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This paper presents a low cost device for both measurement and generation of electrical signal used in any basic electrical experiment. The total project has one hardware unit based on a microcontroller which can receive and generate analog signal by the command of PC software and the PC software interface which is capable of displaying the measuring signal, send command for desired signal generation and export data to other simulation software. This PC software is also capable of doing different simple analysis and export data to software like MATLAB. The performance of the device is satisfactory and there are many scopes to enhance its features in the future.

This paper presents the analysis of wind speed data of eight different sites collected from the Meteorological Department of Bangladesh by choosing the proper sites at best possible seasons of the year at different heights with the terrain effect consideration to show the prospect of utilizing the wind power by installing wind turbine effectively. Thisproposal is expected to make the best use of reasonable wind speed available in these sites for particular seasons of the year to extract power to contribute by reducing country's power crisis. Again the proposed system can be of hybrid type (i.e. solar-wind or wind-tidal) to make the best use of the plant when there is not adequate wind speed to extract power from it.

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