Device for measuring current of three-phase inverter and method therefor
US12044705B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2020 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Jul 11, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R1/203
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring a current of a three-phase inverter according to an embodiment of the present invention comprises: a current detection element connected to the lower end of one of three lower switches comprising an inverter; a current measurement unit for measuring a current by using the current detection element and the other two lower switches, to which the current detection element is not connected; and a current correction unit for correcting a second current value and a third current value measured using the two lower switches, on the basis of the relationship between a first current value measured using the current detection element and the second and third current values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.