MPPT vs. Inverter: Key Differences, Advantages, and Considerations for Your Solar Setup!

If you are looking for a way to optimize your solar power system, you might have come across the terms MPPT and inverter. But what are they, and how do they differ? 

In this blog post, you will find out what MPPT and inverters are, how they work, and how they compare in terms of cost, reliability, and performance. You will also receive some tips on when to use MPPT or inverter, and how to choose the best one for your system.

Let’s get it started! 

What Are Standard Inverters?

What Are MPPT Inverters?

Do I Need an MPPT or an Inverter?

Some Tips on How to Choose the Best Inverter for Your System

Best Pure Sine Wave Inverter For Your Off-Grid System at BougeRV

Conclusion

FAQs 

What Are Standard Inverters?

Standard inverters, also known as conventional or basic inverters, convert direct current (DC) to alternating current (AC), allowing household appliances and electronics to be powered. Many standard inverters produce a modified sine wave or square wave output, making them do the job just fine if you’re running basic devices or appliances that don’t require a clean AC waveform. 

Standard inverter pros:

Standard inverters are designed with simpler features and technology, making them easy to use and install, requiring less professional knowledge and skills. And they’re more affordable and rugged and less prone to failure under certain conditions. These simple standard inverters are commonly used in off-grid setups like RVs or boats, where high optimization is not as crucial. 

Standard inverter cons:

Standard inverters can’t optimize power conversion whereas their advanced counterparts can adjust operations based on load or input conditions. Therefore, using standard inverters in large-scale systems could lead to high energy loss. Besides, some standard inverters can produce electrical noise that may interfere with radio and audio equipment operation.

What Are MPPT Inverters?

An MPPT inverter not only converts electricity from DC to AC but also continuously adapts the load to ensure solar panels work at peak efficiency. 

MPPT inverter pros: 

By adjusting the voltage and current, the MPPT inverter can increase panel efficiency by up to 30%, optimizing power output under various conditions, such as changing weather, low light, shading, or the sun's shifting position throughout the day. 

Additionally, MPPT inverters regulate voltage and current more effectively, which can reduce system stress and potentially extend the lifespan of both solar panels and batteries.

MPPT inverters support high-voltage array configurations and allow for the use of thinner cables, which can decrease overall system costs and reduce power losses over long cable runs. Some models also offer advanced monitoring and control systems via apps, enhancing system management.

MPPT inverter cons: 

There are disadvantages to MPPT inverters. In small solar setups, the cost versus performance benefit may be negligible. If a solar panel array is situated in an area with consistent sunlight and minimal temperature fluctuations—thereby already operating near its maximum power point—the gains from using MPPT technology may be slight.

Additionally, MPPT inverters can generate substantial heat, necessitating adequate cooling measures. Their sophisticated design also imposes limitations on input voltage, current capacity, and system compatibility. As a result, the installation, troubleshooting, and repair of MPPT inverters can be more challenging.

MPPT inverters are more expensive, but they can ultimately lead to savings by improving the efficiency and longevity of your system.

Do I Need an MPPT or an Inverter?

MPPT inverters are ideal for you if you’re seeking maximum efficiency and power output for large solar power systems. Their superior performance is evident in several scenarios: 

• Managing large or complex solar arrays with multiple strings or modules.

• When there's a mismatch between the voltage and current of solar panels and batteries.

• When dealing with long cable runs from panels to batteries or inverters. 

• MPPT inverters also perform well in areas with variable weather conditions or where shading can impede solar panel performance. 

• If you need to integrate various types of solar panels or batteries within one system, MPPT technology can handle such complexities with ease. 

Conversely, standard inverters work if cost is your primary concern and your energy needs are straightforward without requiring solar optimization. They’re also necessary if you wish to integrate generators as backup or supplemental power sources.

Pure sine wave inverters—a subtype of standard inverters—can securely power your sensitive electronics or devices that require a clean AC waveform to operate correctly. In comparison, simple standard inverters producing a modified sine wave or square wave output could cause problems with these electronics or devices.

It's worth noting that standard inverters often lack advanced protection features against overloads, short circuits, voltage spikes, or other electrical issues. Therefore, you will need additional safety devices or select inverters with protection designs, or risk damaging your equipment.

