Timeline for Center-tapped transformer and inductance calculation for transformer driver
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 16, 2020 at 8:32 | vote | accept | Yannick | ||
| Feb 15, 2020 at 11:42 | comment | added | Neil_UK | Flyback transformers have current flowing in primary, or secondary, but not both. This means the primary is open circuit when secondary current is flowing, so that's the impedance that appears across the secondary L. You have a 'forward' transformer, where current flows in both windings. The primary impedance is a short circuit, which 'shorts out' the secondary L. | |
| Feb 15, 2020 at 11:17 | comment | added | Yannick | I indeed thought I could somewhat use the transformer inductance as a filter (flyback style). Wurth says the value of 475uH is "L1" on their site. Are you implying the corresponding reactance is "Xm" (central branch of the T model), and not L2,s as I assumed (right reactance of the T model)? So my calculations would be right if that was L1,p which is not? Sorry for double confirming but I want to be sure! And how come flyback transformers can do LC filtering directly as a side question. | |
| Feb 15, 2020 at 11:11 | history | answered | Neil_UK | CC BY-SA 4.0 |