Screw compressors of the DVK VS series
The compressors of the DVK VS series are equipped with a frequency drive system (VS). The frequency drive system makes it possible to control the speed of rotation of the rotor of the electric motor, which is necessary when it is necessary to regulate the amount of electricity consumed. This allows you to significantly reduce the consumption of electrical energy and achieve high performance in energy saving tasks.
DESCRIPTION
Screw compressors of the DVK VS series are direct-drive compressors in which the motor and the screw pair are connected directly through an elastic coupling, the rotational energy of the motor is transferred directly to the screw pair, which minimizes energy losses due to the absence of the "slip effect" of the drive belts and losses, which are present during the transmission of torque through the bearing units. In turn, the implemented system with a frequency drive VS - allows you to reduce the speed of rotation of the shaft of the compressor unit when the unit is not operating at full capacity.The frequency drive system in DVK compressors adjusts automatically according to the flow required by the plant. Another advantage of using VFD is its ability to increase the life of the equipment, as it provides a smooth start and stop of the motor, which significantly reduces maintenance costs. For compressors with frequency drive, special motors are used - with electrically insulated rotor bearings, and the possibility of their operation above the standard frequency of 50 Hz, energy saving standard IE3 / IE4, additionally saving 7% of electricity.
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