ABB TRIO 20 kW Solar Inverter – Unboxing and Teardown

Teardown of a large solar inverter. The ABB TRIO 20 kW inverter is a three-phased inverter built around many TO-247 IGBT & Schottky diodes. Three-phase string inverter, 20000Wac, 2 MPPT, 4 DC inputs for each MPPT, RS485 communication interface, IP65 …

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Analog Panel Meter Shunt Calculation and Custom Scale Design

I needed a 50A current meter for the 1800W induction heater ( https://highvoltageforum.net/index.php?topic=530.0 ), but had none with the proper scaling. I do however have a large box of Kyoritsu KM-66 1 mA blank scale meters, so I decided to …

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Visiting The Expo: HI Tech & Industry Scandinavia 2019

A summation of video clips from the booths I visited at the HI Tech & Industry Scandinavia 2019. I visited HI Tech & Industry Scandinavia 2019 in Herning, Denmark and while doing so I recorded clips of the most interesting …

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Chinese 1800 Watt Induction Heater – Horizontal Oven Heat Insulation Test

Test with using regular mineral wool for house insulation, to insulate the work coil in order to achieve higher steel temperatures. Here is another try, unlike the induction heater vertical oven, just with the induction heater horizontal oven. To contain …

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Chinese 1800 Watt Induction Heater – Heat Insulation Test

Test with using regular mineral wool for house insulation, to insulated the work coil in order to achieve higher steel temperatures.

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