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ABB DCS400 – 900A / 522kW DC Motor Drive Teardown

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Teardown of a ABB DCS401.0900 DC motor drive. It can output an insane 900A at variable voltages, for a maximum output power of 522 kW! A very modular design by ABB, that makes almost no difference on the 2- or 4-quadrant versions of this drive. You love motor drives, inverters, variable frequency drives and all […]

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ABB TRIO 20 kW Solar Inverter – Unboxing and Teardown

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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 (NEMA4x) environmental protection degree, integrated DC and AC disconnect switch, DC and AC surge arrester

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