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Sustainable Energy is a leading developer and manufacturer of power conversion products for the renewable energy industry.
Message: Inverters Installed at Concordia University
| January 19, 2009 |
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Sustainable Energy's Solar Inverters Installed at Concordia University
New John Molson School of Business Incorporates State of the Art Solar Technology |
| CALGARY, ALBERTA--(Marketwire - Jan. 19, 2009) - Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") is pleased to announce that its leading edge solar inverter technology was recently installed at the Concordia University new John Molson School of Business. The installation was part of a project demonstrating the integration of state of the art solar technology to generate heat and power in a non-residential building. Solar panels covering the top two floors of one facade of the institutional building were installed representing the largest solar-electric installation in Quebec, Canada. Covering approximately 300 square meters, the solar panels will generate electricity for the building and heat fresh air during the heating season. The full Concordia University press release discussing this project along with pictures can be obtained at: http://mediarelations.concordia.ca/p... Integrating solar power into new buildings on a cost effective basis requires a shift from custom engineered solutions to standardized, modular building blocks that are built into the building envelope in an aesthetically attractive way, like any other building product. Sustainable Energy's patented inverter technology overcomes critical obstacles to making this a reality. Building integrated photovoltaic - referred to often as "BIPV" - presents a wide variety of challenges including shading from normal building congestion, variances in the orientation of the solar panels due to building design constraints and new paradigms in system maintenance. By reducing the impact of non-ideal and non-uniform illumination on overall system performance, Sustainable Energy's unique parallel system architecture enables a standard building block approach while optimizing solar power output over the entire building envelope. "We are delighted that our leading inverter technology was selected in this state of the art solar project," stated Michael Carten, CEO of Sustainable Energy Technologies who is also a graduate of Loyola College of Concordia. "BIPV will be a much larger part of the solar landscape as the most cost effective solution for making solar power part of the energy mix of industrialized countries. A key to this is the "parallel system architecture" which eliminates many of the challenges to making BIPV a reality in our cities." About Sustainable Energy Based in Calgary, Alberta, Canada, Sustainable Energy (www.sustainableenergy.com) designs, manufactures and distributes power inverters for grid-connected solar PV systems. Advanced power inverters are a critical enabler of all modern solar PV power systems converting the direct current ("DC") power output of the solar PV modules into the high quality alternating current ("AC") power required by the power grid. Advanced power inverters also optimize the performance of the solar PV modules and maintain the integrity and safety of the interconnection with the power grid. Sustainable has developed and patented an extra low voltage inverter technology which enables a massively "parallel" solar PV system architecture, in high power ratings, without compromising electrical conversion efficiencies. With conventional "high voltage" inverters, PV modules must be wired electrically in "series" to meet the inverters' high voltage input specifications. In a "series" configuration each of the PV modules in the string will operate at the level of the poorest performing module. This will typically be caused by (i) partial shading of the PV modules from normal building congestion (e.g. from chimneys, parapets, railings power lines, telecommunications towers, etc), debris and dirt (ii) variances in power output due to variances of the orientation of the PV modules (e.g. building angles curvatures etc.) and (iii) variances in module manufacturing tolerances. Avoiding the disproportionate impact of these factors on system performance now requires site specific custom design of the system, increasing system cost and limiting the number of locations where solar power can be deployed economically. Sustainable Energy's low voltage inverter enables a "parallel" architecture where each PV module operates at its optimum power point, independently of other modules in the system, limiting the impact of partial shading on system performance, and completely eliminating the potential for module mismatch from variances in orientation of the modules or manufacturing tolerances. |
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