Hybrid PV-Grid menggabungkan dua sumber energi listrik yaitu grid (PLN) dan PV (Photovoltaics). Tegangan dari sumber PV sebesar 48 volt dc dinaikan dan diubah ke tegangan ac 280 volt dengan menggunakan konverter. Sedangkan sumber dari grid dijadikan…
Thyristordigunakan untuk pengontrolan tegangan ac pada rangkaian penyearah terkendali dan rangkaian pengontrol tegangan ac karena dapat diatur tegangankeluaran dengan pengaturan sudut penyalaan dari sinyal trigger. Pada penelitian dihasilkan sebuah…
The study used quatitative approach with comparative study. The aims were to determine the student achievement and learning response as well as the different of student achievemnt tought by inquiry method with concept maps. The population were…
Implementation of process skills approach to the concept of plant motion system in SMA Negeri 3 Pidie. Research purposes to know the process of learning outcomes through the application process skills approach to the concept of plant movement. The…
Abstract. The Indian Ocean has an important role in the variability of aquatic ecosystems including fisheries resource. This study was conducted to determine the relationship between Mixed Layer Depth (MLD) criterion ∆T = 0.5 oC and distribution of…
This research is conducted to reveal : (1) the application of science study strategy with CLIS study model to improve the students’ understanding of earth and universe concept, (2) the science study strategy with CLIS study model to improve the…
A study of dosage and frequency of casting (earthwarm excrement) for controlling fusarium wilt disease (Fusarium oxysporum f.sp lycopersici) on tomatoes (Lycopersicum esculentum Mill) has been done in a Laboratory of Plant and Disease Department and…
Dumping grounds are characterized by the absence of engineering controls such as base liners and cover layer. Consequently, these dumping grounds present risks for surrounding resources such as soil, groundwater and air. The concern for groundwater…
Squid is an economically important resource. Currently, squid populations, especially in the District Barru, were intensive exploited, that is feared to affect the population biology parameters. The study was conducted fromFebruary to April 2011. The…
Abstrak. Penelitian ini bertujuan untuk menemukan perbedaan peningkatan kemampuan pemecahan masalah matemastis antara siswa yang belajar menggunakan pendekatan CTL dengan siswa yang memperoleh pembelajaran konvensional, untuk menelaah perbedaan…