] PV with DC/DC converter, battery banks and 5[㎾] wind power system with power inductor and AC/DC converter. In addition, wind monitoring sensors, voltage and current meters, current transformers and potential transformers are used as accessory instruments. All of these signals are fed into DAQ <Data Acquisition> board after converting the data which have been processed by many types of converters, dividing circuits and signal conditioning circuits. These data can not only be displayed on a computer, transmitted using the server program to remote computer and saved on a computer as a file day by day but also be sent as a CDMA message. The monitored-data can be downloaded, analyzed and saved from server program in real-time via mobile phone or internet at a remote place. All of the programs were designed with Lab VIEW software.