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This paper presents a dynamic model of the active front-end (AFE) converter in the synchronous reference frame under balance input voltage condition. Transfer functions of the closed-loop control based on this dynamic model are verified experimentally in the frequency domain. Bode plots of these transfer functions are given to validate this synchronous frame-based dynamic model. Based on these results,...
This paper presents the development of the Controller and efficient Control algorithms for enabling modularity and bus paralleling of High Power Converters employing high speed Controller Area Network bus (CAN). Presently paralleling of Converters requires common current sensors to sense the load current, which restricts the level of redundancy of the system as well as limits the number of Converter...
A buck converter is a very common choice for non-isolated offline LED applications, using peak current regulation. The problem for peak current regulation is that the average current of the LED string will vary with different numbers of LEDs. This paper presents two simple and cost effective ways to compensate the average current variation without losing the simplicity of peak current regulation.
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