A first for NVERTER market
The new Hitachi SJ700 variable speed drive represents a dramatic step change in the state of the art for inverter technology, and is said to be the first off-the-shelf unit with integral easy sequence programmable functionality (EzSQ) as standard. It also incorporates a brand new patented power switching technology to reduce dVdT, with the IGBT (insulated gate bipolar transistor) stack at the heart of the drive, which is associated to motor insulation breakdown by the increased terminal voltage of motors when used with AC Inverters.
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