Patent · US Active

Circuit and method for an uninterruptible power supply of electronic devices has a changeover switch to supply power from different power sources according to various predefined power drop conditions

US8732507B2 · kind B2 · utility

2Cited by

3References

24Claims

0Family size

Assignee

Beckhoff Automation GmbH · DE

Inventors

Hans Beckhoff · Verl, DE
Andreas Thome · Neviges, DE

Key dates

Filing date	Oct 5, 2011
Grant date	May 20, 2014
Priority date	—
Expiry date	Jul 13, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH02J9/061
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A circuit for uninterruptible power supply, wherein the circuit can be connected to an energy supply and a load and includes a capacitive energy store, a changeover switch, a charging device, a charging control device, a voltage monitoring device, and a discharge device.

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