Xantrex versus Sunny Boy [RE-wrenches]

[Eric Smiley]

>The IGBT technology and electronics used  has very high losses at less
than >full load. Also the need for an isolation transformer is a waste
of energy. >You will probably lose 1-3% of max output in the
transformer.

The isolation transformer also remains energized 24 hours/day thus
drawing power from the grid when the sun isn't shining.

Eric Smiley, BEng, MASc
Project Leader
Photovoltaic Energy Applied Research, Technology Centre
British Columbia Institute of Technology

NE25 - 3700 Willingdon Avenue
Burnaby, British Columbia
Canada V5G 3H2

phone: 604.432.8657    fax: 604.436.0286
esmiley at bcit.ca             www.tc.bcit.ca

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