- According to TUV Standard
- Double XLPO Cable
- Approved by ABS, SGS, TUV,UL
- Service Life 25 Years
PV Wire: A comprehensive Expert FAQ Manual
Have you ever used a PV wire? There is a significant chance that most of us have never even seen this type of wire. If you are one of those people who know nothing about it, you need to educate yourself urgently. Why must you seek knowledge on Photovoltaic wire?
Recently, the cost of solar energy has taken a big dive. Cutting-edge solar technologies have become the order of the day. Recent studies have revealed that solar is most likely to become the cheapest power source within the next ten years. With such high praises, don’t you think it is high time to transition towards solar energy?
If you live in a sunny area, you should adopt solar power. You can easily start by installing simple solar panels that can power essential home appliances. However, it is practically impossible to transition towards solar energy if you don’t know anything concerning a solar PV wire. So, what can you possibly do?
The best thing to do is to research and learn everything related to solar panels and PV wires. Understandably, it will be tough to learn everything from scratch. Where do you start this colossal learning expedition? Well, we’ve got you covered. This comprehensive manual is the perfect starting point. By the time you finish reading it, you will be on your way to becoming an expert in any PV cable.
1.What is a PV wire?
PV is an acronym that stands for Photovoltaic. Photovoltaic is a term that is used to refer to the production of electricity at the intersection of two elements exposed to light. What does this tell you about a photovoltaic wire?
Essentially, a PV wire is a single-core wire whose sole function is to link the panels of a solar panel electricity system. What exactly is a solar panel electricity system? It is a complex electric-power production system that captures sunlight and converts it into electricity through a convoluted energy conversion process. Solar power generation has been on a dramatic rise globally because it is relatively cheaper than fossil fuels.
When choosing a PV cable, you have to be extremely careful. Otherwise, you might end up purchasing a wire that doesn’t meet your specific needs. An ideal photovoltaic wire has to meet the requirements of UL 4703 Standard for Photovoltaic wires. Here is an outline of all the features that you need to watch out for;
- The conductor size: 18 AWG through 2000kcmil, TUV popular size solar cable 4mm to solar cable 6mm.
- The conductor materials have to be copper and tinned copper
- The insulation material must be XLPE or XLPO
- The accepted voltage is either 600V, 1KV, or 2KV
- The cable must be sunlight resistant
- Accepted temperature ratings are 900 Celsius wet, 1050 Celsius dry, and 1500 Celsius dry
- Its construction should be single conductor, non-armoured
2.Which is the right PV wire size?
Some of us like taking shortcuts in life. If you are one of those people, you shouldn’t attempt to take a shortcut when choosing an ideal PV wire. It would be best if you took your time to carefully consider all the options and choose the correct wire size for your specific application. Which is the right wire size?
Well, the proper wire size varies according to your specific needs. There is no particular size that is ideal for all applications. If you choose an undersized PV wire, there will be a notable voltage drop in the wire, causing an enormous power loss. In a worst-case scenario, the wire may heat up to an extent where a fire arises. You wouldn’t want that to happen, would you? So, how do you choose an appropriate PV wire size?
There are several PV wire manufacturers. They are legally required to size their products using the American Wire Gauge (AWG) scale. solar cable manufacturers commonly construct PV wires in 12 AWG, 10 AWG, and 8 AWG sizes.
Each PV wire size can withstand a specific amount of current. For instance, a PV wire 10 AWG can allow up to 30 amperes of electric current to be transmitted from a single solar panel. It would be best if you made your choice depending on the amount of current you intend to run through the wire. The amount of current in a solar power system varies depending on the brand and modules of the solar panels. Thus, it is always advisable to consult your local PV solar cable expert before choosing a PV wire.
3.Which are the commonly used PV wire types and their advantages?
With the undeniable rise in the number of households and commercial spaces using solar power, there is much interest in solar cables. Photovoltaic wires must meet several requirements to be eligible for use in solar power systems. Any PV cable must be able to withstand environmental, mechanical, chemical and electrical damage.
Currently, tinned copper PV cable is commonly used in both residential and commercial solar energy applications. Why is copper the most ideal conductor material? Well, copper has great conductivity. Hence, it can transmit more electric current compared to other conductors of the same size.
Are looking for a highly effective PV solar cable? It would be best to go for one that has a stranded tinned copper conductor. Why is it important to choose a stranded wire? Stranded wires are slightly more conductive than solid ones because they have a large wire surface. It is always advisable to use a stranded wire in large solar types because they can carry more current. Also, the flexibility of a stranded wire is an added advantage because solar installations often require maximum flexibility. For a complete summary of PV wire advantages, please check out the image below;
4.What is the appropriate PV wire amperage?
The appropriate Photovoltaic wire amperage is entirely dependent on the total amperes produced by your solar power system. If your system generates 10 amperes, you will need a wire need an 11 or 12-ampere wire. Why should you go for a PV wire that can handle more current than what your system produces? It is advisable to use a wire that can go a little higher than what your system generates. This helps in ensuring it can withstand the current.
You have to remember that different wires can withstand different amounts of electric current. For instance, a 6 mm solar PV cable can withstand up to 70 amperes, whereas a 4 mm solar PV cable is rated at 55 amperes. If you are not sure about the type of wire that suits your needs, you should consult your local PV wire expert.