LLC converter design

50 - High Frequency Magnetics - Created By:

waldous Published: 3 months ago

Hi everyone!

I am designing a 3kW converter with 390Vdc at the input and 250-420Vdc at the output, is it better to use a full bridge LLC converter than a half bridge LLC converter? I ask this because the Q is lower for a given load when a full bridge LLC is used. Does that mean that the full bridge LLC can manage higher output voltage ranges?

Thank you!

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taliter says:

When using LLC this way it requires a wide frequency control range, i.e. 100k-400k Hz, or a high Q, as well, to obtain full power at low line and to reduce the voltage at no load and high line.

Published: 3 months ago

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LLC converter design

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