Teardown

AVAB PDD III 14kW Light Dimmer Teardown

The AVAB PDD III light dimmer system is built for 96 channels of 10A capacity per channel. A full stocked rack would be able of pulling a total of 960A at 230VAC, pulling over 200kW, just for lights in a theater! This system dates back to 1997, and even earlier with its version 2 and […]

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2 kVA Solar Inverter Teardown, the Mastervolt XS2000

Teardown of a 2.1 kW peak solar inverter, the Sunmaster / Mastervolt XS2000. It is based on TO-247 MOSFETs for voltage regulator and isolation. From the datasheet, it is actually only able to deliver 1500 Watt to the mains connection. Do you know about this secret place for MOSFET and IGBT lovers? Maybe you are

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3 kVA Delta Solar Inverter Teardown, the Solivia 3.0 TR

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

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22 kW Solar Inverter Teardown, the Ever Solar TLC 17

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

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Danaher DMC2 30151P Servo Drive Teardown

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

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Scientific Atlanta (Cisco) 1 GHz Combiner and PSU Teardown

Teardown of Cisco / Atlanta Scientific Cable TV combining amplifier. These small amplifiers are used in receiver stations with combining amplifiers to send out the different channels on a single cable. In houses a splitter is used to receive this signal and distribute to more households. Historically CATV is short for Community Antenna TV. A

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APC Back-UPS Pro 1500 VA Teardown

A teardown of a desktop “PRO” UPS, the APC Back-UPS PRO 1500, a run down of the controller and power electronics of the system. I also compare it to the APC Smart-UPS 1500 VA, that I did a teardown of, some months ago. APC Smart-UPS 1500 vs. APC Back-UPS PRO 1500 A comparison is not

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Teardown of a 3kVA APC Smart-UPS X SMX3000

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

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