This paper presents the circuit design of a push-pull topology inverter for photovoltaic (PV) applications. The inverter is a critical component responsible for the control of electricity flow between the modules, battery and loads in any PV based system. A brief technical information is given on the inverter design and the operation of the circuit used. This circuit design is simulate using the NI Multisim software. The circuit design and simulation result are presented in this paper. Based on the simulation result obtained it has been possible to build this inverter for feeding small house appliances.
This paper presents a case study of Weibull and Hargreaves methods used to determine the wind speed characteristic and solar radiation pattern in Perlis the northern part of Peninsular Malaysia. These two methods are then used to analyze the data of wind and solar that recorded using Davis Vantage Pro2 Weather Station. This paper also discusses the correlation of these two methods in determining the wind and solar energy. Through this case study, this paper conclude that these methods is highly recommended to determine and analyze the potential of wind and solar energy.
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