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  • Photovoltaic

Photovoltaic

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Overview

Please choose a subcategory

  • Central inverter solutions
  • Micro inverter solutions
  • Power optimizer solutions
  • 1-phase string inverter solutions
  • 3-phase string inverter solutions
  • 1-phase hybrid inverter solutions
  • 3-phase hybrid inverter solutions

Leading products for end-to-end solar power solutions

Semiconductors for solar energy systems

Photovoltaic systems are one of the most demanded applications to address carbon reduction and increase the share of renewable energy in the grid. However, one of the biggest challenges facing the renewable sector is the need to balance supply and demand. The power supplied by photovoltaic (PV) modules fluctuates heavily depending on weather conditions. Nevertheless, the challenge of quitting fossil energy sources can be achieved with smart grid management and an energy storage system. PV panels supply power in the form of direct current (DC), which has to be converted to alternating current (AC) before it can be fed into the grid and consumed locally or transmitted to the point of use. Solar inverters convert DC to AC.

Efficient and reliable power semiconductors and inverter technologies are required to convert DC to AC and transmit the power with minimal losses. Combining solar systems with energy storage systems is one effective way of synchronizing supply and demand. Depending on their implementation, inverters fall into the categories micro inverter, power optimizer, string inverter, hybrid inverter, and central inverter. Our portfolio comprises a broad selection of components to build inverters ranging from just a few watts and kilowatts for residential use to several megawatts for the commercial and utility-scale markets. It includes best-in-class discrete IGBTs, MOSFETs, CoolGaN™, CoolSiC™ MOSFETs, and CoolSiCTM Schottky diodes in various package options, be it best-in-class TO247 discrete switches or highly integrated Easy modules, functionally integrated EiceDRIVER™ gate driver ICs, XENSIVTM current sensors, XMC™, PSoCTM controllers and AIROCTM and OPTIGATM for secured connectivity. Backed by our end-to-end application expertise, we offer the best product combinations to achieve leading power density levels and best-in-class efficiency. Our wide portfolio ensures the perfect match for a wide range of solar applications, including residential, small and large commercial, and utility-scale deployments.

Learn more about PV inverter types in the interactive graphic below

Interactive Graphic, Solar, energy, systems
  • All
Solar
    • Solar

      Micro inverter

      Micro inverters perform power conversion at each individual photovoltaic panel or multi-panel, usually these inverters are rated around 250 watt up to 1200 watt.

      • Single / multi-panel micro inverter
      micro inverter solar
    • Solar

      Power optimizer solutions

      Power optimization is used to convert variable DC voltage from the Photovoltaic (PV) panel into a fixed DC voltage through a DC-DC Power Optimizer. This stage can also be called Maximum Power Point Tracking (MPPT).

      • Power optimizer at panel level / Multi-panel level
      power optimizer solar
    • Solar

      String inverter

      String inverters perform power conversion on series connected photovoltaic panels, usually these inverters are rated around few up to 350 kilowatt. They typically comes with MPP tracker (MPPT).

      • 1-phase string inverter
      • 3-phase string inverter
      string, inverter, solar
    • Solar

      Central inverter

      Central inverters perform power conversion on multiple strings of solar panels, connected together. They are rated around 600 kW up to 1250 kW. Central inverter typically relies on single stage power conversion.

      • Topology and module selection
      central, inverter, solar
    • Solar

      Energy Storage System

      Battery-based ESS technology can respond to power drop-outs in under a second, in particular it plays an essential role in making use of clean energy sourced from collocated solar or wind plants.

      • Energy Storage Systems
    Products
    Get product recommendations for your application

    Let's work together to build your personalized block diagram

    Learn more about CoolSiC™ MOSFET in solar applications

    CoolSiC

    CoolSiC™ allows a power density increase by a factor of 2.5, e.g., from 50 kW (Si) to 125 kW (SiC) at a weight of less than 80 kg, so that two installers can lift it. With CoolSiC™ MOSFETs, the power of a string inverter can be doubled at the same inverter weight. Furthermore, the efficiency reduction at high operating temperatures is significantly lower compared to a Si solution. You can achieve maximum efficiency of over 99% by using CoolSiC™ MOSFET solutions from Infineon.

