Method for controlling a current-interrupting device in a high-voltage electrical network
US9502187B2 · kind B2 · utility
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3Claims
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Assignee
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Key dates
| Filing date | Apr 30, 2012 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Mar 1, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method of controlling switchgear in order to estimate the remanent flux value of a power transformer during disconnection from a high-voltage electrical network using voltage measurements delivered by a capacitive voltage transformer by correcting the transfer function of the capacitive voltage transformer, and in which said value is delivered to a controller that determines the optimum switchgear switching instant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.