发明名称 |
Boost topology having an auxiliary winding on the snubber inductor |
摘要 |
A boost converter topology is disclosed that includes a resonant network comprising a snubber inductive element having a primary winding connected in series to a first resonant diode that is connected, at a first node, to two series connected additional resonant diodes and a secondary winding coupled to a fourth resonant diode connected to the first node. The present invention has the advantage of reducing the energy stored in the parasitic capacitor of the first resonant diode by a factor of four at the turn off of the main control switch. This reduction is achieved by allowing only a small amount of energy transfer to the snubber inductive element so that it does not turn the two additional resonant diodes on before the auxiliary switch is turned on, thus reducing losses and EMI associated with turning on the auxiliary switch. |
申请公布号 |
US6434029(B1) |
申请公布日期 |
2002.08.13 |
申请号 |
US20010981553 |
申请日期 |
2001.10.17 |
申请人 |
ASTEC INTERNATIONAL LIMITED |
发明人 |
CYR JEAN-MARC;VERREAU RICHARD |
分类号 |
H02M1/34;H02M1/44;H02M3/155;(IPC1-7):H02M7/68 |
主分类号 |
H02M1/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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