    Design Support
    Documents
    Highlights
    Whitepaper

    Energy security has become much discussed topic. This is resulting in power generation moving away from pure demand-side management to self-generated alternatives. For example, the most significant development in inverter design is related to the growth in Silicon Carbide (SiC) power devices. Learn about these megatrends for photovoltaic inverters in residential and commercial applications, and how to improve the inverter design.

    Download now

    Residential-Solar

    Residential solar offers a sustainable and cost-effective way for homeowners to generate their own electricity, reduce reliance on fossil fuels, and lower their energy bills. Read our new 4 part editorial series on residential solar and learn about critical components Infineon’s role in enabling residential solar solutions, discover the benefits to solar inverter design and explore the importance of silicon carbide (SiC) in ESS of residential solar power systems.

    Download now

    Whitepaper: Silicon carbide MOSFETs for next-level power density in solar and energy storage

    Solar, Webinar

    The latest generation silicon carbide semiconductors and CoolSiC™ MOSFETs enable a significant increase in power conversion efficiency in solar power generation systems and associated energy storage. Read more about these applications and how lower loss not only saves energy, but also results in smaller and lighter equipment with lower capital, installation, and maintenance costs.

    Download now

    Podcast4Engineers: Solar

    Photovoltaic systems – commonly known as solar power – are driving the shift from fossil fuels and bringing us closer to having abundant, green energy. Innovative and reliable power semiconductors and inverter technologies ensure that harnessing solar power is more convenient, efficient, and attractive.

    Listen now

    Videos

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    Training

    Exploiting the unlimited potential of solar energy - Module 1

    solar energy system

    Let’s learn more about how solar inverters work, from the ones we have in our houses, to the ones that are applied in major factories.  We will also see how Infineon innovates in power semiconductors for solar inverter technology and how that can help with reducing costs and time to market.

    Watch now

    Exploiting the unlimited potential of solar energy – Module 2

    In this module, we will have a look at different solar inverter trends and how the technology is evolving.
    And afterwards, we will see what Infineon’s comprehensive solutions for the positioning of solar applications are.

     

    Watch now

    Solar Inverter for Photovoltaic (PV) Panels | Market, Application, Problem, Solution and System (E1)

    The training overviews the different types of inverters and its functionality, it also positions products from Infineon for the specific inverter type with focus on control, connectivity and security. The training shows block diagrams of the difference solutions.

    Webinars

    String and hybrid inverters for residential and small commercial installations

    The trend toward smart homes and connected systems demands a common communication interface between all home appliances and a PV inverter to enable a better balance between energy generation and consumption.

    The main objective of this webinar is to explain the key technical features and system-level benefits of Infineon's semiconductor solution for string and hybrid inverter systems up to 30 kW output power.

    Key Takeaways
    1. Discover key technical features and system-level benefits of Infineon's semiconductor solution for string and hybrid inverter systems
    2. Examine key drivers and technological requirements in the trend toward higher integration and fan-less operation
    3. Explore the role of the PV inverter in the context of the smart home
    Keywords: Silicon carbide, SiC, power density, bidirectional, power conversion, efficiency, energy, solar, storage, cost-effective, cost-effective power density, bidirectional power flow capability, high-efficiency power conversion

    SiC MOSFET in Solar & Energy Storage

    SiC MOSFET in Solar

    Join the webinar to learn about the positioning of SiC for in solar and energy storage applications. We will talk about the benefits of using Infineon’s Silicon Carbide MOSFET for solar and energy storage power conversion supported by real application examples.

    In joining the webinar you will get a better understanding of the main technology trends in solar inverters.

    Watch now for free

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