Off-grid Photovoltaic (PV) systems are empowering technology in underdeveloped countries like Ethiopia where many people live far away from the modern world. Where there is relatively low energy consumption, providing energy from grid systems is not commercially cost-effective. As a result, significant people groups worldwide stay without access to electricity. One remote village in northern Et...

The objective of installing a residential photovoltaic system is to cut the cost of the monthly electric bill. However, many homeowners, especially those with low-income, finds it difficult to invest in such systems because require substantial upfront investment. This paper presents a project called PSD-LAG(“Sharing and Distribution of Power-Local Area Grid”) which attempts to solve the issue o...

Wind energy is the world’s fastest growing energy source. The amount of power generated by wind energy depends on the speed of the wind. Because of the intermittent and fluctuating wind speed they are not suitable to micro grid applications unless proper power and energy management strategies are available. Hence a Suitable method of giving stable active, reactive power is required. Hybrid powe...

This paper explores the potential of forced convection cooling in a ducted photovoltaic façade unit. Where panel is backed by 5 cm thick insulated duct at depth 50 cm. The heat removal from unit due to investigated with range fan speeds 1 m/s 6 m/s. It found that ΔT between inlet and outlet ranged 2.6–24.6 °C. A speed 4 yielded highest removing 550 W efficiency 51%. Whereas lowest mean PV cell ...

The objective of this contribution is to present a new numerical approach for a complete design, optimum sizing, cost estimation (capital & $/kWh) and also evaluating the performance of solar photovoltaic/battery/diesel hybrid power systems. The world-wide demand for solar photovoltaic energy systems has grown steadily over the past 15 years. The need for reliable and low cost electric power in...

Photovoltaic (PV) offers an environmentally friendly source of electricity, which is however still relatively costly today. The maximum power point tracking (MPPT) of the PV output for all sunshine conditions is a key to keep the output power per unit cost low for successful PV applications. This paper presents various methods and its description of MPPT techniques with their advantages and com...

A pair of isomeric ruthenium sensitizers BM1 and BM2, having TIP based ancillary ligands with a 9-phenylcarbazole tail at the α or β position of the thiophene unit, shows a distinguishable photovoltaic performance on DSCs (PCEs: 7.33% and 5.33% for BM1 and BM2 as compared with 6.07% for the standard N3-dye).