| 发明名称 |
Circuit arrangement |
| 摘要 |
In an up-converter supplied by the mains supply and operating in the critical mode, the on-time of the switching element ( 2 ) is modulated so that it is increased in the vicinity of the zero crossings of the mains supply voltage. As a result the THD is lowered.
|
| 申请公布号 |
US7365999(B2) |
申请公布日期 |
2008.04.29 |
| 申请号 |
US20050558724 |
申请日期 |
2005.11.30 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
MELAI HENRI ARNOUD IGNATIUS;HENDRIKX JOHAN ANTON;VAN DIJK BERNHARD CHRISTIAAN;VELDMAN PAUL ROBERT |
| 分类号 |
H02M7/537;G05F1/575;H02M1/00;H02M1/42 |
主分类号 |
H02M7/537 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
