Teardown of a 5 kVA / 4 kW Eaton EX5RT UPS System

Teardown of a Eaton EX RT 5 kVA UPS model. The topology is a on-line double conversion with PFC (Power Factor Correction) system for a …

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 …

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 fullbridge of 400A 1200V IGBT bricks makes for …

8x 800A + 8x 600A IGBT Bricks – Isolation, Day 3

Some years back I bought some real cheap 600A and 800A IGBT bricks. These will be used in a very large DRSSTC along with the …

ABB TRIO 20 kW Solar Inverter – Unboxing and Teardown

Three-phase string inverter, 20000Wac, 2 MPPT, 4 DC inputs for each MPPT, RS485 communication interface, IP65 (NEMA4x) environmental protection degree, integrated DC and AC disconnect …

ESAB Power TIG 200 Welder Teardown

A teardown of a ESAB Power TIG LTR200 welder, a run down of the current paths in the system and I show which parts I …

Teardown of Danfoss VLT6000 4kW Variable Frequency Drive

A teardown of a Danfoss VLT6000 4kW VFD, a run down of the current paths in the system and I show which parts I find …

TIG welder teardown. ESAB TIG Caddy 1500i.

A teardown of a ESAB Caddy 1500i TIG welder, a run down of the current paths in the system and I show which parts I …

Teardown of a GE LP-33 10kVA UPS system

Discussion of the teardown: https://highvoltageforum.net/index.php?topic=594.0 A teardown of a General Electric LP-33 10 kVA UPS, a run down of the current paths in the system …

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 …