MIDI modulator for DRSSTCs

I have had the Loneoceans midi2 controller for a while, just never got around to put it together, so now I finally have it boxed …

Kaizer DRSSTC IV – a high impedance primary circuit experiment

A new article has been added that describes the thoughts, design, construction and test of a very high impedance primary circuit QCW DRSSTC, where the …

A new dedicated high voltage forum!

Hello everyone! The comment sections on my website have grown long with questions, advices and solutions. So I have expanded the site with a brand …

SSTC and DRSSTC musical modulator

Since Martin from ctc-labs.de decided to close down his website, which was all written in German, I asked him for permission to translate and publish …

Kaizer DRSSTC III update #7 – Show and tell

While we had the box open for removing the real-time current control, as you can see in the previous post, I did a walk through …

CM600DU-24FA IGBT – Removal of RTC over-current protection

The real-time current control (RTC) that can found in some IGBT modules is a protection against short circuits in f.ex. motor drives where they could …

Kaizer DRSSTC III update #6 – First full power test after removing RTC

After cutting out the bonding wires to the RTC circuit of the CM600DU-24FA IGBT bricks, which we thought could be one of the reasons that we …

Win a DRSSTC UD2.1 board for just a like/subscribe

I got two spare DRSSTC driver boards and you now have the chance to one of them home. It is a Steve Ward UD2.1 board …

Kaizer DRSSTC III update #5 – First full power light!

The first full power light sparks have been flown and the results was more than satisfying! See the videos and pictures in the full article!

New online calculator for IGBT gate drive

I added a new online calculator that will help you do the calculations for IGBT gate drive. It is useful for continues wave operation and …