Thyristor

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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SCR / Thyristor In Power Electronics – Isolation, Day 14

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A talk about SCRs and thyristor in different sizes, packages and from different points in time. A Silicon Controlled Rectifier (SCR) is a unidirectional semiconductor. It is the solid state equivalent of the thyratron (which I showed in this video. https://www.youtube.com/watch?v=odkbxWpQ0ck ) and hence it is also referred to as thyristor or thyroid transistor. In

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