- Posted by Mads Barnkob on Tuesday 13 November 2018 - 07:41:38
https://www.ebay.co.uk/itm/232984429836
£24.95 Buy it now
Or Best Offer
+ postage (buyer pays £15.00)
If you buy outside of ebay, ...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
I've seen a few pictures of people winding their own toroids for GDT but is anyone winding their own power inductors? Anyone have tips? I've done a ...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
I take ferrite transformers from old power supplies and heat them up with a soldering iron to melt the glue.
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
I remove used ferrite transformers from the pcb and submerge the pin out pins in a brine solution in a soup bowl and microwave the transformer for abo...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
It maximises surface area for skin effect and twisting together as they in parallel reduces the interwinding capacitance so raises the self resonant f...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
hen and fly are right about high frequency stuff. but in your picture i think its just for current and ease of winding. one large awg gets hard to stu...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
So in this picture of a power supply, there are a variety of toroids:
https://i.ebayimg.com/images/g/adkAAOSwD1xZz5Iu/s-l1600.jpg
In some ca...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
It also reduces the leakage inductance, as each strand has almost exactly the same average distance to the core
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
Patrick
rubbish go pull a panasonic inverter microwave apart and look at the transformer a beautiful example of minimum wire needed for 2kW of power...
- Posted by flyrod on Wednesday 13 June 2018 - 19:02:49
Also note that the single wire-core magnetics in that really nicely designed PSU are input chokes, where the current is at 50 to 120 Hz (depending on ...
