KAJI EKSPERIMENTAL TURBIN AIR SKALA KECIL UNTUK MENGHASILKAN LISTRIK

Irwin Bizzy, Andar Gunawan

Abstract


ABSTRAK

Penelitian ini bertujuan untuk menganalisis kinerja prototipe alat pembangkit listrik tenaga mikrohidro (PLTMH) yang menggunakan tenaga air sebagai penggerak turbin air untuk menghasilkan listrik. Analisis dilakukan pada dua buah runner turbin, yang berukuran D1 = 300 mm, lebar sudu b1 = 50 mm, dan D2 = 300 mm, lebar sudu b2 = 150 mm dengan jumlah sudu yang sama yaitu 10 buah. Penelitian dilakukan dengan variabel debit air dan bukaan katup terhadap daya listrik yang dihasilkan oleh alat tersebut. Hasil pengujian, turbin dengan lebar sudu 150 mm menghasilkan daya listrik yang lebih besar dari turbin dengan lebar sudu 50 mm. Turbin dengan lebar sudu 150 mm memiliki efisiensi sistem lebih besar yaitu 66,23%, dibandingkan dengan turbin dengan lebar 50 mm yang memiliki efisiensi sistem sebesar 55,91%.

Kata Kunci : Turbin, PLTMH, listrik, mikrohidro, sudu

 

ABSTRACT

The objective of this research would be to analyse performance of prototype microhydro power station apparatus using hydro power as driving a water turbine to generate electricity. Analyses were conducted on two turbine runner, sized D1 = 300 mm, blade width b1 = 50 mm, and D2 = 300 mm, width of blade b2 = 150 mm with the same number of blade is 10 pieces. The research was conducted with variable water capacity and control valve of electric power generated of the tool. The test result, the turbine blade with a width of 150 mm produce a greater power of the turbine blade with a width of 50 mm. Turbine blade with a width of 150 mm have a greater system efficiency is 66,23%, compared with a turbine with a width of 50 mm which has a system efficiency is 55,91%.

Keyword : Turbine, PLTMH, electricity, microhydro, blade


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Jurnal Rekayasa Mesin
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Sriwijaya
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