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Triol introduces the AT27 – a high-efficient medium-voltage VFD

12/09/2014

The Triol AT27 is a high efficiency medium voltage variable frequency drive (VFD), specially designed to drive motors with high starting load torque (mills, cranes, conveyors, etc.) The drive allows controlling industrial technological processes, which can reduce energy consumption for up to 60% (i.e. water supply pumping units).
Its topology allows consuming of almost sinusoildal current; this reduces the harmonic distortion in the supply network and thus protecting other sensitive equipment. The harmonic distortion in the input current complies with IEEE Std 519-1992.

    The Triol AT27 series includes 6 kV and 10 kV drives with power range from 200 kW up to 6300 kW. Operation modes are manual; automatic with preset operation algorithm; automatic with regulation by using signals from discrete inputs; mode of external control with the help of ModBus-RTU and PROFIBUS protocols. Their variety provides easy and flexible adjustment to any controlled process.

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