Power conditioner and backup for security scanning equipment
US6987332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2004 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jan 22, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J9/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are power conditioning systems for providing filtered, clean and reliable power to sensitive electrical or electronic loads and further to provide battery backed power to those loads. Further disclosed herein are such power conditioning systems for supplying clean power to security scanning equipment and to infant life support devices. One of the systems disclosed herein supports a 30 kVA combined load and includes a cabinet, a passive input circuit receiving three phase AC power, an AC to DC converter including a 12 pulse rectifier, a regulating DC to DC converter, a high frequency DC to AC inverter utilizing PWM at 50 kHz, an output passive filter, two banks of batteries permitting hot-swappable battery replacement and capable of supplying power for at least 10 minutes at full capacity load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.