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GooglePatent applicationBatteries & energyInterest 5/10

Google patents system to safely restart power in data centers

This filing describes a method for safely restoring power to a data center after a total outage. It uses a two-step process where the system waits for a generator to meet specific voltage and frequency standards before allowing it to reconnect to the main power grid.

Why it mattersIt helps data centers recover from power failures more reliably by preventing multiple generators from trying to restart the system at once.

In the filing’s own words

Generally disclosed herein is a dead bus arbitration mechanism using a two-stage process. Individual distributed energy resource (DER) protection systems may be configured to enable a fast energization of the dead bus by initiating requests among the multiple power generation assets via a common bus architecture. The system may determine the first power asset that reaches predefined criteria or threshold values and grant permission to connect to the load bus for energization. After a predetermined interval, the system may be configured to output a secondary signal to initiate breaker closure. The original power asset that originated the initial request for dead bus closure may receive the secondary output signal.

What exactly they claim (claim 1)

1. A dead bus arbitration system for a server system, the dead bus arbitration system comprising: memory; and one or more processors configured to: detect a dead bus without a current or a voltage; monitor a voltage level and a frequency level of a plurality of generators available in the server system; determine whether two or more generators of the plurality of generators achieve a predefined threshold voltage level and frequency level; receive respective first request signals from the determined two or more generators, wherein each first request signal requests a connection to the detected dead bus; select one generator from the determined two or more generators based on assigned timer values; control the selected generator to transmit a second request signal; close a breaker connected to the selected generator; and transmit power from the selected generator to the detected dead bus.

Facts

Company
Google (Google LLC)
Official title
Universal Dead Bus Arbitration for Distributed Energy Resources
Publication number
US20260269616A1
Application number
19073376
Filed
Mar 7, 2025
Published
Sep 10, 2026
Inventors
2
Claims
20

Classified under

H02J 3/007 Electricity & electronicsH02J 3/381 Electricity & electronicsH02J 13/1331 Electricity & electronicsH02J 13/36 Electricity & electronicsH02J 2101/24 Electricity & electronicsH02J 2101/28 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.