KAJI EKSPERIMENTAL PENAMBAHAN PCM (PHASE CHANGE MATERIAL) TERHADAP KERJA PV (PHOTOVOLTAIC) YANG DIAPLIKASIKAN PADA DINDING BANGUNAN

Tri Wibowo, 0915021046 (2014) KAJI EKSPERIMENTAL PENAMBAHAN PCM (PHASE CHANGE MATERIAL) TERHADAP KERJA PV (PHOTOVOLTAIC) YANG DIAPLIKASIKAN PADA DINDING BANGUNAN. Fakultas Teknik, Universitas Lampung.

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1. Abstrak.pdf

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2. Abstract.pdf

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Abstrak

ABSTRAK Matahari adalah salah satu bentuk sumber energi yang paling berpotensi untuk masa depan. Photovoltaic dapat merubah energi matahari menjadi energi listrik. Di negara Indonesia, photovoltaic sangat berpotensi karena intensitas radiasi matahari di Indonesia cukup tinggi yakni mencapai 4,8 kWh/m2/hari dengan waktu efektif penyinaran 8 – 10 jam/hari. Untuk sel surya silikon, elevasi terkait suhu operasi mengurangi output daya listrik, menghasilkan koefisien suhu -0.4 to -0.5 % / K-1 melampaui suhu karakterisasi mereka. Karena sel surya silikon ditandai pada 1000 W/m2 dan 25oC, menjaga suhu sel pada 25oC dapat mempertahankan efisiensi nilai sel. Dalam pendekatan pasif yang paling umum untuk pembuangan panas, saluran diatur di belakang modul PV secara konveksi alami. Namun metode alami ini masih memiliki sistem pendingin yang kurang efektif karena perpindahan panas yang buruk. Sebagai sebuah metode baru untuk mengatur kenaikan suhu PV, bahan perubahan fasa (PCM) yang menyerap energi sebagai panas laten pada suhu transisi fase konstan bekerja. Penelitian ini dilakukan pada model bangunan, dimana photovoltaic dipasang pada dinding dengan variasi sudut pemasangan dan posisi lampu penyinaran dengan intensitas cahaya 300 Watt/m2 dan 600 Watt/m2. Bahan perubah fasa (PCM) yang digunakan adalah minyak kelapa sawit (CPO) karena Indonesia salah satu penghasil minyak kelapa sawit (CPO) terbesar ketiga di dunia. Hasil penelitian memperlihatkan bahwa pemasangan PCM dapat meningkatkan efisiensi photovoltaic dan memperlambat kenaikan temperatur ruangan. Kata Kunci : photovoltaic, phase change material (PCM), energi surya ABSTRACT The Sun is one of the most potential source of energy for the future. Photovoltaic could change solar energy into the electrical energy. In Indonesia, the photovoltaic is potential because of the solar radiation intensity in Indonesia is quite high which reached 4.8 kWh/m2/day with a very effective time of 8 – 10 hours/day. For silicon solar cells, the elevation related to the operation temperature reduces the electrical power output, producing a temperature coefficient of -0.4 to -0.5%/K-1 characterization of temperature goes beyond them. Because of silicon solar cells are marked on the 1000 W/m2 and 25oC, keeping the temperature of the cells at 25oC can maintain the efficiency of the cell values. In the most common passive approximation to heat dissipation, the channel is set up in the wake of natural convection in a PV module. But this natural method still has a cooling system that is less effective due to poor heat transfer. As a new method to regulate the temperature increase, phase change material (PCM) which absorbs energy as latent heat of phase transition temperature in constant work. This research was conducted on the model of the building, where the photovoltaic were installed on the wall with the mounting angle and position of the variations of the lamp shines with a light intensity of 300 Watt/m2 and 600 Watt/m2. Phase change materials (PCM) used is Palm oil (CPO) because Indonesia is one of the palm oil producers (CPO), the third largest in the world. The research results showed that installation of PCM can increase the efficiency of photovoltaic and make the rising of room temperature increases slowly. Keywords: photovoltaic, phase change materials (PCM), irradiance

Tipe Karya Ilmiah: Skripsi
Subyek: A General Works = Karya Karya Umum
Program Studi: Fakultas Teknik > Prodi Teknik Mesin
Depositing User: 127151 . Digilib
Date Deposited: 23 Oct 2014 04:29
Last Modified: 23 Oct 2014 04:29
URI: http://digilib.unila.ac.id/id/eprint/4450

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