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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Tension control VFD inverters (or dedicated tension control drives) are specialized motor controllers that manage material tension during winding and unwinding applications (e.g., printing, textiles, paper, cable). They maintain constant tension by controlling the output torque and calculating the roll diameter automatically, eliminating the need for tension sensors or dancer arms in many applications. 
    Key Features and Benefits 
    • Torque Control Mode: VFDs control motor torque rather than speed, adjusting frequency automatically as the roll diameter changes.
    • Automatic Diameter Calculation: Using algorithms, these inverters determine the reel diameter by tracking accumulated rotations, avoiding the need for external proximity switches.
    • No Sensor Required: Many tension control VFDs operate effectively without external tension feedback sensors or position encoders.
    • High Precision: Specialized inverters like the Veichi AC90 offer high-precision torque linearity, fast response, and consistent output. 
    Common Applications 
    • Printing & Packaging: Printing machines, laminators, and die-cutting machines.
    • Material Processing: Converting equipment for paper, plastic film, and textiles.
    • Metalworking: Winding and unwinding metal sheets and strands.
    • Cable Manufacturing: Coiling and spooling machines. 
    Open-Loop vs. Closed-Loop Tension Control 
    • Open-Loop Tension Control: The VFD controls the output torque based on calculated material diameter without feedback, allowing for a simpler and more cost-effective system.
    • Closed-Loop Tension Control: A dancer arm or tension sensor provides a feedback signal, which is processed by the drive to maintain high stability in critical applications. 
    Leading Manufacturers
    Several companies provide inverters specifically designed for tension control applications: 
    • Veichi: AC90 and AC200T series with integrated tension control algorithms.
    • INVT: Goodrive35-07 series designed for printing, packaging, and textile machines.
    • HNC: VFDs suitable for automatic winding and unwinding processes.
    • Sineedrive: Offers solutions for compound machines, printing, and packaging. 
    Common VFD Models for Tension Control 
    • Veichi AC90: Offers high torque precision, fast response (<10-20ms), and is suitable for both light and heavy industrial applications.
    • INVT GD35-07: Specifically designed to replace traditional DC motors and tension controllers.
    • Veichi AC200T: A specialized converter that uses encoder feedback for accurate winding without needing external sensors. 
    Installation Considerations 
    • Parameter Settings: These drives require configuration to match the specific motor and, in some cases, the material being processed.
    • Environmental Protection: Many tension control VFDs feature conformal coating for moisture, dust, and mold protection.
    • Easy Maintenance: Detachable panels and fan designs are common to simplify cleaning and maintenance. 
    • HNC VFD & Servo For Tension Control - Converting
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    • INVT GD35-07 Series Tension Control Drive used in Printing Machine
      Introduction of Goodrive35-07 inverter Goodrive35-07 inverters special for tension control focus on the textile industry, printing...
      www.invt.com
    • Tension Control Drive Manufacturer | Supplier - Veichi
      VEICHI tension control dedicated inverter keeps the tension constant by controlling the output torque and automatically calculatin...
      www.veichi.com
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    Web results

    AC90 Tension Control VFD


    VEICHI Electric
    https://www.veichi.com › product › ac90-tension-contr...
    VEICHI Electric
    https://www.veichi.com › product › ac90-tension-contr...
    Veichi AC90 is a tension control VFD drive which adopts the latest open-loop tension control technology. It has high precision control in speed, torque and etc.

    Variable frequency drive Tension Control


    VFDs.org
    http://www.vfds.org › vfd-tension-control-675378
    VFDs.org
    http://www.vfds.org › vfd-tension-control-675378
    There are two ways in tension control, one way is to control the output torque of the motor, the other way is to control the motor speed. Variable frequency ...Read more

    Variable Speed Drives for Tension Control and Winder ...


    dynamatic.com
    https://dynamatic.com › Industries and Applications
    dynamatic.com
    https://dynamatic.com › Industries and Applications
    Oct 7, 2025 — Dynamatic Eddy Current variable speed drives provide an accurate means of solving tension control challenges.Read more
    Missing: Inverter ‎| Show results with: Inverter
    Videos
    Variable frequency drive Tension Control
    YouTube · MIZU TECH
    Mar 16, 2024
    YouTube · MIZU TECH
    2:12:29
    Control tension in wrapping paper and fabric applications using variable frequency drives and analog output signals.
    MIZU TECH
    YouTube·
    Mar 16, 2024

    Variable frequency drive Tension Control

    YouTube·MIZU TECH·Mar 16, 2024
    YouTube
    Tension Control Solutions
    YouTube · Delta Industrial Automation EMEA
    Dec 6, 2022
    YouTube · Delta Industrial Automation EMEA
    4:20
    Delta Industrial Automation EMEA
    YouTube·
    Dec 6, 2022

