Method for detecting ground fault in inverter including shunt resistors
US9983249B2 · kind B2 · utility
2Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | May 13, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/64
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for detecting a ground fault in an inverter using leg-shunt resistors is provided. The method includes detecting output currents of three phases of the inverter, determining whether or not a voltage utilization of the inverter is not less than a preset allowable voltage level, and determining an occurrence or non-occurrence of the ground fault in the inverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.