Happy New Year 2018 slow motion special!
by Happy new year to all the readers, followers, subscribers, liker’s and users that has to do with reading, commenting and writing on www.kaizerpowerelectronics.dk or www.highvoltageforum.net …
Year: 2017
Teardown of a medium voltage fuse (7200 V / 200 A)
I got my hands of a old NEBB (Norsk Elektriske Brown Boveri) medium voltage fuse, rated for 7200 V, 200 A and 350 MVA. My …
Taking a look at the Toshiba Toughbook CF-18 vintage computer
Here is a laptop, used for field engineering work back from 2006 where it was released. I am doing a quick overview and demonstration of …
5kJ capacitor bank fired at 12kVDC / 3.5kJ charge
Third experiment with the bank of 35 electrolytic capacitors connected in series. Results are better than theoretical estimate, which was 6000 A limited by ESR, …
Teardown of a IBM Blade server HS22V
Here I am doing a teardown on a IBM HS22V blade server dated back to 2010. The IBM BladeCenter HS22V blade server supports up to …
Ericsson Radio Base Station RBS3206 teardown
The RBS3206 macro is an indoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power …
5kJ capacitor bank fired at 2kJ charge
Second charge experiment with the bank of 35 electrolytic capacitors connected in series. The bank did however not get charged to more than 50% of …
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 …
Hacking the IKEA 2000 Watt induction stove, measurements (part 2)
Youtube video part 2 of 5 The second part of the series of maybe 5 chapters on tearing down and hacking a IKEA 2000 Watt …
Hacking the IKEA 2000 Watt induction stove, teardown (part 1)
The first part of a series of maybe 5 chapters on tearing down and hacking a IKEA 2000 Watt induction stove is now online. Click …
New online calculator: Snubber capacitor calculator
Calculate the needed snubber capacitance in order to protect your inverters IGBT/MOSFETs from too high swithcing transients, depending on your busbar layout and stray inductance. …
Ericsson Radio Base Station RBS6000 teardown
The RBS 6201 two radio shelves can be equipped with virtually any combination of GSM, WCDMA and LTE, which are available for all common frequencies. A single …
Ericsson Radio Base Station RBS3202 teardown
The RBS 3202 macro is an indoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output …
5kJ capacitor bank, 1.5kJ BANG test at end!
For now all details during development and testing can be found on the forum thread: https://highvoltageforum.net/index.php?topic=25.0 35 capacitors in series, each 450VDC/1000uF, for a 48 …
To all electronic enthusiasts!
I kindly ask you all, that you carefully consider and think about all the websites you have used to learn about electronics, all the forums …
Nokia Siemens Networks Flexi WCDMA teardown: integrated Doherty amplifier (part 5)
Nokia Siemens Networks Flexi Multiradio BTS is a GSM/EDGE, WCDMA/(I-)HSPA, and LTE base station for use in mobile telecommunication antenna networks. A network that you …