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  • V&T helps first thousand-ton battery electric cargo-ship in the Yangtze River successfully trial sail
    • May 22. 2021

    Recently, the first 1000-ton battery electric cargo ship "Zhongtian Dianyun 001" in the Yangtze River Basin was successfully tested in Changzhou, Jiangsu, which marked the official era of clean energy in the Yangtze River freight ships, thereby reducing the emission of pollutants at the source. The battery electrification of ships faces the challenges of complex environments, and has many strict r...

  • More than 1000 PCS NEW Electric Truck equipped V&T EV motor controller
    • June 04. 2021

    V&T’s 1000pcs electric vehicle motor controller, help save energy and reduce emissions, let “Blue Shenzhen” put into practice. After fully electrification for both bus and taxi in Shenzhen, the electrification’s target point to dump truck. Recently, 1000 battery electric environmental protect dump trucks equipped with V&T’s electric vehicle motor controller one after another for using. It ...

  • About Variable Frequency Drive (VFD)
    • June 21. 2021

    A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Other names for a VFD are variable speed drive, adjustable speed drive, adjustable frequency drive, AC drive, microdrive, and inverter. Frequency (or hertz) is directly related to the motor’s speed (RPMs). In other words, the faster the f...

  • Can I put a VFD on any motor?
    • August 30. 2021

    When a variable frequency drive (VFD) is added to an existing system, many potential problems may arise. Reduced cooling at reduced speed Most motors running across the line depend on an internal, shaft-driven fan for cooling. When the motor is operated with a VFD, the motor shaft speed (motor speed) decreases and will cause decreased cooling from the shaft-driven fan. If the load is a standard va...

  • V&T Solar photovoltaic pump controller AC Drive
    • September 10. 2021

    New energy application, energy saving inverter and consumption; User function design, process optimization, improve equipment efficiency; Applied to farmland irrigation, desert mountain desert treatment, water treatment drive, seawater desalination, etc                                        Gu...

  • V&T Special AC Inverter For Oilfield Pumping Unit
    • October 25. 2021

    Feature: With strong environment adaptability, reliability and stability, it can adapt oilfield environment all over the wrold. The special inverter for pumping unit enjoys more energy-saving ratio than the general series. Without any energy feedback or brake units, it can save more energy, and improve the grid quality. AC Inverter For Pumping Unit in Shengli Oildield Main Motor Control Of Kowtow ...

  • Advanced Motor Drives Control Modes
    • November 22. 2021

    Today’s VFD are available in compact form factors and can reliably operate motors of all sizes, across a span that may range from nearly 0Hz all the way up to 400Hz. This is quite a range compared to the nominal 60Hz fixed speed. Not only that, but precise speed control of 0.01Hz resolution with an accuracy of 1% of maximum output frequency is possible. Similarly, torque control can apply up to 20...

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