Neutral-forming transformer management
AssigneeFord Global Technologies, LLC
InventorsHaider Mhiesan, Timothy Harris, Kirk Pulay, Christopher Bernard Trombetta
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Abstract
A home energy system includes a neutral-forming transformer (NFT), one or more sensors, and a controller. The sensors monitor operating parameters associated with the NFT, such as temperature, voltage, and current. When the parameters satisfy a first condition for at least a first duration, the controller adjusts system load distribution to manage loading stress on the NFT. When the parameters satisfy a second, more elevated condition for at least a shorter, second duration, the controller opens an NFT relay to isolate the transformer.
Claims18
A method of operating a home energy system that includes a neutral-forming transformer (NFT), the method comprising:
- upon an operating parameter associated with the NFT exceeding a first value for at least a first duration, performing a first control response;
- and
- upon the operating parameter exceeding a second value different than the first value for at least a second duration shorter than the first duration, performing a second control response different from the first control response.
A home energy control system comprising:
- a controller programmed to, upon a temperature and a voltage associated with an NFT of the home energy control system satisfying a first condition for at least a first duration, toggle loads associated with the NFT or shift load priority across conductors associated with the NFT, and upon the temperature and the voltage satisfying a second condition different than the first condition for at least a second duration shorter than the first duration, open an NFT relay of the home energy control system.
A home power distribution system comprising:
- a housing including a neutral-forming transformer (NFT), one or more sensors configured to sense operating parameters associated with the NFT, and a controller configured to adjust a load distribution associated with the home power distribution system when the operating parameters satisfy a first condition for at least a first duration and to open an NFT relay when the operating parameters satisfy a second condition different than the first condition for at least a second duration shorter than the first duration.
Dependencies are inferred from the claim text.