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Application of frequency converter in cranes

Application Case
September 15, 2025
Category Connection: Low Voltage VFD
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Tags:
#vfd inverter #vfd single phase #single phase vfd drive
Brief: Discover the ZFENG Low frequency high torque dynamic anti sway lifting equipment dedicated frequency converter, designed for cranes and overhead lifting systems. This advanced device ensures soft start, precise speed control, overload protection, and energy-saving operations, covering power ranges from 7.5KW to 800KW. Ideal for bridge, gantry, and tower cranes.
Related Product Features:
  • Soft start and smooth speed regulation for reduced impact current and extended equipment life.
  • Overload startup and protection with high starting torque (150%-200% rated torque).
  • Four quadrant operation and energy feedback for reduced energy consumption (20%-60% savings).
  • Vector control and closed-loop speed regulation for high-precision speed and torque control.
  • Heavy load starting capability with 150%-200% rated torque output.
  • Low speed and high torque control for precise positioning and cargo safety.
  • Anti sway control and synchronous coordination to reduce swing amplitude by 70%-90%.
  • Industrial bus support for seamless integration with PLCs, HMIs, and sensors.
Faqs:
  • What is the power range of the ZFENG frequency converter?
    The ZFENG frequency converter covers a power range from 7.5KW to 800KW, suitable for various lifting equipment.
  • How does the frequency converter achieve energy savings?
    It uses four quadrant operation and energy feedback to recycle braking energy, achieving energy savings of 20%-60%.
  • What control methods does the frequency converter support?
    It supports open loop vector for general lifting and closed loop vector for high-precision positioning, with options for encoder feedback.
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