ZERO ENERGY HOUSES - (photovoltaic system ) By: Jonathan Tang ID#: M-A
Photovoltaic. What is it System in zero energy homes that generates electricity Definition Direct conversion of light into electricity Converted at atomic level Principle absorb photons of light and release electrons. Capture of free electrons creates electricity
History first noticed by a French physicist, Edmund Bequerel Albert Einstein described the nature of the photoelectric effect first photovoltaic module built by Bell Laboratories used seriously the first time by NASA
Why photovoltaic system?. $0 electricity bill - save money!! Environmentally friendly
Installation. Installed on the roof Set at south facing portion Reference: ww.subiacosustainable.com.au/ Gallery.cfm
How it works. DC to AC converter is needed for home system Reference:
$Cost$. 1960s - around $40,000 a watt of power Today - from $8 to $10 a watt - still expensive
Special Features. will generate electricity in most condition Designed to generate excess energy in summer for winter
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