Electric power supply device, method for supplying electric power, and power storage device
US10749374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Jan 4, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric power supply device including: a first interposed between an electric power system and a predetermined load; a power storage system having a secondary battery, a first charging and discharging unit interposed between the secondary battery and the electric power system, and a second charging and discharging unit interposed between the secondary battery and the predetermined load; and a controller configured to control the first switch, the first charging and discharging unit, and the second charging and discharging unit, in which when system abnormality occurs, the controller causes the switch to open to disconnect between the electric power system and the predetermined load, causes the first charging and discharging unit to perform reverse power flow for a prescribed time, and causes the second charging and discharging unit to supply electric power to the predetermined load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.