National Instruments Corporation

Todd J Walter

Brian C MacCleery

Burt D Snover

An embedded system may distribute, e.g. at the point of coupling to a main power grid, information corresponding to one or more operational parameters (e.g. phase angle, frequency, amplitude, etc.) of a power delivery device to other power delivery devices, using a deterministic communication link. Updates of some or all of the information may be transmitted at future or past points in time, for example at defined time intervals. Time synchronization methods, e.g. a locked instantaneous interpolation mechanism may be used to create a coordinated time, shared among all power delivery devices. Various operating parameter mismatches, e.g. a phase mismatch between power delivery devices delivering power to the power grid, may thereby be reduced to less than a specified, negligible value. This creates tight time synchronization between the power delivery devices and allows them to interoperate in a manner that stabilizes rather than destabilizes the power grid.

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Todd J Walter