DC VOLTAGE REGULATION BY INDEPENDENT POWER CONVERTERS
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United States of America Patent
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May 28, 2020
app pub date -
Mar 27, 2018
filing date -
May 4, 2017
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Abstract
In a system composed of at least two components joined by a common DC bus, a method to regulate the common DC bus and share the regulation of the DC bus between two or more elements connected to the DC bus through power converters by: implementing a first controller on each converter to introduce a virtual resistance or droop at the terminals of the converter that are connected to the bus being regulated; and implementing a second controller to regulate a second variable different from the common DC bus voltage where the output of the controller is used to shift the virtual resistance curve up and down.
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