Patent · US Active

Battery managing apparatus, battery pack, and energy storage system

US9277298B2 · kind B2 · utility

5Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2012
Grant dateMar 1, 2016
Priority date
Expiry dateAug 1, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P90/50
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An energy storage system having a number of trays with each tray having a number of battery cells in which power is controllably stored and discharged. A first Battery Management System (BMS) is electrically coupled to a tray contained in a rack of trays. A second BMS is electrically coupled to and controls the first BMS. The first BMS includes a control unit electrically coupled to and controlling the battery cells. It further includes a switch unit electrically coupled to the control unit and selectively applying driving power according to a control signal from the second BMS.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.