The scope of this video is to make current transformers for soft switching inverters, in either Tesla coil, induction heaters or other inverter types using resonant switching. This video end article, should enable you to identify the correct construction according to your inverter design limitations. Key points appearing in the video. This post will not […]
Current Transformer (CT) Design and Construction Read More »
This is the third video in a series of three(now four), on how to get started with the DRSSTC UD3 Tesla coil driver. In this video I wanted to make sparks. I made some sparks, but never got to play MIDI/SID 🙁 I failed. There will have to be a 4th video with proper sparks
NextGEN DRSSTC UD3: First Real Test and My Failure (Part 3 of 4) Read More »
Happy New Year 2026 to everyone, especially to the very active commenters and all the guests finding their way from links, social media and mentions around. Thank you all for making 2025 another great year! The Youtube channel did great as well https://www.youtube.com/channel/UCSukTlgTEWiL-sl0UeYeJvQ/ I would like to invite you all to also join the High
Happy New Year 2026 Read More »
This is a teardown of a complete x-ray system, with control panel, x-ray head with high voltage transformer and collimator. The Philips Practix system is a mobile system, usually mounted on a trolley, with the x-ray head on a separate arm assembly. It has a large and small focus fixed anode X-ray tube, the maximum
Philips Practix 100 kV X-ray System Teardown Read More »
Teardown of a ABB 5.5 kW ACH550 HVAC Variable Frequency Drive. HVAC is short for Heating, Ventilation and Air Conditioning. In this application I will say its purely marketing, as HVAC industry is mostly based on cheap prices and drives are marketed specifically with low prices to this and maybe focus on high efficiency at
Teardown of a 5.5 kW ABB ACH550 HVAC Variable Frequency Drive Read More »
The AVAB PDD III light dimmer system is built for 96 channels of 10A capacity per channel. A full stocked rack would be able of pulling a total of 960A at 230VAC, pulling over 200kW, just for lights in a theater! This system dates back to 1997, and even earlier with its version 2 and
AVAB PDD III 14kW Light Dimmer Teardown Read More »
We are building an ESP8266 based Geiger counter that I was given by the crew at Science Pavillion, at Roskilde Festival 2022. Science Pavillon is a initiative between CERN and Niels Bohr Institute, with a joint effort to teach science to the young people attending the Roskilde Festival. I was hired in to do Tesla
Building The CERN / NBI Geiger Counter Kit (Teach Your Kids Electronics) Read More »
The largest Tesla coil show for public display in Denmark, is one of the major reveals on the re-opening of Energimuseet! After being closed to the public, for 1½ years, the museum reopened on April 12th 2025. The new dual Tesla coil system is built by Finn Hammer from @hammertone2nd , in collaboration with Kaizer
Energimuseet Tesla Coil System Walkthrough and Demonstration with Finn Hammer Read More »