Some Tips on How to Choose the Best Inverter for Your System

Now that you're familiar with MPPT inverters and standard inverters, including their advantages and disadvantages, you probably have a good idea of which one to choose for your system. For further assistance, we offer some useful tips to help you select the best inverter for your needs:

1. Select an inverter with a power rating that is higher than the total power consumption of your appliances or devices that you intend to run on solar energy. So, it's also important to calculate the total power consumption of these items beforehand.

2. Choose an inverter that has a voltage range compatible with your solar panels and batteries.

3. Look for an inverter with overload protection, surge protection, and a low battery alarm.

4. Furthermore, purchase an inverter from a reputable brand that offers good quality and a solid warranty. BougeRV, for instance, provides reliable 12V inverters suitable for your system.

Besides choosing the best inverter for your system, you should also consider:

• Use appropriate materials and methods to ensure proper wiring and grounding for your inverter.

• Install the inverter in a well-ventilated and shaded location, away from sources of heat.

• Employ a professional installer or adhere strictly to the manufacturer's installation guidelines when setting up your inverter.

• Perform regular maintenance checks on your inverter to prevent buildup of dust, dirt, and moisture.

• Incorporate safety devices such as fuses, circuit breakers, and switches to safeguard your inverter against short circuits and overloads.

Best Pure Sine Wave Inverter For Your Off-Grid System at BougeRV

BougeRV offers advanced standard inverters—-sophisticated 2000W 12V and 1000W 12V Pure Sine Wave Inverters, which are ideal for RV camping and off-grid living. Our 2000W 12V solar inverters are defined by the convenience of built-in Bluetooth for mobile app control, as well as the option for a wired remote.

These pure sine wave solar inverters with SPWM modulation technology deliver clean AC power and high conversion efficiency, making them worthwhile investments for powering both outdoor or household appliances and sensitive devices such as laptops, CPAP machines, and battery chargers for cameras and drones. They also contribute to extending the lifespan of your electronics.

Featuring built-in smart temperature control, these solar inverters ensure excellent performance and protect your devices against overloading, overheating, etc. 

With digital displays, our inverters are also great for night-time use even if you’re in the wilderness. Moreover, their quiet operation ensures they won't interrupt when you’re enjoying the peace and tranquility of nature or disturb your sleep. Take a look at our inverters for more details if you’re looking for excellent solar inverters. 

Conclusion

So, here’s the thing. You can now clearly understand the difference between MPPT and standard inverters. Whether you prioritize efficiency, cost, or simplicity, choosing the right inverter can significantly optimize your system and energy experience. 

With insights on MPPT's superior performance and when to opt for a standard inverter, you're now equipped to make an informed decision. For seamless integration and enhanced solar setup, BougeRV’s inverters can excellently fit your unique needs and align with your goals. Check them out now!

FAQs

1. Charge Controller vs Inverter, What’s the Difference？

A charge controller regulates the voltage and current from solar panels to charge batteries, preventing overcharging and undercharging. 

An inverter converts DC from solar panels or batteries to AC for your appliances or grid. Charge controllers and inverters serve different roles but can be used together in solar power systems for energy storage and usage.

2. What’s the Difference Between an MPPT Charge Controller and an MPPT Inverter?

An MPPT charge controller optimizes power extraction from solar panels to efficiently charge batteries. It regulates input voltage and current to maintain the optimal power output from the solar array and is primarily used in off-grid systems.

Conversely, an MPPT inverter converts DC to AC but also tracks the maximum power point. It's commonly used in grid-tied solar systems, where it directly converts solar-generated DC electricity into AC for immediate use or for exporting to the grid.

3. What Are the Differences Between Mppt vs. Pwm?

MPPT and PWM are types of charge controllers. MPPT controllers are more efficient and can increase solar panel power output, especially in low-light conditions. 

PWM controllers are simpler and less expensive but are less efficient and do not have power-tracking capabilities. To explore more details, read our blog post about MPPT vs PWM. 

4. Why Are MPPT Controllers Better?

MPPT Controllers can optimize the power output from solar panels by finely adjusting the voltage and current for maximum efficiency. This feature is especially useful during periods of low light or in fluctuating weather situations. 

Although MPPT controllers come with a higher price and greater complexity compared to PWM controllers, the increased efficiency of MPPT Controllers can result in a faster return on investment. So, MPPT controllers are worth investing in particularly when you’re connecting it to the power grid.