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Tuesday, March 20, 2012
installing solar panels
Yes we can see a increase in solar panel sales in 2012 said a local company and a reduction in the cost of solar power. Its a given with the rise in fuel prices and the prices of oil staying the same if not going lower. consumers are growing tired of being hosed at the gas pumps and their monthly energy bills. Things have to change, each year more rebates are coming out for renewable energy, making it more realistic for the end user to buy he said. Last year we installed 25 large systems of solar and wind where the customer wanted to generate their own power saying goodbye to the utility company. In relation with our online sales at http://www.yourpowershop.com we are doing very good with this business. The product sells itself, all we have to do is provide it for the customer.
really we have some of the most cost effective Grade A modules available on the market today, for mono crystalline type we have prices as low as $2.25 per watt. The cost of solar power becoming more popular these days, especially since they are becoming more mainstream. You can use them as a power backup as well removing the need to use a gas generator when the power goes out.
Solar panels can also be used for off grid homes as well. The methods of control can utilize every cent from solar power before it flips over to the grid. It's simple really, the sun is converted into solar dc electricity and stored in cells. There is then an inverter to bump it up to house power for consumption. The trick is using a photo sunlight cell to shut a relay in series with the utility side power when there is sunsshine present. So when the sun is out you will run from solar power. At night the photo cell pulls the grid relay shut and runs your off grid power and at the same time recharges the cells in the event of a power outage reducing the need for a gas generator. During daylight hours if there is not enough sun to keep up with the solar then a second relay is used to override the photo cell relay to top up the batteries off the grid.
This is done with a battery voltage sensor. When the cells drop to a low point the voltage sensor triggers a relay tricking the larger relay into thinking its nighttime and goes to "grid mode". You can have this on a preset timer to ensure that the system does not stay in that mode and returns to the solar. The interesting feature of this control method is that the last cycle of solar that day will stay in solar mode until the batteries are drained. After dark when the system flips back to grid mode to recharge the batteries it will remain in that mode until the next morning giving the cells a rest and leaving them fully charged in the event of a power outage. The cycle then repeats the next cycle.
well as you can see the solar modules takes priority over everything else in the system. It also will increase the life cycle of your batteries. I know it sounds a bit confusing but this control method gives your solar energy home an advantage above the rest because you are using it for multi purpose and do not have to touch a thing. The cost for parts of this control method are approximately $500.00, if you can install it yourself and a worthwhile investment or addition to your solar project considering what it does.