Investigating the Effect of Rotor Angle to Characteristic Amplitudo Vibration Shaft on Wind Turbine Horizontal Axis Testing

The vibrations that occur in the wind turbine’s axis are a result of the unstable wind velocity caused by the angle of the wind attacked by the wind turbine’s blade. Because abundant energy sources such as wind and water have not been fully utilized, this study will seek to improve efficiency. Vibration is a popular tool for analyzing machines with both rotational and translational motion. Vibration is a popular tool for analyzing machines with both rotational and translational motion. Data and vibration knowledge will be of critical importance for the treatment of repair analysis and also. This knowledge can help technicians. reduce the occurrence of downtime and can improve advantage from both the aspect of peroduksi and the longer wind turbine age Vibration caused by the effect of the style of siklik [pass/through] existing machine elements, where the elements are displaying each other and didesifikasienergi [pass/through] structure in the form of vibration. The impact of vibration is the occurrence of clunk, a decrease in wind turbine performance, and the destruction of wind turbine components, particularly at the pad and axis. This study of angle includes corner variation of blade (sudu / wind turbine rotor) to axis as well as variation of incoming wind speed. With a change in can perceive an known by the vibration behavior that occurred by measuring with appliance mengunakan agree vibration of vibrometer VQ-400-A OMETRON which in circuit with U3-Lv labjak distribute to PC in the form of digital voltage to analogous voltage This model measures vibration along the horizontal axis of the abscis or along the rotatory wind turbine axis. To present the results of measurements taken by labjak, which is connected to a PC laptop via a circuit. This study found that for wind speeds [among/between] 3 – 4,5 m/s with the smallest deviation, use angle; corner of blade 30o [so that/to be] vibration that happened more minimal, which is [among/between] 0,2353425 mm to 0,356839 mm. According to the critical frequency calculation, if the turbine rotation frequency is 9,464226 Hz and the simulation software ANSYS is used, the frequency is 4,1854 Hz.

Author (S) Details

Aston Sianipar
Department Mechanical Engineering FT-UHN, Jl.Sutomo No.4-A, Medan 20234, Indonesia.

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