High Voltage

Schematics, instructions and pictures on how to build high voltage power supplies or projects like flyback transformer drivers.

Bohr, Nuclear Science and the 4MV Van De Graaff Generator

This video and article is about the 4 MV (that is 4.000.000 Volt !) Van De Graaff generator (VDG) that was installed at the Copenhagen University Department of Theoretical Physics (UITF). UITF was later in 1969 renamed to Niels Bohr Institute, after its founder, Nobel Laurate and famous Danish scientist. The 4 MV VDG was […]

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750 mm Plasma Tubes and Vacuum Tube Tesla Coil

I bought two 750 mm long and 70 mm diameter plasma tubes from Barracuda Glass by Chris Burak. These lovely borosilicate glass tubes are filled with a mix of iodine, argon and krypton, for a bright blue glow. The Tesla coil used, is one of my first Tesla coils ever built. The Kaizer VTTC 1.

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Brandenburg Alpha Series II 5 kV Power Supply

The Brandenburg Alpha Series II 5 kV Power Supply is from Great Britain and made in 1977. The model 2507r is specified for 500 to 5000 VDC at 5 mA, around 100 VA power rating. I bought this Brandenburg Alpha Series II 5kV high voltage power supply from a University in France, cleaning out. I

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Showa SP-103 Standalone X-ray Head Teardown

Teardown of a standalone x-ray head from Showa (Made in Japan). Capable of outputting 100 kV at 35 mA for up to 10 second exposure times. It comes as a complete unit with collimator, only to be supplied with 230 VAC and operated with external trigger. If you like to see more teardown articles, pictures

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pmt

Fujifilm FCR XG-1 X-ray Scanner, Photomultiplier Tube Reverse-engineering (Part 3 of 3)

Reverse engineering of the Fujifilm PMT12A PMT module that contains the photomultiplier tube, high voltage power supply and analog amplifier from a Fujifilm FCR XG-1 x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job of scanning a x-ray exposed image plate with a laser beam and extract each pixel

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PMT particle detection

AGFA ADC 5155 Photo Multiplier Tube (Part 4 of 4)

Teardown of the photomultiplier tube assembly (PMT) and its high voltage power supply. The high voltage power supply and PMT is reverse-engineered. The PMT will be used as a cosmic ray detector with a scintillation plastic crystal in front of the PMT. Part 1 is the Teardown of a AGFA ADC 5155 x-ray image scanner

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10,000 subscribers on Youtube and Capacitor Discharge Explosions

10,000 subscribers on Youtube and Capacitor Discharge Explosions

In a celebration of reaching 10,000 subscribers on Youtube, I blew up some pieces of wire with my 2500uF / 2kV Maxwell energy discharge capacitor storing 4kJ of energy. I also started a new dedicated slow motion video channel, please subscribe if you like to see more non-electronics videos recorded at high speeds: https://www.youtube.com/channel/UCB2qu77PCr5i9zcs0sOhp4w/

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Fuses In Power Electronics and Other Fuses – Isolation, Day 24

This video shows the different fuses, breakers, MCB, RCD, melting fuses and automatic fuses that I have. I started spring cleaning my work shop and I have come across so many components in various bins, boxes and drawers that I finally had some time to get it sorted and put together in groups. High Voltage

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