Is the formula for calculating watts for DC the same as for AC (Volts x amps = watts)? I’m trying to figure out the details of a solar system. There is a company selling controllers that are rated for either… Continue Reading
i am 14 and cannot make the decision to put solar panels on the roof ( i would if i could) but i would at least like to make my own things energy efficient. i want solar power.. but i… Continue Reading
For example, Food Inc, which is now in theaters. There was the one where that dude ate mcdonalds for a while and had all sorts of body damage from it. Movies like that. Documentary kind of stuff but using real… Continue Reading
hey guys, how can i make a cellphone work like a solar-powered calculator ?, another question, can i use a solar panel to cool a can? Thanks!
I was wondering if it would be possible to combine the technology of piezoelectricity to generate electricity from rain and the technology of solar panels to create something that could generate electricity "rain or shine" I know the efficiency of… Continue Reading
I might buy a 3 kw grid tie in solar kit. I want to know all the stuff i need. I won’t need battiers cuz its tie in right? So it would be solar panels to dc current to inverter… Continue Reading
Answer these three questions, please: When so solar panels generate power, day or night? When do people usually charge the batteries of their electric cars, day or night? Since cars charge at night and solar power comes in the day,… Continue Reading
If I have a solar power system in my home, and it generates 1killowatt of energy, does that mean I can use 1 killowatt in a day? My lightbulbs only use 13 watts in an hour…. does that mean that… Continue Reading
How much electricity is used to make a solar cell, and how much can one produce in it’s useful lifetime? Back story: I was in Japan, staying with a researcher who worked for the military. We got onto the subject… Continue Reading