![]() Department of Energy’s Office of Energy Efficiency and Renewable Energy explains that MLPE can reduce energy losses due to partial shading of modules by 20%-35% and they completely eliminate losses due to orientation mismatch of PV modules.Īdditional benefits of MLPE include providing compliance with module-level rapid shutdown requirements under the National Electrical Code (NEC), safety benefits, and typically longer warranties than for traditional inverters. ![]() MLPE can help mitigate production losses from a variety of different factors such as shading, module mismatch losses, and orientation mismatch losses (for instance, if you have panels on different roof planes). One of the primary reasons is to improve the energy production of the system. There are a number of reasons why incorporating MLPE into your solar designs can be a good option. Even partial shade, as shown here, can significantly reduce the power output of a solar array MLPE–including microinverters and DC optimizers–can mitigate these performance losses, among other benefits. MLPEs, then, are the combination of microinverters and solar optimizers to create a maximum-performance PV system.įigure 1. Solar optimizers also connect to the panels individually, but they first optimize the DC power and then send it to a central inverter to finalize the process of converting DC energy into AC, where microinverters convert the DC to AC right at the panel itself. The difference between microinverters and optimizers comes down to the process of conversion. Similar to the microinverters, solar optimizers also convert solar energy from DC to AC. To learn more about the fundamentals, check out our in-depth article on AC/DC energy and what it means for solar. Inverters allow the DC energy from the solar panel to be converted into the AC energy that is used in the home or sent to the grid. Instead of converting an entire string of panels, microinverters are connected to one (maybe a few) panels. This is in contrast to regular string inverters, which are usually larger and are in a central place with access to multiple solar panels. Microinverters are small (hence the name) inverters that are installed at the actual panel. ![]() Click the image to see how solar software can help you with MLPEs. They perform some of the same functions as a string inverter or central inverter, but are typically coupled to just one (or a few) solar modules rather than many, and offer additional features. MLPE includes microinverters and DC power optimizers. Module-level power electronics are devices that can be incorporated into a solar PV system to improve its performance in certain conditions (especially where shade is present) and to achieve a number of other solar design benefits. What are module-level power electronics (MLPE)? In today’s article, we explore some of the benefits of module-level power electronics and take a closer look at each type and where they fit within a PV system design. And there’s a good reason for that! Incorporating these devices can offer a number of design benefits. Once costly specialty products, module-level power electronics (MLPE) have made great strides in the last decade and are rapidly growing in popularity. New to solar design or want a refresh on the fundamentals? Read more about the basics of solar panel wiring by reading our article, Solar Panel Wiring Basics: How to String Solar Panels. One important consideration is determining whether to use module-level power electronics (microinverters or DC optimizers). As a global electronics company with 80 years of experience in developing innovative solutions for complex industrial technology applications used in harsh environments, our broad and diverse team of industry experts includes electrical and mechanical engineers who focus on designing electronic components and electrical components manufactured for reliability, safety, and sustainability, offering technological solutions that help empower the potential of people to drive innovation in the technologies transforming how people live, work, and connect.Solar contractors face many decisions when it comes to finding the best solar design. Our electrical and electronic products are engineered to reliably connect and protect the flow of data, power, and signal – in electric vehicles and aircraft, digital factories and smart homes, and life-saving medical devices, efficient utility networks, and the global communications infrastructure. TE Connectivity empowers engineers for innovation in industrial technology – by designing and manufacturing sensor and connectivity solutions for the technology that is enabling a safer, sustainable, productive, and connected world. As the go-to engineering partner for today's innovation leaders and technology entrepreneurs, we are helping solve tomorrow's toughest challenges.
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