pole-mount (ground-mount) solar PV system, what it looks like during construction, and some information on the wiring and solar in general. All solar PV panels generate Direct Current (“DC”) in the daylight, converting the energy of the sun into the movement of electrons. DC current is like a cattle drive, where all the electrons are moving in one direction, to the load, then they move back to the source. Thus, DC current is one steady flow of energy born by electrons in motion. The DC power goes to an integral DC cutoff, which enables electricians to cut off the flow of DC power TO the inverter when servicing it. This DC power is the most pure you can imagine, it’s great for welding, and you can easily strike an arc with it. These high-voltage inverters run at about 400v, and generate about 5 kW, or about 12 amps to use if you wanted to weld with it. I’ve struck an arc with DC from a 80v 3 kW system, which had thus about 40 amps. The DC power goes into the INVERTER, which changes it to standard house current (Alternating Current, or AC). AC current is like a long line of cows doing the Texas Two Step, one step forward, one step back. AC is best for power transmission, but almost all household appliances use DC via internal inverters. Ironically, almost all appliances could run off the DC power from solar panels, the solar system inverter turns it into AC then the appliance turns it back to DC again. From the inverter the AC power goes to the AC cutoff and the performance …
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UK householders are installing solar panels in increasing numbers to take advantage of the Feed-in Tariff scheme www.energysavingtrust.org.uk