Multifunctional solution for industrial market: Advanced Variable Frequency Drive Triol AT27
Developing new products, Triol experts are always focused on creating a multifunctional and adaptive solution to cover the entire range of Customers’ needs: safety, high efficiency, low costs and lifetime of equipment. Medium-voltage variable frequency drive Triol AT27 is a perfect example of reliable equipment for induction and PM motors control in oil production, mining, metallurgy, housing and public utilities.
Triol AT27 VFD confidently conquers power electronics market. Since 2012, we offer a turnkey product with a total capacity range of 500 MW for key industrial companies. Time flies and Triol improves its products according to the newest trends and you’re welcome to meet updated and even more efficient Triol AT27 VFD.
Forcing the exciter
At low motor speeds and rated torque on the shaft, it can be pulled into synchronism. Two exciter control ranges make it possible to individually set each mechanism separately. This modification allowing work with any type of exciter, which operates from the drive with the specification of the excitation current at a signal of 4 – 20 mA. In this case, it looks like this: operation → generator mode → motor mode → stop.
Optimal braking from VFD side
Automatic detection and control of load braking modes allow this process to be made even smoother. Changing the settings when adjusting the braking tempo is a guaranteed VFD performance and smooth stopping of the actuator.
Transducer operation at voltage dips
The algorithms implemented in the medium-voltage frequency drive Triol AT27 allow to fully maintain dips up to 15%. But with 30% dip, the power decreases proportionally. With a short-term 45% dips the drive and the motor remains operational with the minimum parameters.
Triol AT27 VFD implementation allows increasing electrical equipment capacity, optimizing technological processes, and also reducing the costs of maintenance and the energy consumption twice!
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