AC-DC converters
First Claim
1. An AC to DC converter comprising a resonant tank, a switchable converter comprising an array of bi-directional switches for driving the resonant tank, a rectifier coupled to the resonant tank, and a controller for controlling the resonant tank by controlling the state of the switchable converter on the basis of a predictive algorithm.
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Accused Products
Abstract
An AC to DC converter comprises a bi-directional switch array converter which converts a three phase AC supply at 50/60 Hz to a high frequency single phase drive for a series resonant parallel loaded tank. The tank is transformer coupled to a rectifier and filter to give a high voltage isolated DC supply to drive a load. The switching of the converter is based on control of the resonant tank to operate as close to a desired tank reference voltage as possible.
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Citations
15 Claims
- 1. An AC to DC converter comprising a resonant tank, a switchable converter comprising an array of bi-directional switches for driving the resonant tank, a rectifier coupled to the resonant tank, and a controller for controlling the resonant tank by controlling the state of the switchable converter on the basis of a predictive algorithm.
Specification