Overview
ABSTRACT
Linking converters in power electronics allows for ensuring the exchange between two energy sources. The nature of sources (current, voltage or both) that defines the type of link between converters. For the design of this link, certain fundamental rules must be respected, such as the compatibility of sources and of the link for the whole frequency horizon. There are multiple combinations according to the nature and reversibility of the sources and the link. This article details the basic principles to be respected in order to ensure efficient links between converters. The two main cases of conversion with an intermediate link are also presented: direct and alternative.
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Read the articleAUTHORS
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Henri FOCH: Former professor at the Institut national polytechnique de Toulouse
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Philippe LADOUX: Professor at the Institut national polytechnique de Toulouse - Plasma and energy conversion laboratory (LAPLACE)
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Hubert PIQUET: Professor at the Institut national polytechnique de Toulouse - Plasma and energy conversion laboratory (LAPLACE)
INTRODUCTION
Today, converter combinations with an energy link can be found in many fields of application, and in power ranges from hundreds of watts to gigawatts. Indirect conversion with a DC intermediate stage is widely used in regulated drives (variable speed drives) or energy exchange control in electrical networks (high-voltage DC power transmission or energy links between on-board networks). AC link conversion is used in medical applications (high-voltage power supplies for x-ray tubes), embedded systems (compact isolated converters) and laboratory power supplies (low-distortion precision power supplies).
The aim of this file is to present the main converter associations with energy link, based on the converter and source association rules described in the files
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Association of converters providing an energy link
Basic association rules
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"Conversion of electrical energy"
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