Author Archives: Mads Barnkob

About Mads Barnkob

Electrician, programmer, experimenter and amateur scientist with experience in industry automation, programming and all kinds of high voltage generating electronics. Administrator of www.kaizerpowerelectronics.dk and the high voltage community forum www.highvoltageforum.net

2000 Watt laptop charger for induction heating

I built my first experimental cheap power supply for the 1800 Watt induction heater and it was a great success! 12 laptop chargers put together for 40V 51A. See the induction heater here: http://kaizerpowerelectronics.dk/induction-heating/unboxing-a-chinese-1800-watt-induction-heater/

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Unboxing a Chinese 1800 Watt Induction heater

I finally got around to get the IH out of the box and repair it, here is part 1 of a series of videos on this IH. This is a 1800 Watt Induction heater that I bought from ebay at … Continue reading

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3x MIDI videos from DRSSTC1 demonstration

All MIDI files played can be found in this thread: https://highvoltageforum.net/index.php?topic=118.0 DRSSTC1 information: http://kaizerpowerelectronics.dk/tesla-coils/kaizer-drsstc-i/ which I will soon update with the rebuilded bridge Popcorn Star Wars – Imperial Death March Dave Brubeck – Take Five

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My Tesla coil DRSSTC1 exploded 12 days before a show, panic!

Can you guess the song that was played? Silent death during a MIDI playback, once power is turned back on, the bridge short circuits and burns outs. I quickly changed it to a SKM200GB123 inverter bridge that I had around, … Continue reading

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DRSSTC design guide updated with MMC design guide

It only took me a mere 4 years from I first started this article about the MMC until it is now done for public released 🙂 Not that it took me 4 full years to write on it, but it has … Continue reading

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Video gear & workflow: Canon 5D mk3, Rødelink, FPS1000HD and more

A walk-through and demonstration of all my video and audio equipment that I use for youtube videos.

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AC vs DC fuses, high current, explosive destructive testing and theory

Littlefuse 300A 32VDC fuse destructive test Protistor 200A 690VAC fuse (naked) destructive test: Protistor 200A 690VAC fuse (housed) destructive test: High Voltage Fuse Teardown video: https://www.youtube.com/watch?v=XoW5iqfq4tA Semiconductor Fuse Applications Guide: https://ep-us.mersen.com/fileadmin/catalog/Literature/Brochures/BR-Semiconductor-Fuse-Applications-Guide-Brochure.pdf

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Huawei RRU3928 1800MHz radio base station circuit analysis (part 2 of 2)

The RRU3928 is an outdoor remote radio unit. It processes baseband and RF signal data. With the Software Defined Radio (SDR)technology, the RRU3928 supports the dual-mode operation of any two modes of GSM, UMTS, and LTE through software configuration modification. … Continue reading

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Merry Christmas & Happy New Year 2018 (X-ray teardown edition)

Pictures as promised: https://highvoltageforum.net/index.php?topic=523.0 Teaser for the upcoming teardown videos of the Siemens Polyphos 30 x-ray machine, complete with control panel, inverter, collimator, detector/grid plate and x-ray head. Never miss a post, subscribe to email notifications on kaizerpowerelectronics.dk, find it … Continue reading

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Huawei RRU3928 1800MHz radio base station teardown (part 1 of 2)

The RRU3928 is an outdoor remote radio unit. It processes baseband and RF signal data. With the Software Defined Radio (SDR)technology, the RRU3928 supports the dual-mode operation of any two modes of GSM, UMTS, and LTE through software configuration modification. … Continue reading

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