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Manufacturing Industry
Got power? Solar-array inverter can tell.
Machine Design, December, 2000 by MRAZ, STEPHEN
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Engineers at Sandia National Laboratory have devised a safe and simple way to connect electricity-producing photovoltaic (PV) systems to utility-company power grids. Called the nonislanding inverter, the software-based method will likely be standard on all future inverters used to turn dc current from solar arrays into ac current for the grid.
Today's solar-power systems cannot sense if the distribution line they are connected to has been de-energized by the utility company for repair or upgrade. To do this, they ...
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