Mitsubishi Electric and Semikron Danfoss Develop Standardized Power Module Package for Next-Generation Industrial and Renewable Energy Applications
Mitsubishi Electric Corporation has announced the joint development of a new standard package for power semiconductor modules with integrated three-level circuit technology, marking a significant advancement in power electronics for industrial drive systems and renewable energy applications. The development was carried out in collaboration with Semikron Danfoss Elektronik GmbH & Co. KG, one of the world’s leading manufacturers of power semiconductor solutions.
The newly introduced package combines the strengths of Mitsubishi Electric’s LV100-type package, widely used in high-power applications, and Semikron Danfoss’s established SEMITRANS20 package platform. By creating a unified design standard optimized for three-level circuit configurations, the companies aim to simplify inverter development, improve system performance, and support growing industry demand for energy-efficient technologies.
The collaboration comes at a time when industries worldwide are accelerating efforts to achieve decarbonization and reduce greenhouse gas emissions. Governments, businesses, and energy providers are increasingly investing in technologies that support Green Transformation (GX), a broad initiative focused on transitioning toward cleaner and more sustainable energy systems. Power semiconductors play a critical role in this transition because they enable the efficient conversion and control of electrical energy across a wide range of applications, including renewable power generation, industrial automation, electric transportation, and energy storage systems.
As energy efficiency requirements continue to tighten, conventional power conversion systems are being challenged to deliver higher performance while consuming less energy. One area receiving significant attention is the adoption of three-level inverter topologies, which offer substantial advantages over traditional two-level designs. Three-level circuits can reduce switching losses, improve power quality, and lower electromagnetic interference, all while enabling smaller and lighter peripheral components.
Industrial facilities, manufacturing plants, and renewable energy operators are increasingly turning to three-level inverter architectures to improve operational efficiency and reduce overall system costs. However, designing and implementing these advanced circuits can be complex, particularly when component layouts and package configurations vary between manufacturers.
Recognizing this challenge, Mitsubishi Electric and Semikron Danfoss worked together to create a standardized package platform specifically optimized for three-level circuit applications. The new design focuses on ensuring compatibility across products while maintaining the high-performance characteristics required for demanding industrial and renewable energy environments.
At the core of the new package is the integration of a three-level T-type circuit configuration. This topology is recognized for its ability to achieve high conversion efficiency while minimizing energy losses. Compared with conventional two-level systems, T-type circuits can generate output waveforms that more closely approximate ideal sinusoidal signals, resulting in smoother operation and reduced stress on electrical equipment.
The incorporation of the T-type architecture within the newly developed package enables inverter manufacturers to design systems that are both more efficient and more compact. Reduced power losses contribute directly to lower operating costs and improved energy utilization, while the compact design helps optimize equipment footprint and installation requirements.
One of the key innovations of the package lies in its carefully engineered terminal arrangement. The developers optimized the positioning of main electrode terminals and auxiliary control terminals specifically for three-level T-type circuits. This design approach simplifies electrical connections and provides greater flexibility during inverter development.
The optimized layout offers several practical advantages. Engineers can more easily configure system architectures, improve current flow management, and reduce design complexity. In addition, enhanced terminal accessibility supports more efficient manufacturing and assembly processes, potentially shortening development timelines and lowering production costs.
Standardization is another major benefit of the new package. In the power electronics industry, manufacturers often face challenges when integrating components sourced from different suppliers due to differences in package dimensions, terminal arrangements, and mounting requirements. These inconsistencies can increase engineering effort and limit design flexibility.
By establishing a common package standard compatible with products from both Mitsubishi Electric and Semikron Danfoss, customers gain access to a broader range of component options while maintaining consistent inverter designs. This interoperability can help reduce development risks, improve supply chain flexibility, and simplify future upgrades or component substitutions.
The partnership between Mitsubishi Electric and Semikron Danfoss reflects a broader trend within the power semiconductor industry, where collaboration is becoming increasingly important in addressing the technical challenges associated with the global energy transition. As demand for advanced power conversion technologies continues to rise, industry leaders are seeking ways to accelerate innovation while ensuring compatibility and reliability across product ecosystems.
Renewable energy systems stand to benefit significantly from the new package technology. Solar photovoltaic installations, wind power projects, and battery energy storage systems all rely heavily on efficient power conversion equipment to maximize performance. Improvements in inverter efficiency can translate directly into higher energy output, reduced losses, and lower lifetime operating costs.
Similarly, industrial drive applications represent a major opportunity for deployment. Electric motors account for a substantial portion of global electricity consumption, particularly in manufacturing and process industries. Enhancing motor drive efficiency through advanced inverter technologies can contribute meaningfully to energy conservation efforts while improving operational productivity.
The introduction of this standardized package also aligns with growing market demand for modular and scalable power electronics solutions. As industries pursue greater electrification and digitalization, system designers increasingly require components that can be integrated quickly and adapted to diverse application requirements. Standardized module platforms help meet these needs by providing a common foundation for innovation and customization.
Looking ahead, the adoption of three-level circuit technologies is expected to expand across numerous sectors as organizations seek to improve energy efficiency and reduce carbon emissions. The availability of a standardized package optimized for these applications could accelerate deployment and encourage broader adoption of advanced inverter designs.
For Mitsubishi Electric, the development reinforces its commitment to advancing power semiconductor technology and supporting global sustainability goals. The company has long been involved in developing solutions that improve energy efficiency across industrial and infrastructure applications. Through this collaboration, it aims to provide customers with technologies that address both current performance requirements and future energy challenges.
For Semikron Danfoss, the project highlights its ongoing focus on innovation in power electronics and its dedication to supporting the transition toward cleaner and more efficient energy systems. By combining expertise with Mitsubishi Electric, the company is helping establish a foundation for next-generation inverter platforms capable of meeting evolving market demands.
As industries worldwide continue their journey toward decarbonization, technologies that enable more efficient power conversion will become increasingly important. The new standardized power module package developed jointly by Mitsubishi Electric and Semikron Danfoss represents a significant step forward in this effort, offering improved efficiency, greater design flexibility, and enhanced compatibility for the industrial and renewable energy systems of the future.
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