Method to provide meta-stable operation of a DC microgrid comprising a pulsed load

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United States of America Patent

PATENT NO 10090764
SERIAL NO

15867276

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Abstract

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A Hamiltonian surface shaping power flow control (HSSPFC) method is used to analyze the meta-stability and adjust pulsed power loads on a DC electric power distribution network. Pulsed power loads are nonlinear, time-variant systems that cause nonlinear limit-cycles. During the on periods of a pulsed load, the system can be in an unstable state and is damped back to stability during the off state of the load. Therefore, over the entire period of the pulse the system may only be assessed as meta-stable. As shown through simulation, HIL and hardware results, the HSSPFC method is more accurate than the other small-signal approaches, such as Eigenvalues, Nyquist, and Floquet theory, and can reveal important details about the transient responses and performance.

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Patent Owner(s)

Patent OwnerAddress
MICHIGAN TECHNOLOGICAL UNIVERSITY1400 TOWNSEND DR HOUGHTON MI 49931

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Glover, Steven F Albuquerque, US 11 53
Matthews, Ronald Houghton, US 2 10
Robinett,, III Rush D Tijeras, US 22 308
Weaver, Wayne W Hancock, US 7 22
Wilson, David G Tijeras, US 35 367

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