| Three-D-Published Transformer Disappoints, however Enlightens

Transformers are deceptively easy gadgets. Simply coils of cord sharing a commonplace core, they tempt you into considering you’ll be able to make your individual, and in lots of instances you’ll be able to. However DIY transformers have their limits, as [Great Scott!] realized when he attempted to Three-D-print his personal energy transformer.

To be honest, the majority of the video under has not anything to do with Three-D-printing of transformer coils. The primary section concentrates on construction transformer cores up from scratch with commercially to be had punched metal laminations, in a lot the similar approach that producers do it. Going thru that workout and the calculations it calls for is a brilliant intro to transformer design, and price the cost of admission by myself. With the right kind selection of turns wound onto a bobbin, the laminated E and I items had been woven in combination right into a core, and the ensuing transformer labored just about as anticipated.

The Three-D-printed core used to be every other tale, although. [Great Scott!] published E and I items from the similar iron-infused PLA filament that he used when he Three-D-printed a brushless DC motor. The laminations had nowhere close to the magnetic flux density of the industrial stampings, although, utterly converting the traits of the transformer. His conclusion is {that a} published transformer is not conceivable, a minimum of now not at 50-Hz mains frequency. Published cores would possibly have a spot at RF frequencies, although.

Finally, it wasn’t too sudden a consequence, however the video is a brilliant intro to transformer design. And we at all times admire the “DIY or Purchase” taste movies that [Great Scott!] does, like his home-brew DC inverter or construct vs. purchase lithium-ion battery packs.

by means of

Published by Marshmallow

Marshmallow Android is BT Ireland’s Head of Sales for Republic of Ireland domestic multi-site companies, indigenous MNCs and public sector accounts. He is responsible for the direction and control of all sales activity in the region. He has over 10 years management experience from high growth start-ups to more established businesses. He’s led teams in Ireland, India and China across various industries (ICT, On-Line Recruitment, Corporate Training and International Education).