Power system and method of starting multiple power converters in grid forming mode
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United States of America Patent
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Dec 11, 2018
Grant Date -
Apr 19, 2018
app pub date -
Nov 3, 2017
filing date -
Oct 19, 2016
priority date (Note) -
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Abstract
A power system and method for performing a blackstart on a microgrid. The power system includes at least a first power converter and a second power converter. The first power converter comprises a first controller having a plurality of startup sequences for performing the blackstart. The second power converter is electrically coupled to the first power converter at a point of common coupling. During the blackstart, the first controller is configured to select and perform one of the plurality of startup sequences according to a point at which the second power converter is within the second power converter's startup sequence during the blackstart. The first controller selects the one of the plurality of startup sequences according to a microgrid voltage at the point of common coupling.
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