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All Journal Mechatronics, Electrical Power, and Vehicular Technology JURNAL SAINS DAN TEKNOLOGI MARITIM
Susatyo, Anjar
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Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Pico hydro propeller turbine prototype experimental study for very low head applications Subekti, Ridwan Arief; Mohd-Zawawi, Fazila; Ismail, Kamarulafizam; Ishak, Iskandar Shah; Sudibyo, Henny; Susatyo, Anjar; Pikra, Ghalya; Radiansah, Yadi; Aziz, Amiral; Fudholi, Ahmad
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 16, No 1 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2025.1111

Abstract

There is a lot of untapped potential for low-head and very low-head (VLH) hydroelectric power in Indonesia. The challenge in developing VLH is that the locations are very difficult to access by vehicle. One example is in the interior of South Kalimantan Province, where it takes more than 12 hours to reach the location on foot. This paper discusses an experimental study of a pico hydro propeller turbine prototype for VLH applications which is suitable for use in remote areas of Indonesia. Its design is simple and lightweight, and it is made from PVC. The turbine's specifications include a power output of 250 W with a net head of 1.53 m. The turbine was designed with four different runner models, including variations in the number of blades and their geometric shapes. The runner models are type 1 and 2 with five and four blades, respectively, and type 3 (in a shallow configuration) and type 4 (in a steep configuration) with 3 blades. The generator used was a DC, 36 V, with a maximum power of 500 W, 2,500 rpm, and 1 phase. An AC lamp was used as the generator load, so an inverter from DC to AC was used in this test. The propeller turbine was tested in the laboratory. The experiments were conducted at various flow rates by adjusting the rotational speed of the supply pump and the electrical load using incandescent lamps. The test results are presented as graphs showing the relationship between flow rate and rotational speed, hydraulic and electrical power, and efficiency. The experimental results indicate that the turbine with a type 3 runner model featuring three blades in a gentle slope configuration has the highest efficiency, approximately 72.5 %.
EKSPERIMEN TURBIN AIR VERY LOW HEAD DENGAN VARIASI JUMLAH SUDU DAN VARIASI DEBIT Susatyo, Anjar; Putra, Mohammad Alexin; Subekti, Ridwan Arief; Sudibyo, Henny; Ritonga, Muhammad Fachry
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.419

Abstract

The vortex turbine is a water turbine with a type of reaction turbine that can be used in waterways with very low head. The amount of output power produced by the generator in the MHP system will vary according to the input parameters used, one of which is water discharge. Therefore, this research was conducted to determine the output power produced by the generator with different water discharge parameters using artificial waterways in the vortex turbine power plant prototype. In this research, it tries to conduct a research study to optimise the power and efficiency of the vortex turbine flow reaction turbine by varying the blade width and discharge variations on the upper curved cross-section blade type vortex flow reaction turbine at 5 and 8 blades. This study uses independent variables in the form of water discharge of 2.5 l/s, 2.6 l/s, 2.7 l/s, 2.8 l/s, 2.9 l/s, 3.0 l/s using turbine runner blade 5 diameter 100 mm, blade 8 diameter 100 mm, blade 5 diameter 130 mm and blade 8 diameter 130 mm. This research uses experimental research methods. The test results state that the greatest efficiency is produced in the turbine 8 blades of small diameter (100 mm) with a water capacity of 3.0 1/s which is 22.26% with a loading of 5.3 Ncm, at a turbine rotation of 164.89 rpm and produces shaft power of 0.915 W.
Co-Authors Ahmad Fudholi Amiral Aziz Ghalya Pikra Ishak, Iskandar Shah Ismail, Kamarulafizam Mohd-Zawawi, Fazila Putra, Mohammad Alexin Radiansah, Yadi Ridwan Arief Subekti Ritonga, Muhammad Fachry Sudibyo, Henny