Amazon Technologies, Inc.

National Technology & Engineering Solutions of Sandia, LLC

Montana Technological University

Ryan Thomas Elliott

Daren Gill

Jason C Neely

Raymond H Byrne

Vishwanathan Krishnamoorthy

Daniel J Trudnowski

David A Schoenwald

Saigin Govender

Jeff Gour

Rajat Chaturvedi

Brian Joseph Pierre

Maoxiong Xu

Felipe Wilches-Bernal

The present invention relates to PMU-based control systems for dampening inter-area oscillations in large-scale interconnected power systems or grids to protect against a catastrophic blackout. The control systems receive phasor measurements from two or more locations on an AC transmission line and generates a power control command to a power resource on the grid.

Systems and methods for controlling electrical grid resources

Systems, methods, and devices related to providing content items from a collection of content items. The embodiments disclosed enhance user experience by keeping track of which content items were already played to a user, and skipping those content items automatically. The embodiments disclosed herein also can enable a user to limit playing of content items to those that have been added since the last time contents items from the collection of content items were played. If the user selects to receive additional content items after receiving the newly added items, the system can provide the older unplayed content items after the newly added content news items have been played.

System and methods for providing unplayed content

Growing community of inventors

Seattle, WA, United States of America

Ryan Thomas Elliott