All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(508850 products available)
Ready to Ship
Solar panel systems are available in different kinds, each suitable for certain conditions. These systems utilize direct sunlight to produce electricity. The sunlight is then stored in batteries, so even when the sun is not out, there will still be electricity. The main types of solar panel system for home include the following:
Grid-Tied Systems
This type of solar panel system is attached to the conventional electric grid. This means that when the weather is not sunny enough to generate electricity, the system can draw power from the national grid. These systems normally need an inverter to convert the direct current produced by the solar panels to alternating current. Everyday appliances use AC current, and the inverter also needs to be able to sync the AC current from the solar panels with the utility grid so that the two sources of electricity are not fighting each other.
Off-Grid Systems
Off-grid solar panel systems are not connected to the utility grid. These systems are mostly used in remote areas where it is not feasible to extend the electrical grid. Off-grid systems are the only source of electricity for homes or businesses that are far away from power lines. They also work well as backup power sources for people who live in areas where the grid is prone to outages.
Hybrid Systems
As the name implies, hybrid solar panel systems have features from both grid-tied and off-grid systems. Hybrid systems can be connected to the grid like grid-tied systems, but they also have battery backup like off-grid systems. This means that hybrid systems can draw power from the grid or provide power from stored batteries as needed. Hybrid systems usually require a special type of inverter called a hybrid inverter. This inverter can handle both the grid and battery functions at the same time. The inverter converts the DC electricity from the solar panels into AC electricity for home use. It can also manage charging the batteries and sending excess power back to the utility grid if desired.
Agricultural Use
The use of solar source system in agriculture has been increasing over the years. Solar energy can be used for irrigation by powering water pumps and systems for crops. This helps reduce dependence on fossil fuels and provides a reliable source of energy in rural areas.
Mining
Solar energy is used in mining operations to power equipment, lighting, and other systems. This helps reduce the reliance on diesel generators, which are often the primary source of power in remote mining locations. By using solar energy, mining companies can reduce their environmental impact and operating costs.
Manufacturing
Solar energy is used in various manufacturing processes. This includes producing solar panels themselves, electronics, and automobile parts. Large factories often install solar panels to power their operations and reduce energy costs.
Transportation
Solar power can be used to power electric trains and other transportation systems, reducing dependence on fossil fuels. This is especially useful in remote areas where the cost of building electrical infrastructure is prohibitive.
Desalination
Solar energy is used in desalination processes to provide a sustainable source of power for converting seawater into freshwater. This is particularly important in arid regions where water scarcity is a major concern.
Maximum system voltage
These systems have an average maximum system voltage of 1,500VDC. This is the highest voltage that the solar power system can safely handle. Higher voltage means the system can operate at more power. It also allows for longer distances between components without losing too much energy.
Operating temperature range
Solar panels typically operate at temperatures between -40 degrees Celcius and +85 degrees Celcius. This means the equipment inside the solar panels is designed to keep working in very hot or very cold weather.
Efficiency Rating
Solar panel efficiency: Around 20-23% typical for high end home solar panels. Higher % means more power generated from same roof space.
Energy Yield: Up to 1,300 kWh per year per kW of capacity, depending on location and conditions.
Panel Specs
Panel Wattage: Standard sizes are 60 cells (@320W) or 72 cells (@400W). Bigger panels for utility scale.
Panel Size: Roughly 65x39 inches (1.7x1m) for typical residential panel.
Panel Materials: Durable tempered glass, aluminum framing, waterproofing sealants.
Mounting the solar panels
The first thing to do is to mount the solar panels. This is done by attaching mounting brackets to the roof or ground where the panels will be placed. The brackets support and hold the panels in place. The panels are usually mounted at a tilted angle. This ensures the sunlight hits them directly as much as possible.
Wiring the panels
Once the panels are mounted, the next step is connecting them with wiring. Each panel has wires that link it to the other panels. These are called series and parallel connections. The series link increases the voltage power, while the parallel connects boost the amperage power.
Installing the inverter
The inverter is a critical part of the solar system. It's placed near where the panels are installed. People don't normally see the inverter because it's hidden away. Its job is transforming the DC electricity the panels make into AC electricity. This AC power can then be used in the home. Homes require AC current because most appliances need AC power to run.
Connecting to the main electrical panel
After the inverter is set up, the next step is linking it to the main electrical panel in the house. This allows the solar power to flow from the solar array and inverter into the house's electrical system. With this connection, the solar electricity can be used to power up home appliances.
