Planning to build a big range of solar panels? Before you begin soldering solar cells you need to determine how many panels you will need in order to meet your power output goals. Definitely, in order to do that, you will need to have an understanding of how to wire your panels combine. This page will describe the difference between series solar system installation and parallel solar panel installation, and it will provide advice as to which you should use.
What is circuit?
An electronic circuit unit is just a path electrons can flow through. The simplest circuit is a wires, battery, and light bulb. As electrons move via a circuit, they make voltage – the difference in charge between 2 points and current – the rate at which charge is flowing (measured in amps).
Each electrical part in a circuit affects current flow by changing its electrical features. For example, resistors dissipate power, while capacitors store electrical charge. Conductive wires permit current to flow. The replacement, or configuration, of these components within the electrical circuit affects the flow of current and its electrical energy.
Wiring solar panels in parallel
Imagine that you are looking at 3 solar panels laying next to each other on the ground. On the peak of each panel is a positive terminal. On the base of each panel is a negative terminal. You are going to wire these panels combine using the terminals. You have 2 options. Option one is to run wires along the top, linking each positive terminal combine and to run wires along the bottom, linking each negative terminal combine. This is a parallel solar system installation. What happens when you wire your panels in this style?
When you wire your solar panels in parallel, the full voltage output remains the same as it is in an one panel. The amperage output becomes the sum of output of each panel. For instance, say each of your panels generate twelve volts and 3.5 amps. The full output of your panels, when wired in parallel, would be twelve and 10.5 amps. What would your full output be if you had 6 panels instead of 3? Your voltage output would remain the same, twelve volts, but your amperage would rise to 21.
Wiring solar panels in series
Now look back at those 3 unwired solar panels laying next to each other on the ground. This time we are going to link them in series. Instead of wiring the positive terminal of single panel to the positive terminal of the panel next to it, we are going to wire the positive terminal of single panel to the negative path of the panel next to it. Do this for each panel, and your range will be wired in series. What is the outcome of this?
When you wire your solar panels in series, the amperage stays the same, and the full voltage outcome becomes the total of the voltage output of each panel. Using the same three twelve volt, 3.5 amp panels as above, we can view the difference. Wired in series, they now generate 36 volts at 3.5 amps. What if we hook up 3 other panels? Correct? Our amperage remains at 3.5 and our voltage outputs highs to 72.
When to use each respective wiring style
Which residential solar panels wiring style should you use? Well, that depends on the Suntech solar panels that you want to use solar power to charge up your RV while camping. An RV, as you know, uses a twelve-volt system; therefore, you would want your solar panel system outputting twelve volts. So, if you have 2 solar panels and each generates twelve volts at 3.5 amps, you would want to wire them in parallel, which would keep the volts at twelve and increase the amperage to 7.0. if, on the other hand, you have 2 solar panels and each generates six volts at 3.5 amps, you would want to wire them in series, which would rise the volts to twelve while keeping the amps at 3.5.
You may be wondering what the effects are, in regards to full power output, of wiring panels up one way or the other. The reply is that there are no effects at all. Full power in measured in watts. To figure out the full wattage of your charging system, just multiply your amps times your volts. For example, say you have one system generating twelve volts at tem amps and another generating 120 volts at one amp. Which generates more power? Neither.
12 volts X 10 amps =120 watts
120 volts X 1 amp =120 watts
For easy reference in regards to the difference between series wiring and parallel wiring, just remember that parallel wiring = more amps, and series wiring = more volts. With an amazing understanding of the differences between series and parallel solar system installation, you are now ready to design and build your own solar panel system.
Should I install may solar panels in parallel or series?
How you pick to wire your solar panels depends on your installation design ( where the panels be installed and inverter), whether you are linked to the grid or not, and the size of your installation.
Bear in mind that there are negatives and positives to each system. While it be simpler to wire your solar panels in series, a disruption to one of the elements will destroy the full circuit, so it is less reliable. On the other hand, panels linked to parallel need bigger, more costly wire.
Ideally, your solar power plan should contain some kind of optimizing tracking such as MPPT in addition to any modifications made to the solar cell itself, as it may be more advantage to do energy tracking rather than modify the wiring of your solar panels. And do not forget about rejecting this full problem entirely and going with microinverters.
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