<![CDATA[This study aims to determine and compare the performance of a vertical-axis wind turbine using standard NACA 0018 blades and J-type blades. The research was conducted using an experimental method through direct testing of the vertical-axis wind turbine at several wind speed variations. The parameters observed included wind speed, turbine rotational speed (RPM), voltage, electric current, and electrical power generated. The test data were then analyzed to determine the effect of blade shape on the performance of the vertical-axis wind turbine. The test results show that changes in wind speed affect the rotational speed of the turbine and the electrical power generated. Differences in the shape of the NACA 0018 and J-type blades result in different turbine performance characteristics, particularly in terms of rotational speed, torque, and power generation. Based on the comparison of the test results, the blade type that provides more optimal performance under the testing conditions can be determined.]]>
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