PR and Marketing

Daria Getsman

Daria Getsman

Head of External Relations


Even your engine needs Defender!


A method of control by which the fixed line voltage and frequency are changed to a three-phase system with infinitely variable voltage and frequency is known as Variable Frequency Drive.
Automated controls reduce wasted electrical usage, are easier on equipment components and let you set the precise operating speed for your equipment.

There are three versions of Triol AT27 medium frequency drives (inverter):
• Block-box type – the most advanced technological solution. Easy to install, no additional construction parts either documentation;
• Cabinet type – leader of ergonomics. Easily fits into the most difficult conditions of the Customer site;
• Mine line – a reliable solution with a water-cooled, enclosed in an explosion-proof housing for the motor control of coal feeding conveyors …

Each version is designed to achieve maximum operational efficiency. No matter how many machines you want fitted with a variable frequency drive, Triol Corporation has the equipment services to complete every job the right way. Thus, in the case of using the drive with the old engine, Triol AT27 is equipped with a sine filter, which reduces the heating of the motor windings, caused by the presence of harmonic currents.

The design is similar to the construction of such filters dU / dt filter, with the only difference – in these inductors and capacitors are set higher ratings.

Additional benefits of using a sine filter:
• output voltage follows the shape of the input sine wave;
• elimination of the pulse reflections in the motor cable;
• longer motor cables when the engine is installed away from the frequency converter;
• reduced acoustic noise from the motor, and bearing currents in the motors.

Triol AT27 is a product that extends the manufacturer even claimed the life of the motor. Triol Corporation means quality and reliability in electronic motor controls for the industry since 1993 – Manufacturing the highest reliability Variable Speed Drives, Soft-Start controls, and Control Panels to complement your industrial and material handling equipment.

Triol Corporation – reliability with no hesitation!

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