Renewable Energy

The Indian Renewable Energy Development Authority (IREDA) offers a low interest loan that provides soft loans for industrial and commercial projects at 8.3 per cent interest, with 5 per cent for non-profit organizations and 5 per cent for domestic applications (September 1999). This is a substantial subsidy on capital budgets, which clearly proves that as such policy decisions are taken at the level of the government, the fossil fuel situation in India is in a critical state. In Hyderabad there are four hours of power cuts each day. The client specifications were to design a system that works as a photovoltaic stand-alone system during power cuts, and as a regular grid-connected system when the grid is working. The battery chosen for this design allows for four days of autonomy, making it unlikely that the client has to use the utility power to charge the battery. The inverter is multi-functional with 24 V input, 220 V output and a rating power of 800-1000 Wp, and is readily available on the market. The array that is needed to provide the power according to user needs is 850 W. Modules with high-efficiency polycrystalline cells would need a roof area of about 7 m2.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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