Analogue overall balancing system for an assembly of capacitive-effect electrical energy storage devices, rechargeable storage module, electric vehicle and electrical installation comprising such a system
US10622815B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 2017 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Nov 15, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an analogue system for balancing a rechargeable electrical energy storage assembly including a plurality of capacitive-effect electrical energy storage devices connected to one another in series, the system including a balancing device for each storage device, including: a bypass circuit for the storage device, and a first comparator, arranged to control the bypass circuit according to the voltage across the terminals of the storage device and according to a balancing voltage; a second comparator, arranged to control an open state of the bypass circuit of each storage device according to a switch-off voltage, and according to the voltage across the terminals of each storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.