Friday, March 22, 2013

Brownouts, Be Gone

Posted By on Fri, Mar 22, 2013 at 2:28 PM

Humboldt State University students designed a cool device to try to help the 50 million households in the world relying on renewable energy mini-grids avoid brownouts by distributing their load on the grid more evenly. And it seems to work.

They conceived the grid-share idea, reports environmental research web, when HSU grad student Karma Dorji, who's from the Bhutan, explained the problem that people in his country were having, notes the story:

Many villages in Bhutan have micro hydroelectric mini-grids and brownouts are common, particularly first thing in the morning when people are heating water and in the early evening when people are cooking rice.

The students designed a device that tells a homeowner the status of the grid capacity at any given moment. If it's normal, then it's a good time to cook. If a brownout's pending, then maybe the cooking can wait. The device was used in a pilot project in the Bhutan:

The data showed that severe brownouts were reduced by over 92% after the GridShare devices were installed.

The results of the pilot project were published in the January-March 2013 Environmental Research Letters.

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Heidi Walters

Heidi Walters worked as a staff writer at the North Coast Journal from 2005 to 2015.

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