Power Electronics and the Role of Silicon Carbide in the Energy Transition
In the conversation with Infineon’s Peter, the focus was squarely on power electronics — and, more specifically, the role of Silicon Carbide (SiC) in shaping the energy systems of tomorrow.
Peter began by explaining that power electronics are fundamentally about moving energy around: from the point of generation to the point of consumption, and in the configuration required. That might mean stepping high-voltage electricity down to low-voltage for everyday use, or converting renewable energy into a form that the grid and devices can use. From massive power plants down to homes, cities, and industries, this is the unseen infrastructure that keeps everything running.
But the technology landscape is shifting. As Peter highlighted, traditional silicon semiconductors have reached their limits in terms of efficiency. This is where
SiC, a wide-bandgap material, becomes central. Unlike conventional silicon, SiC can operate at higher voltages, higher temperatures, and with far lower losses. That translates directly into greater efficiency, smaller components, and reduced energy waste.
Why SiC Matters
The discussion emphasized that SiC is not just a lab curiosity; it is being deployed now in areas that matter most to the energy transition. In electric vehicles, SiC enables faster charging and longer range by reducing power losses. In renewable energy systems, it improves inverter efficiency, making solar and wind power integration smoother and more cost-effective. And in industrial applications, it cuts down on wasted energy across motors, drives, and power supplies.
The result is clear: every fraction of efficiency gained with SiC scales into massive savings when applied across grids, charging networks, and industrial plants.
From Silicon to SiC
Peter explained that the journey isn’t about replacing silicon overnight. Both materials will coexist, with SiC used where performance and efficiency gains justify the higher cost. But the trend is undeniable: SiC is becoming the preferred technology in high-power, high-efficiency applications.
Closing Thoughts
The interview made it clear that power electronics, and especially Silicon Carbide, are at the heart of the modern energy landscape. Moving energy efficiently, safely, and sustainably is the challenge of our time — and SiC is one of the breakthrough technologies making it possible.
This interview was recorded by Kevin O’Donovan, a member of IIoT World’s Board of Advisors.
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