Rabu, 16 Mei 2012

Solar Panel Installation Classes - Step By Step Solar Energy Classes

Solar Panel Installation Classes
Solar power systems for home come in a wide variety of types and sizes. One of the first things you'll need to know is exactly how you'll be using your free energy. The PV cells of a solar array absorb the sun's ultraviolet rays and convert that energy into electric current... but that doesn't mean you can use it right away. The 'juice' created by the photovoltaic process is direct current (DC) and needs to be changed to alternating current (AC) before it can

Read more ...

Tidak ada komentar:

Posting Komentar