All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

About 2kw off grid solar inverter

Types of 2kw off grid solar inverter

Off-grid solar inverters are devices that help people use their solar energy systems more efficiently when they are not connected to the main electricity grid. A 2kw off grid solar inverter will make it easier for people to power things like lights, tools, and refrigerators using solar energy. There are three main kinds of inverters, each with its own special features. Let's explore them using simple language.

Square wave inverters

This is the simplest type of solar inverter that helps people use their solar energy. It converts the direct current (DC) power from the solar panels into alternating current (AC) power, which is the kind of power people use for most things like light bulbs and small gadgets. It does this by creating square-shaped waves of electricity. What makes this inverter easy to use is that it costs less money to buy compared to the other types. However, it is only good for small and simple solar power systems because it doesn't work well for more powerful ones.

Sine wave inverters

This inverter does a better job than the square wave one. It produces a smoother wave of electricity, called a sine wave. This wave is better for many more complex devices people use every day, like televisions and computers. The sine wave inverter is more expensive, but it is worth it because it allows people to use their regular household items without any problems.

Pure sine wave inverters

Pure sine wave inverters are the most advanced type of inverter. They create a very smooth and clean wave of electricity that works well for all kinds of devices, even the most sensitive ones. Devices like medical equipment, computers, and electric fans need this type of power to work correctly. While pure sine wave inverters cost the most, they are essential for helping people run their important and sensitive tools.

Industrial applications of 2kw off grid solar inverter

A 2kw solar inverter helps industries transition to renewable energy sources like solar power. Here are the key industrial applications:

Remote and industrial off-grid applications

A lot of industries work in places where there is no electricity grid. In these remote areas, inverters help power tools, lighting, and equipment directly from solar energy. This keeps the work going even without access to regular power.

Peak shaving

Sometimes, industries have to deal with high electricity costs because many machines are running all at once. In those peak times, the cost of electricity can be very high. That's where inverters come in handy. They allow industries to use their solar power to reduce the need to buy expensive grid power during peak times. This saves a lot of money on electricity bills.

Emergency backup power

Many industrial places cannot afford to stop their machines or safety systems, even for a short time. Inverters provide backup power when there is a sudden outage of the regular power supply. This keeps critical systems and safety measures running until power is restored.

Charging electric vehicles (EVs)

As many industries now use electric cars and trucks to transport goods and employees, inverters can power charging stations. This enables companies to keep their electric vehicles fully charged for smooth operations.

Floating grid and island grid

Some industries are located on islands or isolated areas where it's too expensive to connect to the electricity grid. In these cases, inverters combined with wind or diesel power create a small local grid that provides reliable, affordable electricity for the industry to operate.

Product specifications and features of 2kw off grid solar inverter

Technical specifications

  • Maximum PV array voltage: 60 V
  • Battery voltage: 12 V
  • DC input voltage: 12 V
  • Maximum input current: 20 A
  • Rated output power: 2000 VA
  • Wave type: Pure sine
  • Output voltage: 230 V
  • Output frequency: 50 Hz
  • No-load power: 20 W

How to install

Here is how to install the solar system with the inverter properly:

  • Install solar panels

    The first step is to put the solar panels on the roof or in an open area where they can get the sunlight directly. The panels need to be positioned at the right angle so they can capture the most sunlight during the day.

  • Put on the mounting brackets

    To secure the solar panels, brackets called mounting brackets are attached to the roof or ground. These brackets hold the panels in place and make sure they are stable and don't move around.

  • Connect the panels

    Next, the wires from the solar panels are connected. Each panel has two wires: one for the sunlight power and one for the ground. The power wire sends the sunlight energy to the inverter, while the ground wire helps keep everything safe by removing any extra power.

  • Install the inverter

    The inverter is an important part that is attached to the wall or a nearby spot. It needs to be connected to the solar panels with a power production wire. The inverter's job is to change the sunlight power from direct current (DC) to alternating current (AC). It has a current wire that shows the AC power moving from the inverter to the main electrical system in the building.

  • Attach the battery (if needed)

    For systems with storage, a battery is added to hold extra solar power for later use. The battery connects to the inverter and stores the power for when it's needed.

  • Put on the power wire

    After everything is connected, the last step is to put on the power wire. This wire helps the solar power from the inverter move into the main electrical system in the building. It's like a door that opens to let the solar power inside.

