Salvaged IGBT Bricks From Power Electronics – Isolation, Day 18

Over the years I have collected a great deal of salvaged IGBT bricks from the different power electronics I have taken apart. It have primarily kept 50+ Ampere rated bricks, single or half-bridge modules and 3 phase modules without built-in protection. It mostly comes from UPS, motor drives, welders or x-ray generators.

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Industrial Components For Tesla Coils – Isolation, Day 16

I show a range of different industrial components that you can salvage from thrown out machines. Main breaker panels, x-ray and UPS systems. Look at privately owned scrap yards and metal recyclers in your area to get the same opportunities to find stuff like this. You have to be prepared to pay per kg for

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SCR / Thyristor In Power Electronics – Isolation, Day 14

A talk about SCRs and thyristor in different sizes, packages and from different points in time. A Silicon Controlled Rectifier (SCR) is a unidirectional semiconductor. It is the solid state equivalent of the thyratron (which I showed in this video. https://www.youtube.com/watch?v=odkbxWpQ0ck ) and hence it is also referred to as thyristor or thyroid transistor. In

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Power Diodes and Diodes In Power Electronics – Isolation, Day 13

A talk about diodes of various sizes, from different ages, development in technology and power levels. The only things missing would be selenium diodes as I forgot where I put them and I do unfortunately not own a mercury arc rectifier.

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70 kV / 65 kW X-Ray System, Transformer and Inverter – Isolation, Day 12

I give an overview of a 65kW X-ray generator system for a 70 kV X-ray transformer. The full-bridge of 400A 1200V IGBT bricks makes for a powerful inverter to drive the ferrite cored high voltage transformer.

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