Study of the Effect Sudu Length on Electricity Power Generated by Wind Speed in Banda Aceh Beach

Abstract

Wind is a renewable energy that has great potential with wind speed potential in Banda Aceh ranging from 4 to 6 m/s which blows between 4 and 6 h/day and blows speed of 6–9 m/s between 1 and 2 h/day. Studies on the use of wind energy and wind turbines have been extensively researched. This research discusses the effect of blade length on the electric power produced. The research was conducted at Ulee Lhee beach in Banda Aceh. The wind turbine used is a horizontal type with a blade length ratio of 1.25, 1.50 and 1.75 m and the number of blades 3, 4 and 5 to obtain the data results of wind speed and turbine rotation. Analysis of electrical energy data was carried out on a 3-blade and 4-blade wind turbine by installing a 2000 W generator with 1600 W power and using a transmission ratio of 1: 5. Data collection was carried out from February to August 2020 at wind speeds of 3–8 m/s. The measurement results show that the 3-blade and 4-blade wind turbines with a blade length of 1.25 m produce optimal turbine rotation at wind speeds of 4–6 m/s compared to 4 blades and 5 blades with blade lengths of 1.50 and 1.75 m