Solar Inverters

Solar inverters such as hybrid solar inverters and micro inverters are produced. The innovative PV inverter with high quality supplied by EnterSolar manufacturer is sturdy, durable, and greatly improves work efficiency. We provide professional consulting and design services.

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Catalogue | Buying Guide

In terms of solar inverters, EnterSolar has advanced manufacturing and innovation capabilities. Our company's photovoltaics inverter products involve micro inverters, hybrid inverters, on grid inverter and off grid inverter while providing customers with customized services.

Types of Solar Inverter

Micro Inverter

A micro inverter is a device that converts DC from a single solar module to AC. Micro inverters can achieve MPPT at the component level, and light in weight.

Hybrid Inverter

Hybrid inverter is a device used in renewable energy systems, usually in a solar power setup. It combines the functions of a traditional solar inverter and a battery inverter.

On Grid Inverter

A on grid solar inverter's output AC power is returned to the mains. A grid-tie solar inverter is often used in applications of solar panels or small wind turbines.

Off Grid Inverter

An off-grid inverter is usually apply in stand-alone PV power systems to convert the DC power generated by solar panels or wind turbines into AC power for use by the load.

Home Appliances

Many homes have electrical equipment that requires the use of AC power. PV inverters usually convert DC power directly into AC power, and then power the equipment to ensure the normal power needs of the home. There are many household devices that can be affected by solar inverters. Appliances that can be used include desk lamps, fans, computers, rice cookers, TVs, refrigerators, washing machines, air conditioners, soy milk machines, electric kettles, ovens, projectors, hair dryers, induction cookers, etc.

Agricultural Area

Irrigation is a particularly important task in the agricultural industry, especially in arid areas where water resources are relatively limited. However, coupled with the high light intensity and time in arid climates, it is suitable to use solar power generation systems for efficient irrigation. Rural areas often have unstable power supply. PV inverters can convert renewable energy sources such as solar energy and wind energy into AC power, which can be supplied to agricultural facilities such as farmland irrigation systems and breeding equipment.

Features of Solar Inverters

High Precision

The solar inverter has a built-in MPPT tracking function with an accuracy of over 99.9%, which makes it easier to track changes in solar luminosity and control different output powers, improving the efficiency of capturing and collecting sunlight. The stable output allows the system to discharge power to the grid at the highest efficiency. The high accuracy of the value facilitates us to use the solar inverter better.

Intelligent Control

A high performance Maximum Power Point Tracking system is installed for intelligent monitoring and control. Current input/output is fully isolated to protect the safety of electricity. Digital control system is adopted and the connection with smartphone APP can detect the circuit condition. Smart function help to improve power generation efficiency and make system operation stable.

Innovation

In the field of inverters, we are devoted to innovation, quality and excellence. Now, EnterSolar produces and design solar inverters with a wide range of functions to meet the different needs of our customers. For example, synchronised grid-connection and grid-connected data sensing technology. The functional design of the inverters integrates monitoring, metering, communication and ease of use.

More Tips

What size of solar inverters do I need for RV?

The size of the inverter you need depends on the actual load power of your RV. As to high-power electrical appliances such as air conditioners and refrigerators, the starting current is equivalent to 3-9 times the average working current, and then it is required to select a power inverter with higher power.

Taking the 24V 3000W inverter as an example, if the sum of the rated powers of the loads to be used in the RV at the same time is no more than 2800W, the 3000W can guarantee a stable current.

It should also be noted that to prolong the inverter's service life, do not operate it at full load for a long time, and do not use the inverter in a condition exceeding 80% of the rated power.

What weather conditions can a solar inverter operate in?

Solar inverters can operate in full sunlight or cloudy environments.

Sunlight: Solar inverters operate most efficiently in bright sunlight, as this is when the solar panels can generate the most electricity.

Temperature: They are typically rated to operate within a certain temperature range. While they can handle high temperatures, their efficiency may decrease if the temperature gets too high. Extremely cold temperatures can also impact their operation, although this is less common.

Rain/Snow: Most inverters are designed to be weatherproof and can handle rain and snow. However, extreme weather conditions like heavy snowfall or prolonged periods of rain might affect the inverter's performance. It's important to make sure that the inverter is properly installed and shielded from the elements.

Wind: They are generally not affected by wind, but extreme wind conditions can potentially damage the inverter if it's not properly secured.

Frequently
Asked Questions

1. What size solar inverter should I install in my home or business?

The capacity of an inverter is lower than its corresponding solar array. You can only determine the optimal inverter capacity through professional solar design. However, solar systems typically have a DC-AC ratio of 1.25 or higher.

While traditional inverters are designed only for solar panels, hybrid inverters can also control battery systems. The ideal inverter choice for your home solar system depends on your plans.

If you only want to install solar panels and have no plans to add batteries in the future, it is recommended that you use a traditional string inverter. If you want a home solar system with energy storage, you must use a hybrid inverter.

