How can a high-voltage power conversion system improve eficiency and density?
There are a lot of challenges to delivering eficient power conversion in high-voltage applications. However, component, topology and system-level innovations can significantly increase the high-voltage power-conversion system’s eficiency and density, while simplifying designs.
What innovations will improve high-voltage power-conversion system eficiency and density?
Overall, innovations from three key areas – component innovations, topology innovations and system-level innovations – will increase high-voltage power-conversion system's eficiency and density, while simplifying designs.
How can topology innovations improve power conversion in high-voltage systems?
In addition to component-level innovations, topology innovations can help you simplify power conversion in high-voltage systems. The AC/DC rectifier is a great example of how wide band-gap technologies can elevate well-known topologies to improve power density and reduce design weight.
Can a distributed DC grid system improve high-voltage power conversion?
A distributed DC grid system could greatly simplify high-voltage power conversion and increase system availability and reliability. Beyond system architecture innovations, control system innovations are another way to simplify and improve high voltage power-conversion systems.
What are examples of high-voltage systems?
A few examples of high-voltage systems widely applied in today’s power networks include residential AC distribution power systems, telecommunication and server power systems, DC microgrids in renewable energy systems, energy storage systems, and electric vehicle (EV) onboard and offboard chargers.
What is a boost PFC rectifier?
This type of boost PFC rectifier is able to achieve really high eficiency (>98%) with a superjunction silicon MOSFET and a SiC diode. The full-bridge diode rectifier in the boost PFC rectifier does consume more than 1% of overall eficiency losses in kilowatt-level high-voltage systems.
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