Current differential protection method for self-adaptive half-wavelength line based on time-difference method
US-2018375322-A1 · Dec 27, 2018 · US
Electrical power supply system having internal fault protection
US9018799B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9018799-B2 |
| Application number | US-201213479312-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 24, 2012 |
| Priority date | May 24, 2012 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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Abstract
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An electrical system architecture has at least two sources of electrical power, each delivering power to an individual AC bus. The individual AC buses are connected by a tie bus. A first source of electric power delivers power into a first AC bus, and the first AC bus delivers power to a first set of users. A supply current sensor is between the first source of power and the first AC bus. A tie bus output sensor senses output power from the AC bus being delivered onto the tie bus. A plurality of user output current sensors sense current passing to each of the plurality of users. A control is operable to compare a sensed current in the supply current sensor, and sum the current in the tie bus output sensor, and the plurality of user output sensors. If the sum of the output sensors differs by more than a predetermined amount from the current sensed by the supply sensor, the control identifies a fault. The first AC bus is then disconnected from the tie bus.
First claim
Opening claim text (preview).
The invention claimed is: 1. An electrical system architecture comprising: at least two sources of electric power, each of said at least two sources delivering power to an individual AC bus, and said individual AC buses being connected by a tie bus; a first of said sources of power delivering power into a first said individual AC bus, and said first AC bus for delivering power to a first set of users and a supply current sensor between said first source of power and said first A…
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Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
- H02H3/305Primary
Electricity · mapped topic
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- What does patent US9018799B2 cover?
- An electrical system architecture has at least two sources of electrical power, each delivering power to an individual AC bus. The individual AC buses are connected by a tie bus. A first source of electric power delivers power into a first AC bus, and the first AC bus delivers power to a first set of users. A supply current sensor is between the first source of power and the first AC bus. A tie…
- Who is the assignee on this patent?
- Good Jef William, Seagren Robert L, Berg Joshua, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H02H3/305. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).