Educational aids
Marlec
Green Power Ed systems from Marlec are ideal for schools. The principles of generating electricity from renewable resources include the fundamentals of science and technology so Marlec’s Green Power Ed is designed to reinforce basic knowledge of the environment, electricity, data monitoring, statistics and theory thus supporting education. Students gain practical experience of wind and solar energy whilst using the power generated into 12V batteries to operate low energy lamps, pumps, etc or through inverters which convert the power to 240V a.c., for computers and other low energy mains appliances. 
The Green Power Ed provides a small demonstrator but it is also possible to monitor the behaviour of larger wind turbine and photovoltaic panels grid connected. SMA the manufacturer's of the well known Windy Boy and Sunny Boy grid connect inverters provide a range of monitoring equipment and software enabling real time access to performance, published to the web if required. Look here at some examples.
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