As promissed, the new technical publication is now available, Grid-Connected & Standalone Solar Systems Design written be Phineas S. Malunjwa MSc, born in Nyamandlovu District, near Bulawayo city, Zimbabwe, he obtained his Masters of Science degree (Electrical Eng.) in 1985.
He worked for 9 years as a senior electrical building services engineer in the Public Works Department (Zimbabwe) and was involved in the design and inspection of solar energy projects. In addition he organized and chaired meetings, on solar energy projects, with engineers from the Public Works Department (Zimbabwe) and the Department of Energy (Zimbabwe).
From 12th to 16th February 1996, Phienas participated in a UNESCO sponsored sub-regional workshop entitled “Renewable Energy Sources”, held at SIRDC (Scientific & Industrial Research & Development Centre), Harare, Zimbabwe.
The production of solar electricity is not as straight forward as that of conventional Electricity. This fact is explained by Chapter 2 (2. The Sun’s Energy), in order to adequately equip the designer with the knowledge of how to make use of the available Sunlight. Solar Cell Technology and Solar Cell efficiency, for both crystalline silicon and thin film cells, are discussed and explained, with the aim of enabling the designer/installer to make a better judgement/understanding when selecting type of module to use.
A proper selection of P.V. components is very essential for the P.V. system to function properly and to produce the expected power output. Components for both grid-connected and standalone P.V. systems, are adequately discussed and explained to enable the designer/installer to make an informed decision in the selection of components for the P.V. System.
Possible power losses from the P.V. system have been pointed out and how these power losses can be mitigated, have been discussed and explained. Therefore, the designer will be able to evaluate the actual power output from the P.V. System. Examples are given, e.g. 3.2 Example 3, showing how to determine energy available to the consumer, and 3.3 Example 4, showing how to determine size of P.V. array (KW). Other examples worked out, for both grid-connected and Standalone P.V. Systems, show adequate detail to the designer/Installer, on how to achieve a properly designed and installed P.V. system.
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