Grid stabilization using adjusted voltage regulator response to grid characteristics

Schneider, Kevin P.; Tuffner, Francis K.; Hansen, Jacob; Tang, Yingying; Radhakrishnan, Nikitha; Mana, Priya Thekkumparambath

Title: Grid stabilization using adjusted voltage regulator response to grid characteristics

Patent · Tue Sep 22 00:00:00 EDT 2020

OSTI ID:1735307

Schneider, Kevin P.; Tuffner, Francis K.; Hansen, Jacob; Tang, Yingying; Radhakrishnan, Nikitha; Mana, Priya Thekkumparambath

Apparatus and methods are disclosed for control systems for improving stability of electrical grids by temporarily reducing voltage output of electrical generators responsive to transient events on an electrical grid. In one example of the disclosed technology, a controller is coupled is to an automatic voltage regulator, which in turn adjusts excitation current of an electrical generator responsive to changes in frequency detected for the electrical grid. Reducing the output voltage temporarily allows for smaller generators to provide power to the microgrid. Methods for selecting parameters determining how the controller generates a regulation signal used to adjust the excitation current are further disclosed.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 10,784,686

Application Number:: 15/875,981

OSTI ID:: 1735307

Resource Relation:: Patent File Date: 01/19/2018

Country of Publication:: United States

Language:: English

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