Apart from financial loss, if not selected properly the solar power plants that are reasonably priced, can also result in loss of good rooftop space.
Choosing a solar power plant requires knowing only some basic principles and calculations. But before buying a solar power plant one must have a clear understanding of why one is buying solar power.
If you are thinking of buying solar power plant only to save electricity bill, then it is not a right decision. Because the money you save for the solar plant can be paid by the interest earned from depositing it in any cooperative bank. But, if a solar power plant is installed, in Kerala where electricity is not available most of the time including load shedding, every house can generate the required electricity for a certain time every day. Self-sufficiency, broadly speaking, environmental protection and conservation of earth's energy resources are other benefits.
All electrical devices can run on solar power, but only if the plant has the capacity to do so. As the capacity increases, so does the cost, so it is best to purchase enough plant to run the necessary equipment.
A solar power plant which can run the necessary lights, fans, and TVs, avoiding AC, pumps, irons, etc.. is ideal. The cost of solar power plant changes according to the needs of the customer.
What to consider while choosing solar power
plants?
Solar power plants are indicated in terms of plant capacity in watts or units of electricity produced per day. Watts capacity refers to the total watts of appliances that can be operated simultaneously. i.e. a 500 watt plant can light five 100 watt bulbs at the same time.
A plant producing 5 units a day can be used in different ways. For instance, a 100 watt bulb can light up to 50 hours or a 1000 watt bulb can light upto 5 hours.
Both instances should be considered while choosing your solar plant. That is, the capacity of the inverter, a key component of the plant, determines how many bulbs (watts) can be operated simultaneously in a plant producing 5 units.
Inverter
One of the main components of a solar power plant, the inverter, is mainly concerned with two things, one is the capacity and the other is the wave form.
First you should ensure that the solar inverter offered by the solar company has given the capacity of the number of devices that can be operated simultaneously. Waveform Pure Sine wave is ideal.
For example, a 1000 watt inverter can light ten 100 watt bulbs at a time.
A solar power plant producing 5 units of electricity may have a 500 watt or 1000 watt inverter. The inverter should be selected based on the number of devices it can operate simultaneously.
Solar panels
Solar Panels at the Best Prices
There are three main types of solar panels that generate electricity from sunlight: monocrystalline, polycrystalline and thin film. Except for thin film which is less efficient, poly and mono are mainly available in the market.
Basically the main difference between them is the efficiency of power generation i.e. mono type has the most efficiency. Obviously Monocrystalline solar panels are more costly.
We must also ensure that solar panels are manufactured with quality since they should survive for at least thirty years, in sun and rain. Buy Solar Panels only from the best companies that are built on the most advanced technology.
A frame made of aluminum without sharp corners is preferable. If the corners are sharp, there is a chance that dust and mud will be blocked and the panels will not be fully powered by sunlight. A panel is made up of several small cells, and the quality can be understood by looking at the connection between each of the small cells. If they are soldered by hand it may come off after a while. It can easily be recognized if they are soldered by modern automatic machines. Likewise, having three bus bars is better than two, (more water flows through three channels).
Solar panels are available in different watts, for example 10, 50, 200, 250. Here is one thing that the consumer should be aware of: For example, a solar power plant of 1,000 watts will require at least four 250 watt solar panels or five 200 watt solar panels. This is the basic thing that the customer needs to ensure.
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