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vfd speed Applications

  • VFD in wire and cable industry

    In the wire and cable industry, many processes begin with pay-off and end with take-up wire. In the part of pay-off wire, how to control the uneven tension is the urgent difficulty for many equipment design engineers and products control engineers. In the past electric design, the engineers used to adopt the A/D, D/A module of PLC, using PCB with tension control technique, and gain the pay-off speed by read the potential of potentiometer with tension swing bar. In this method to maintain a constant tension, it usually adopts the signal line from potentiometer with the tension swing bar and analog signal line from the D/A module which control the speed of the variable frequency drive (VFD). More from http://www.vfds.in/vfd-in-wire-cable-industry-353577.html

    By VFD Manufacturers based in pune, INDIA.

  • Pumps and Wells

    Operational efficiencies make good sense for business and for resource preservation. To extend the life of wells, gain more production from them, and to safeguard expensive pumps and motors from running dry, companies are retrofitting well pumps with VFDs (Variable Frequency Drives). But even with VFDs, wells are not being optimized to produce the maximum sustainable amount of water and are still running dry resulting in damaging hard stops on pump motors.

    Drive-Chat powered remote access systems optimize well and irrigation operations. With it, it’s estimated that irrigation well production can be significantly increased.

    Drive‑Chat powered systems can:

    • Equalize pump and motor speed to maintain safe drawdown levels
    • Monitor well health
    • Eliminate dry holes and the potential for well collapse
    • Avoid pump damage due to emergency stops
    • Extend useful service life of the well
    • Receive real-time alerts before major failures occur

    By DriveConnect based in Brandon, FLORIDA (USA).

  • Decanter centrifuge for mining & diamond drilling

    GNLW223 Series Mini Centrifuge is specially designed for small capacity, small footprint, and fine solids separation. It is designed to meet the drilling fluids recycling for mining drilling rigs especially for diamond drilling. The diamond drilling contract can choose to buy single centrifuge unit with electric drive fixed speed or VFD drive variable speed or even the Fully Hydraulic Drive. For the FHD drive Centrifuge, it can use the diesel engine to power the hydraulic pump to feed to the centrifuge without any electric. GN also has the completed tank system with Mini Shaker for option!

    By GN Decanter Centrifuge Ltd based in Hebei, CHINA.

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