Maintaining and repairing

  • Check the inverter settings regularly: The first maintenance task is to be done by the technician. The technician needs to check the operating parameters of the inverter regularly. The solar inverter used in the process needs to be checked for any change in the frequency, voltage, and power values. During the check-up, the employed person should take necessary notes to monitor changes and address them as they occur.
  • Clean the inverter and components often: Dust, dirt, and other small objects can affect how well the solar inverter works. To avoid this issue, all the cables and parts should be cleaned often. How can that be achieved? A soft cloth and a small brush should be used to clean the components. Avoid using water, as it can affect how well the batteries and inverter work.
  • Inspect areas regularly: Solar power systems include many components such as inverters, solar panels, batteries, control devices, and more. It's important to check the inverter and other parts regularly for damage or anything that's not supposed to be there. During the inspection, technicians need to look for cracked parts, rust, or broken cables that can affect how well the system works. While doing the fix-ups, care needs to be taken not to touch any main current-carrying material or part.
  • Replace damaged parts: Sometimes, several components become too old and start malfunctioning. As inverter internal devices wear out, one must open up to replace them or call an expert. For example, the capacitor takes the longest time to wear out, and after a certain time of wear, it'll need a replacement to keep it in a good working condition.
  • Update the software: In the present day, many inverters have smart software to monitor and work on the inverter. Off-grid inverters will autonomously work and reprogram themselves once the manufacturer updates the software. So it's the technician's duty to ensure he updates the software whenever required by the manufacturer to get an optimal performance range.
  • Monitor the system's performance: Maintenance works require monitoring the solar fencing system performance. Various parameters like current, voltage, and power need to be measured and recorded frequently. This information is critical for knowing when the system needs help.

Quality and safety considerations of 2kw off grid solar inverter

When choosing an off-grid solar inverter, quality and safety considerations are essential for ensuring reliable performance, protecting valuable equipment, and maintaining a safe operating environment. Here are the key factors to consider:

Use of quality material

Inverters are important devices that turn direct current (DC) from solar power into alternating current (AC) that people can use. In many energy systems, inverters are made from a special material called silicon semiconductors. To build a great inverter, high-quality silicon should be used because it helps the inverter work efficiently. When strong silicon is used, it makes the inverter operate better and last longer. Sometimes, manufacturers mix silicon with other materials to make it stronger. This helps the inverter handle heat better and perform well for many years. When choosing an inverter, checking the quality of the silicon and other materials inside is important.

Complying with standards

To keep people safe and protect their items, inverters need to follow safety rules. These rules are set by groups that make sure electrical devices can't cause harm. One special rule is called the UL certification. Inverters that have UL certification from the Underwriter Laboratories are approved to be safe. There are other certifications like CE, ETL, and CSA, which also ensure these products sometimes meet different countries' safety needs. It's important to check if the inverter has these approvals. It makes sure the product has been tested to watch out for anything dangerous, like fire or electric shocks. Pick one with these safety stickers, so there is less worry about the device hurting or damaging anything.

Insulation

The inverter package has something called insulation. Insulation is important because it helps stop electric shock from hurting people. It works by putting layers of different materials between the parts that carry electricity and the outside. When the layers of insulation are securely attached, it makes it very hard for electric power to go through to touch a person. This is good because it helps prevent electric shock. However, if the insulation gets damaged or is not strong enough, electric power could accidentally escape. This would be very dangerous as it could cause shock or burn. Proper insulation is critical for safety inside the 2kw off-grid solar inverter.

Grounding arrangement

Even with great insulation, there is still a remote possibility of the electric current escaping. What needs to be done then? There is a special safety system called grounding. Grounding uses wires connected to the ground to provide an easy pathway for electricity to go if something goes wrong. By doing this, any extra power will go straight into the ground instead of hurting a person. All inverters have grounding wires that need to be connected to keep the environment safe. One more additional reason grounding is important is it helps protect everything inside the inverter from bad power surges.

Q&A

Q1. What is a 2 kW off-grid solar inverter?

A1. It is a device that converts the direct current (DC) power generated by solar panels into alternating current (AC) power. This type of inverter is used in off-grid solar systems that are not connected to the main electricity grid.

Q2. How does an off-grid solar inverter work?

A2. An off-grid solar inverter works by drawing electricity from the solar panels. It first collects and stores the DC electricity in batteries. After the collection, the DC electricity is changed into AC electricity – a type of power that can easily be used in homes and businesses.

Q3. What is the primary difference between a string inverter and a micro-inverter?

A3. An off-grid solar string inverter connects with different solar panels in a series, while an off-grid solar micro-inverter is connected to each solar panel separately. The string inverter is used with roof spaces that have a single unshaded area only, and a micro-inverter is used with roof spaces that have different shading patterns throughout the day.

Q4. What are the benefits of using a 2 kW off-grid solar inverter?

A4. The off-grid solar inverter is used in a solar power system where the solar panels are directly connected to batteries to store excess energy. Because of this feature, it does not need to be connected to a utility power line, providing more flexibility in installation.

Q5. Is 2KW off-grid solar worth it?

A5. There are many types of inverters buyers can purchase for their mini-solar systems. Inverters like the square wave inverter are perfect for small systems for cost reductions, while sine wave and pure sine wave inverters can easily handle large, advanced solar systems to power up a whole house or business.