Motorized Cable Reels, VFD Controlled
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Variable frequency controlled drives for motorized reels are applied wherever an energy supply system is required for horizontal or vertical movements of high speed systems. They work particularly well when:
- Reels are installed at a considerable height above the cable lay
- Cable tension on long winding lengths must be reduced.
The advantage of a frequency controlled drive is that it provides continuous torque and rotation speed regulation for speeds up to 300m/min and accelerations up to 0.6m/s² (depending on the equipment and configuration of the complete systems). They enable a reel to pass over a center feed at a speed of up to 150m/min without any problems. During the braking phase frequency controlled drive systems even allow power recovery, depending on the model of control system used.
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The high functionality of variable frequency controlled drives is determined by the correct combination of motor and drive unit, but mainly by the control system. Conductix-Wampfler provides the best solution for each application. We deliver the hardware components or software packages for the integration into the crane main control up to the complete switching cabinet, including parametrized converters and appropriate control software as well as complete commissioning on site. Hardware and software will be adjusted to the brands and types used for the main drives. Control systems of Conductix-Wampfler communicate via the established BUS-systems or in case of simple applications by relay contacts.
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