Everything about Electric Power Conversion totally explained
In
electrical engineering,
power conversion has a more specific meaning, namely converting
electric power from one form to another. This could be as simple as a
transformer to change the
voltage of
AC power, but also includes far more complex systems. The term can also refer to a class of electrical machinery that's used to convert one frequency of
electrical power into another frequency.
Power conversion systems often incorporate
redundancy and
voltage regulation.
One way of classifying power conversion systems is according to whether the input and output are
alternating current (AC) or
direct current (DC), thus:
- DC to DC
- AC to DC
- DC to AC
- AC to AC
There are also devices and methods to convert between power systems designed for single and three-phase operation.
The standard power in the U.S. is usually 60
hertz (Hz), but in much of Europe, and other parts of the world, the standard is 50 Hz, and thus factories that want to manufacture products in one region for export to the other need a frequency converter that converts one frequency to the other.
Another application is in the aerospace and airline industries. Often airplanes use 400 Hz power so 50 Hz or 60 Hz to 400 Hz frequency conversion is needed for use in the ground power unit used to power the airplane while it's on the ground.
Certain specialized circuits, such as the
flyback transformer for a
CRT, can also be considered power converters.
Further Information
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