Timeline for Common mode inductors with high pulsed current
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 20, 2016 at 13:24 | vote | accept | Warren Hill | ||
| Jun 9, 2016 at 3:52 | comment | added | Whit3rd | It may be that a clamp filter (two C sections that is assembled around the cable) will be as effective as multiple turns around a ferrite rod. It's worth a try (solved my problem once, at an emissions test) with the smallest available item that will enclose the cable. Remember to try this on ALL the cables, including AC input and control cables; the one with the scary power levels isn't the only or even the main suspect. | |
| Jun 8, 2016 at 8:46 | comment | added | Warren Hill | @Whit3rd My problem is with radiated emissions and my reason for thinking a common mode choke may help is I have wrapped three turns of my lead to the load around a large ferrite at the equipment end and this reduces my emissions. | |
| Jun 8, 2016 at 7:47 | comment | added | Whit3rd | An 'inductor' won't stop a 50A 100 uS current from radiating if your wiring is a good antenna. It's possible to radiate RF from differential current, not just from common-mode current (and the inductor will have no effect on the outbound and return currents). | |
| Jun 7, 2016 at 15:28 | comment | added | Warren Hill | @OlinLathrop This seems not to be a common requirement, I have spoken to one manufacturer who can find no data for this but is arranging some testing to find out. | |
| Jun 7, 2016 at 15:27 | answer | added | John Birckhead | timeline score: 2 | |
| Jun 7, 2016 at 15:23 | comment | added | Olin Lathrop | If you can't find this kind of detail in the datasheet of a balun or common mode choke, talk to the manufacturer. | |
| Jun 7, 2016 at 15:05 | history | asked | Warren Hill | CC BY-SA 3.0 |