    Tension Control Solutions

    YouTube·Delta Industrial Automation EMEA·Dec 6, 2022
    YouTube
    VFD for tension control
    YouTube · Sine Electric
    Mar 19, 2024
    YouTube · Sine Electric
    0:38
    Sine Electric
    YouTube·
    Mar 19, 2024

    VFD for tension control

    YouTube·Sine Electric·Mar 19, 2024
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    People also ask
    Can a VFD control torque?
    Variable Frequency Drives (VFDs) play a key role in motor control, offering two main modes of operation: speed control and torque control. While both methods adjust motor performance, they serve different purposes and are used in distinct applications.

    Differences Between Torque Control and Speed Control in Variable ...


    GTAKE
    https://www.gtake.com › industry-news › differences-bet...
    GTAKE
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    Can a VFD be used as an inverter?
    In the world of industrial automation, variable frequency drive (VFD) inverters have become essential components that enhance operational efficiency and performance. These devices control the speed and torque of electric motors by adjusting the frequency and voltage supplied to the motor.Sep 29, 2025

    Gaining Familiarity with VFD Inverters and How They Work - FRECON


    FRECON
    https://frecon-inverter.com › en-exhibition
    FRECON
    https://frecon-inverter.com › en-exhibition
    How do you reduce VFD noise?
    Route the motor cables away from the device or signal wires in separate conduit. Use shielded motor cables and terminate the shield at both ends (the motor ground and the drive ground). Use shielded signal wires and terminate the shield at only one end. Install a common mode choke on the output of the drive.Feb 14, 2020

    Variable Frequency Drive (VFD) Noise Reducing Installation Techniques


    Rockwell Automation Support
    https://support.rockwellautomation.com › answers › a_id
    Rockwell Automation Support
    https://support.rockwellautomation.com › answers › a_id
    What's the difference between a VFD and an inverter?
    The term motor inverter often refers to the DC-to-AC conversion stage that powers a motor. At the same time, a VFD is the full control system—including rectifier, DC bus, inverter stage, and control logic—for adjusting motor speed, torque, and protection.Aug 4, 2025

    Motor Inverter vs VFD: What's the Real Difference? | Mingch


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    https://www.mingchele.com › blog › motor-inverter-vs-v...
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    Web results

    EM610 Special Inverter for Tension Control


    Shenzhen Sine Electric
    http://www.sineedrive.com › dedicated-vfd › Tension-C...
    Shenzhen Sine Electric
    http://www.sineedrive.com › dedicated-vfd › Tension-C...
    > Starting from 11kW, a built-in DC reactor reduces input current distortion, improves power factor, and enhances product reliability;. > Support four optional ...Read more

    HNC VFD & Servo For Tension Control - Converting


    HNC Electric Ltd.
    https://www.hncelectric.com › en_solution_show
    HNC Electric Ltd.
    https://www.hncelectric.com › en_solution_show
    In order to make sure the tension stable the machine needs closed-loop control · Up to 2000m/min line speed · Indirect tension control with torque limiting.Read more

    VFD Torque Control Basics


    Automation Direct
    https://library.automationdirect.com › vfd-torque-control...
    Automation Direct
    https://library.automationdirect.com › vfd-torque-control...
    May 23, 2023 — Modern VFDs can now perform torque control for winding/unwinding and other applications, expanding options for equipment designers.
    Missing: Inverter ‎| Show results with: Inverter

    Constant Web Tension using VFD and PLC


    PLCtalk.net
    https://www.plctalk.net › forums › threads › constant-w...
    PLCtalk.net
    https://www.plctalk.net › forums › threads › constant-w...
    Oct 15, 2013 — I am working on maintaining constant web tension in the support liner for my material that is fed into my machine.
    Missing: Inverter ‎| Show results with: Inverter

    Tension Control Inverter AC Drive


    Shenzhen V&T Technologies Co.,Ltd.
    https://www.vectorque.com › tension-control-inverter_c...
    Shenzhen V&T Technologies Co.,Ltd.
    https://www.vectorque.com › tension-control-inverter_c...
    A special inverter with high-performance vector control on Tension Control. It devotes to controlling speed with roll diameter calculation and tension matched ...Read more

    Closed Loop Control with Variable Frequency Drives


    Invertek Drives
    https://www.invertekdrives.com › support › iknow › clos...
    Invertek Drives
    https://www.invertekdrives.com › support › iknow › clos...
    Closed loop control is used to maintain constant temperature, pressure etc., and how most drives have this feature built into the drive, so few external ...Read more
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