发明名称 |
UNINTERRUPTIBLE POWER SUPPLY AND METHOD OF OPERATION |
摘要 |
An uninterruptible power supply (UPS) is provided that includes a split direct current (DC) link having a first capacitor coupled between a positive DC link terminal and a first node, and a second capacitor coupled between the first node and a negative DC link terminal. The UPS also includes a rectifier coupled to an input of the split DC link and a controller coupled to the rectifier. The rectifier includes first, second, and third legs, wherein each leg is configured to convert a first alternating current (AC) voltage received from an AC source into a DC voltage to be provided to the split DC link, and a fourth leg configured to balance DC link voltages of the first and second capacitors. The controller is configured to maintain functionality of the rectifier during at least one of a partial utility power outage, a full utility outage, and a failure of at least one of the first, second, third, and fourth legs. |
申请公布号 |
US2016013728(A1) |
申请公布日期 |
2016.01.14 |
申请号 |
US201414327171 |
申请日期 |
2014.07.09 |
申请人 |
General Electric Company |
发明人 |
Giuntini Lorenzo;Colombi Silvio;Mannuccini Andrea |
分类号 |
H02M5/458;H02J9/06 |
主分类号 |
H02M5/458 |
代理机构 |
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代理人 |
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主权项 |
1. An uninterruptible power supply (UPS), comprising:
a split direct current (DC) link comprising a first capacitor coupled between a positive DC link terminal and a first node, and a second capacitor coupled between the first node and a negative DC link terminal; a rectifier coupled to an input of said split DC link, said rectifier comprising:
a first leg, a second leg, and a third leg, each leg of said first, second, and third legs configured to convert a first alternating current (AC) voltage received from an AC source into a DC voltage to be provided to said split DC link; anda fourth leg configured to balance DC link voltages of said first and second capacitors; and a controller coupled to said rectifier and configured to maintain functionality of said rectifier during at least one of a partial utility power outage, a full utility outage, and a failure of at least one of said first, second, third, and fourth legs. |
地址 |
Schenectady NY US |