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 voltage ramp is coming straight from half wave rectified mains supply and a mains synced interrupter is used to trigger at the right interval. Read it all, see all the […]
Kaizer DRSSTC IV – A High Impedance Primary Circuit Experiment Read More »
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 new forum, on a dedicated domain. We are a group of seasoned high voltage and electronics enthusiasts that have created a new high voltage forum and community. A modern forum
A new dedicated high voltage forum! Read More »
Teardown of HP SureStore DLT 818 tape backup station that has room for 6 cartridge’s and can auto load. If you like teardown videos, check out the complete list of teardowns I have done. HP SureStore DLT 818 Description The HP SureStore E DLT Autoloader 818 is a cost-effective high-performance tape storage solution. This system
Teardown video of HP SureStore DLT 818 tape backup station Read More »
From one day to another this mini circuit breaker stopped working, I had been using it wrongly as a on/off switch and was wondering if there was a mechanism inside to disable it after too many on/off switches, as MCBs are only rated for a finite number of operations.
Mysterious failure of a Siemens mini circuit breaker C6A (5SY41) Read More »
Here is a video from taking apart 3 UPS units from Eaton PowerWare, these are 30 kVA units that was previously described in pictures and text in one of my earlier teardown articles: https://kaizerpowerelectronics.dk/electronics/teardown-eaton-powerware-30-kva-ups/
Teardown video of Eaton PowerWare 30 kVA UPS Read More »
This Teleste AC2000 is a cable TV amplifier that is configurable through different insert jumpers for setting up attenuation/equalization, diplex filters, return amplifier or a transponder making it remote controllable. This is a dual 39 dB amplifier in the range from 5 to 862 MHz which enables it of delivering 110 channels. This particular amplifier
Teleste AC2000, teardown of a 862 MHz cable TV amplifier Read More »
This is a Kone Elevator control and power electronics panel dated around 1999-2000 according to stickers and test marks. It does not appear to have had a user interface, unless that was connected to the RS232 port. The front reveals a control board with a -12 VDC, GND and +12 VDC power supply at the
Kone elevator control/power electronics panel teardown Read More »
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 some of his content to keep it online and public for others to use. So here is the translated article about his small and simple analog circuit that can be
SSTC and DRSSTC Musical Modulator Read More »