Showing posts from November, 2015

How to maintain solar panels

Solar panels play a significant role for generating electricity. Solar panels generate electricity when exposed to the sunlight. The efficiency of solar panels and generating electricity is strongly influenced when sun exposure to the solar cellis reduced. Dust, dry areas and building up other particles like droppings of birds have significant impact on the amount of generating electricity by solar panels. Cleaning solar panels regularly can significantly increase the overall efficiency of solar panels. Typically, solar panels are self-cleaning. Insufficient care for solar panels can decrease the efficiency of solar panels. Therefore, it is very important to maintain solar panels very carefully.

How to clean solar panel glass Before starting cleaning, you have to shut down your entire system as per instructions or guidelines of your manual provided by your solar panels manufacturer.Cleaning solar panels from the ground is safe. In order to stay on the ground saf…

Inverter for solar panels

Inverter is a power converter which converts Direct Current (DC) into Alternating Current (AC). As most of modern appliances operate on 120 volts AC, an inverter plays a key role for your solar power system. It can convert the low voltage DC to the 120 volts AC and also can charge the batteries if connected to the utility grid.

Basically, an inverter can supply three types of power. They are as follows:

Usual or typical power: An inverter has to supply usual or typical power on a steady basis which is continuous rating. It is comparatively lower than the surge power. For example, after the first few seconds, a refrigerator pulls this power to start up the motor.

Surge or peak power: Supplying maximum power by an inverter for short time period is called surge or peak power. Typically, it ranges from few seconds up to 15 minutes or so. For example, we can say about electric motors like pumps which require higher startup surge while running.

Average power: This power is comparatively lower…

How to size wire for solar panels

It is very important to size wires correctly for reaching energy from your solar panels to battery bank without any serious power loss. For example, we can say about flowing water through a pipe, if the size of the pipe is smaller, then very little amount of water can pass through it. Following steps are necessary for sizing wire for solar panels:

First Step: First of all, you have to decide the required voltage for your system. Typically, it is 12, 24 and 48 volts. Solar panels need the required size of wire which can last long. The simple equation is that if the voltage is higher, then solar panels need the smaller size of wire in order to carry the current smoothly and safely. In the power equation (P=V x I) of a circuit, it has been observed that the Power (Wattage) "P" is equal to the Voltage "V" times the current I. Therefore, it is realized that if the voltage increases the current decreases, because V x I always equal to P. If, the total amount of current is…

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