|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||307/67 ; 307/64 ; 310/153 ; 318/150|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 97 인용 특허 : 0|
An UPS (uninterruptible power system) includes an UPS power conditioning unit that provides conditioned AC power to a critical load. The UPS power conditioning unit includes a variable speed drive that operates in response to AC utility power or to a standby DC input by providing a motor drive signal. The UPS power conditioning unit further includes a motor-generator that operates in response to the motor drive output by providing the conditioned AC power to the critical load. In response to an outage in the utility AC power, standby DC power is provided...
An uninterruptible power system, including: a first connection for receiving utility AC power; an uninterruptible power system (UPS) power conditioning unit connected to the first connection; a critical load connection on the UPS power conditioning unit for providing conditioned AC power to a critical load; a standby DC power connection on the UPS power conditioning unit; a standby DC power source coupled to the standby DC power connection for providing standby DC power to drive the UPS power conditioning unit during interruptions in utility AC power; a ...