Teardown of a ABB 5.5 kW ACH550 HVAC Variable Frequency Drive. HVAC is short for Heating, Ventilation and Air Conditioning. In this application I will say its purely marketing, as HVAC industry is mostly based on cheap prices and drives are marketed specifically with low prices to this and maybe focus on high efficiency at […]
Teardown of a 5.5 kW ABB ACH550 HVAC Variable Frequency Drive Read More »
Teardown of a 3.7 kW peak solar inverter, the Delta Solivia 3.0. It is based on TO-247 MOSFETs for voltage regulator and isolation. The output inverter design uses IGBTs. A secret place for MOSFET and IGBT lovers. If you are looking for other solar inverter types, check out the long list of teardown videos. Firstly
3 kVA Delta Solar Inverter Teardown, the Solivia 3.0 TR Read More »
Teardown of a 22+ kW peak solar inverter, from a company that at some time was called Ever Solar. Now it seems to have been Eversol or Zeversolar. A Chinese OEM product that has been sold under various names and brands. If you are looking for other solar inverter types, check out the long list
22 kW Solar Inverter Teardown, the Ever Solar TLC 17 Read More »
I tested all my Tesla coil test gear before the Roskilde Festival 2022 job. Setting all up, running MIDI, burst and normal operation. Testing all from grounding scheme, to show controller, to recording equipment. Tesla coil test being used: https://kaizerpowerelectronics.dk/tesla-coils/kaizer-drsstc-i/Show controller for 6 Tesla coils: https://kaizerpowerelectronics.dk/tesla-coils/6-channel-drsstc-show-controller/Safety box and mains supply: https://kaizerpowerelectronics.dk/tesla-coils/tesla-coil-soft-start-safety-box/ Do you want to
Tesla Coil Test Kaizer DRSSTC1 Playing MIDI, Burst and Normal Operation Read More »
The Danaher DMC2 30151P servo drive is rated for 3.5 A at 3 phased 240 VAC, 0 – 400 Hz. The DMC2 series drives seems to have been sold as OEM products with different names like Kollmorgen, InMotion or Thomson Industries. These drives are available on surplus market for medical devices in radiology, so presumably
Danaher DMC2 30151P Servo Drive Teardown Read More »
A guide on how to calculate gate drive transformer, how to wind gate drive transformers and test gate drive transformers. Gate drive transformers are also called GDT for short. The most important aspects is insuring low leakage inductance, no core saturation and having enough peak drive current available for your MOSFETs or IGBTs. This video
IGBT Gate Drive Transformer (GDT) Design, Construction and Test Read More »
A teardown of a 3kVA rated 19″ 2U form factor UPS for server racks, the APC Smart-UPS X SMX3000, a run down of the controller and power electronics of the system. You can find pictures and circuit description below the video. If you want to see more teardown videos of UPS systems, you have come
Teardown of a 3kVA APC Smart-UPS X SMX3000 Read More »
A teardown of a huge (2 full size 19″ racks) UPS system, the APC SmartUPS VT 40 kVA, a run down of the controller and power electronics of the system. If you like real big UPS systems, you are in luck! I have also done teardowns of the following systems. Teardown of a Eaton PowerWare
Teardown of a APC SmartUPS VT 40 kVA Read More »