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Starting up a DC/DC converter having a high-frequency transformer
US9048745B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9048745-B2 |
| Application number | US-201213425613-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 21, 2012 |
| Priority date | Sep 21, 2009 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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Abstract
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During startup of a DC/DC converter having a high-frequency transformer whose primary winding is supplied with current from an input-side DC link via an inverter bridge having pulsed switches and whose secondary winding is used to charge an output-side DC link via a rectifier bridge. The switches of the inverter bridge are operated to load the output-side DC link, in a manner that deviates from a normal operation of the switches in order to limit the currents that flow in the DC/DC converter during startup of the DC/DC converter. Particularly, the switches of the inverter bridge are operated during startup of the DC/DC converter at a pulse width that is fixed during each of a limited number of stages of the startup, and have a duty cycle that is not more than 5 percent during each of the stages of the startup.
First claim
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What is claimed is: 1. A method of starting up a DC/DC converter having a high-frequency transformer that comprises a primary winding that is supplied with current from an input-side DC link via an inverter bridge having pulsed switches and comprising a secondary winding configured to charge an output-side DC link via a rectifier bridge, the method comprising operating the switches of the inverter bridge during a startup of the DC/DC converter to load the output-side DC link in a m…
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Electricity · mapped topic
- H02M1/36Primary
Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9048745B2 cover?
- During startup of a DC/DC converter having a high-frequency transformer whose primary winding is supplied with current from an input-side DC link via an inverter bridge having pulsed switches and whose secondary winding is used to charge an output-side DC link via a rectifier bridge. The switches of the inverter bridge are operated to load the output-side DC link, in a manner that deviates from…
- Who is the assignee on this patent?
- Seel Christian, Bethke Lars, Sma Solar Technology Ag
- What technology area does this patent fall under?
- Primary CPC classification H02M1/36. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 02 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).