10 Facts About Power electronics

Power electronics is the application of electronics to the control and conversion of electric power.

Power electronics started with the development of the mercury arc rectifier.

Power electronics developed the state-space averaging method of analysis and other tools crucial to modern power electronics design.

Breakthrough in power electronics came with the invention of the MOSFET by Mohamed Atalla and Dawon Kahng at Bell Labs in 1959.

Power electronics MOSFET is the most common power device in the world, due to its low gate drive power, fast switching speed, easy advanced paralleling capability, wide bandwidth, ruggedness, easy drive, simple biasing, ease of application, and ease of repair.

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Capabilities and economy of power electronics system are determined by the active devices that are available.

Power electronics handling and dissipation of devices is critical factor in design.

High power semiconductors require specialized heat sinks or active cooling systems to manage their junction temperature; exotic semiconductors such as silicon carbide have an advantage over straight silicon in this respect, and germanium, once the main-stay of solid-state electronics is little used due to its unfavorable high-temperature properties.

In hybrid electric vehicles, power electronics are used in two formats: series hybrid and parallel hybrid.

Power electronics is instantaneously drawn from onsite batteries and converted into usable AC voltage by the VSI, until grid power is restored, or until backup generators are brought online.