2. How to choose a solar inverter?

1. Type of Inverter. Decide between string inverters (cost-effective for small installations) and micro inverters (better for shading or complex roof designs).

2. Inverter Capacity. Match the inverter's capacity to your solar panel array's total capacity. Oversized or undersized inverters can lead to efficiency losses.

3. Efficiency. Look for high-efficiency ratings to maximize energy conversion from sunlight.

4. Warranty. Ensure the inverter comes with a substantial warranty (typically 10-25 years) for peace of mind.

5. Brand Reputation. Choose reputable brands with a history of reliability and good customer reviews.

6. Compatibility. Ensure the inverter is compatible with your solar panels and monitoring system.

7. Grid-Tied or Off-Grid. Select the appropriate inverter type based on your system's connection to the grid.

8. Cost. Balance your budget with quality, avoiding excessively cheap options that may compromise performance or reliability.

3. How do grid-tied solar inverters differ from off-grid inverters?

A grid-tied solar inverter is designed to work in conjunction with the utility grid. Its primary function is to convert the DC electricity generated by solar panels into AC electricity that can be used in homes or businesses. These inverters are synchronized with the grid's frequency and voltage, allowing excess electricity to be fed back into the grid, often through a process called net metering. In contrast, an off-grid solar inverter is used in standalone solar systems that are not connected to the grid.

It converts DC electricity generated by solar panels into AC power for immediate use and stores excess energy in batteries for use when the sun isn't shining. Off-grid solar inverters are designed to manage both the charging and discharging of batteries, ensuring a reliable power supply in remote or isolated locations where grid access is unavailable.

In summary, the key difference lies in their connection to the grid and energy storage capabilities. Grid-tied solar inverters are grid-dependent and lack energy storage, while off-grid solar inverters are standalone and incorporate energy storage to provide continuous power in isolated settings.

4. Can I install the solar inverter myself?

Installing a solar inverter yourself can be feasible for some individuals, but it's important to consider your level of expertise and local regulations. Solar inverters are a crucial component of a solar PV system, converting DC electricity from solar panels into AC electricity for your home. Here are some key points to keep in mind:

1. Technical Knowledge. Installing a solar inverter requires a good understanding of electrical systems. If you're not experienced in electrical work, it's safer to hire a professional.

2. Safety. Working with electricity can be dangerous. Ensure you follow safety protocols, wear appropriate protective gear, and turn off all power sources before installation.

3. Local Regulations. Many regions have strict regulations and permitting requirements for solar installations. A licensed electrician may be required to ensure compliance.

4. Warranty. DIY installation might void the warranty on your inverter or solar panels. It's important to check the manufacturer's guidelines.

5. Grid Connection. If you're connecting to the grid, a professional may be needed to ensure seamless integration and compliance with utility requirements.

5. How does a solar inverter convert DC to AC?

A solar inverter converts direct current (DC) electricity generated by solar panels into alternating current (AC) electricity suitable for use in homes and the electrical grid. This conversion is crucial because most household appliances and the grid operate on AC power. The process typically involves the following steps:

1. Rectification. The first stage of the inverter is a rectifier, which converts the DC electricity from the solar panels into a high-frequency AC voltage. This is often done using semiconductor devices called insulated gate bipolar transistors (IGBTs) or metal-oxide-semiconductor field-effect transistors (MOSFETs).

2. Pulse Width Modulation (PWM). The high-frequency AC voltage is then converted into a square wave or pulse-width modulated (PWM) AC signal. This signal alternates between positive and negative voltages, mimicking the characteristics of standard AC power.

3. Filtering. The PWM AC signal passes through a filter to smooth out the square wave and create a more sinusoidal waveform resembling standard AC power.

4. Output Stage. In the final stage, the smooth AC signal is boosted to the desired voltage level and frequency and then fed into the grid or used in the home.

6. How long does a solar inverter last?

The lifespan of a solar inverter typically ranges from 10 to 20 years, but several factors can influence its longevity. Quality. The quality of the inverter plays a significant role. High-quality inverters from reputable manufacturers tend to have longer lifespans compared to cheaper, lower-quality alternatives. The environment in which the inverter operates is crucial.

1. Extreme temperatures, humidity, and exposure to the elements can shorten its lifespan. Proper installation and protection from harsh conditions can help extend its life.

2. Maintenance. Regular maintenance can prolong the inverter's life. Cleaning dust and debris, checking for loose connections, and ensuring proper ventilation are essential.

3. Inverter Type. There are different types of solar inverters, including string inverters, micro inverters, and power optimizers. Micro inverters and power optimizers often have longer lifespans because they operate at lower power levels, reducing stress on individual components.

4. Technology Advancements. Over time, inverter technology improves. Newer models may be more efficient and reliable, potentially outlasting older ones.