Testing the system
Once all the components are installed and connected, the final step is testing. This ensures everything is working properly. The technician will check the solar panels, wiring, inverter, and main panel connections. This makes sure the system can safely provide solar power to the home as intended.
The solar panels should be kept clean and free from debris like dirt, dust, and bird droppings. This helps them absorb sunlight better. Occasionally inspecting for any visible damage or issues is recommended. This allows for repairs if needed. The inverter should be checked to ensure it functions properly and is not displaying any error messages. Monitoring the solar system's performance through any available apps or monitors is important. This helps to track energy production and notices any drops in output.
Daily checks
Daily checks should be performed to ensure the solar panel system is working properly. Look for any visible debris, like leaves or bird droppings, on the panels. Remove anything that might block the panels from getting sunlight.
Inverter monitoring
The inverter should be monitored daily. Most modern inverters have displays that show power output numbers. These figures should be compared to see if the system is producing expected amounts of electricity. Online apps for inverters may allow remote checking, too.
Professional inspections
A professional solar technician should be called at least once a year for an in-depth system inspection. They can check hard-to-reach areas, like wiring or the inverter, safely from heights with special tools and equipment. They also have a special monitoring device that quickly checks panel performance without parents needing to climb on their roofs.
Winter precautions
There are certain precautions to take during winter. In colder months with ice or snow covering the panels, a technician should be contacted to carefully remove the icy covering. They have safe ways to do this without damaging anything. The electrical connections and safety components should be inspected frequently during very cold weather. This ensures the system continues functioning safely even in harsh conditions.
Stay in touch with solar company
Staying in touch with the solar company that installed the system is important. Any issues or questions about maintaining the solar energy system should be directed to them right away. They can provide help and advice fully qualified technicians.
It is important to consider the kind of quality controlled solar panels used when purchasing solar panels. The quality controlled solar panels are more energy efficient. This means they generate greater amounts of power from the sun's rays.
Panel materials
Premium solar panels are made from better materials than budget ones. They are constructed using pure silicon and high-quality glass. This allows them to absorb sunlight more effectively without losing as much power over the years.
Lower temperature coefficient
Panels with a lower temperature coefficient are advantageous. They are designed to produce reliable energy, even when outdoor conditions become extremely hot. Such panels do not overheat and go into shutdown like others.
Quality testing
Reports of solar panels failing or catching fire are rampant online. The probability of this happening is very low if only solar panels with quality testing are chosen. Those that undergo quality checks for durability and safety are better selections. They do rigorous tests, including simulating high temperatures, storms, and strong winds. These test for how well the panels hold up under any condition.
Thinking of the warranty coverage that comes with the solar power panels is important. Solar systems are massive investments. A good warranty gives protection and peace of mind in case problems arise.
Panel warranty
The solar panels themselves usually have separate warranties. These cover any manufacturing defects or issues with how the panels perform over time. It's smart to check that panel warranty information before buying a solar system.
Inverter warranty
The inverter is normally under warranty for shorter timeframes. Most inverters cover 5 to 12 years against defects. In this period, the company will repair or replace faulty inverters.
Overall system warranty
Look over the manufacturer's or installer's warranty policy, too. This covers the entire solar system and not just individual parts. It pays for fixing any problems with the installation itself or how different components work together.
What to do if the warranty needs to be claimed
If any issues happen with the solar system down the road, take note of them. Don't try to fix anything that is under warranty - the warranty could be voided. Contact the installer first to see about getting repairs or replacements covered by warranties.
A1. It is a system that converts sunlight into electricity. It does this using solar panels made of silicon cells. The panels capture the sun's energy and create an electric current through a process called photovoltaics. The panels are often mounted on rooftops or in open land.
A2. The beauty of the solar panels is that they work independently of the grid. When the sun shines on the panels, they produce DC electricity. An inverter then converts the DC power to AC power. This AC electricity can now be used to power up home appliances.
A3. Buyers should ensure the solar panel system uses high-quality materials. They should also consider how much power the system can produce. They should think of how well the system performs in real-life situations. They should select systems that large companies manufacture or install. This information is usually available online.
A4. To ensure quality, buyers should only purchase solar panel systems that have undergone rigorous testing.
A5. The warranty coverage that comes with the solar panel system should be checked before purchasing it. This gives the buyer so much peace of mind in case there are issues with the solar panels.
