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 kept.

Posted in Teardown | Tagged , , , , | Leave a comment

IBM ThinkPad A20p, from 2000. Vintage Computer Teardown.

Standard Features

  • Intel Mobile Pentium III 700 or 750 MHz CPU
  • ATI Rage Mobility 128 with 16MB
  • 15.0″ TFT display with 1400×1050 resolution
  • 128MB PC-100 memory standard (512MB max)
  • 18 or 20GB HDD
Posted in Teardown | Tagged , , , , , | Leave a comment

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 to have a value.

Datasheet on the unit: https://www.danfoss.com/en/products/ac-drives/dds/vlt-and-vacon-legacy-drives/vlt-6000/#tab-overview

Posted in Teardown | Tagged , , , | Leave a comment

Floppiclene! A Electronics Cleaning Relic of the Past.

I found a old 3.5″ floppy drive cleaning kit and tried it out on a defective computer/floppy drive/floppy that I had. It would constantly ruin “new” disks and leave them with few kb of useful space.

It also failed horribly!

Posted in Electronics | Tagged | Leave a comment

Siemens Polyphos 30, X-RAY Inverter and Control Panel Teardown (Part 3 of 3)

Teardown of the Siemens Polyphos 30 X-ray systems control panel including computer, safety functions, HMI and high voltage inverter circuit.

Posted in Teardown | Tagged , , , | Leave a comment

Siemens Polyphos 30, X-RAY Collimator and Image Plate Teardown (Part 2 of 3)

Teardown of the Siemens Polyphos 30 collimator and image plate. Collimator had an interesting moving blinds design with a lot of gears, pulleys and strings. Image plate has a lead grid and some kind of sensor.

Posted in Teardown | Tagged , , | Leave a comment

Siemens Polyphos 30, X-RAY 125kV head teardown (part 1 of 3)

Teardown of the Siemens Polyphos 30 X-ray head which contains step-up transformers, voltage multipliers and a rotating plate x-ray tube and a lot of oil!

Discussion of teardown and additional pictures: https://highvoltageforum.net/index.php?topic=523.0

Posted in Teardown | Tagged , , , , | Leave a comment

750W Victron Solar Project – Power wall and 8 days performance – Part 3

In part 3 I test the setup with all 3 panels connected and look at the performance over the last 8 days.

It all consists of:

3x 250W solar panels

1x Victron SmartSolar 100|30 MPPT battery charger

2x Norbatt 12V 150Ah batteries

1x 750W 24VDC to 230VAC inverter

Posted in Electronics | Tagged , , , | Leave a comment

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 kept.

Datasheet on the unit: https://www.esab.dk/dk/da/products/arc-welding-equipment/tig-equipment-cc/industrial-equipment/caddy-tig-1500i-2200i-ta34.cfm

Posted in Teardown | Tagged , , , , | Leave a comment

750W Victron Solar Project – All 3 panels test – Part 2

In part 2 I test the setup with all 3 panels connected, it all consists of:

3x 250W solar panels

1x Victron SmartSolar 100|30 MPPT battery charger

2x Norbatt 12V 150Ah batteries

1x 750W 24VDC to 230VAC inverter

Posted in Electronics | Tagged , , , | Leave a comment