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Electric Motor Variable Frequency Drive IP20 V/F OLVC CLVC Control Anti Loosening Rope Protection

Variable Frequency Drive for Crane
November 26, 2025
Category Connection: Variable Frequency Drive for Crane
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#Crane Variable Frequency Drive #Variable Frequency Drive for Crane #25 hp variable frequency drive
Brief: Stay tuned as we highlight the most important features and real-use results. In this video, you'll see a detailed demonstration of the Electric Motor Variable Frequency Drive with IP20 rating. We'll walk you through its V/F, OLVC, and CLVC control modes, showcase the anti-loosening rope protection system in action, and explain how its comprehensive safety features ensure reliable crane operation.
Related Product Features:
  • Precise speed control with 0.01Hz digital and analog frequency resolution for safe crane operation.
  • Wide output frequency range from 0Hz to 600Hz for efficient speed and torque regulation.
  • Multiple control modes including V/F, Open Loop Vector Control, and Closed Loop Vector Control.
  • Comprehensive protection against short circuit, overcurrent, overload, and voltage fluctuations.
  • Anti-shake function prevents load swinging during acceleration and deceleration cycles.
  • Fast torque response of ≤5ms in vector control mode for responsive performance.
  • Anti-loosening rope protection detects heavy objects and ensures steady lifting operations.
  • Flexible I/O configuration with programmable digital inputs and analog output terminals.
Faqs:
  • What control modes does this variable frequency drive support?
    This drive supports three control modes: V/F control for basic applications, Open Loop Vector Control (OLVC) for improved performance without feedback, and Closed Loop Vector Control (CLVC) for high-precision applications requiring encoder feedback.
  • How does the anti-loosening rope protection work?
    The anti-loosening rope protection system detects whether heavy objects are properly lifted and implements controlled acceleration to ensure steady, safe rising operations, preventing accidents caused by loose ropes.
  • What safety protections are included in this frequency drive?
    It includes comprehensive protections against short circuit, overcurrent, overload, overvoltage, undervoltage, phase loss, overtemperature, and external faults to ensure safe operation of both the crane and surrounding environment.
  • What is the torque performance of this drive?
    The drive offers excellent torque performance with starting torque of 150% at 0.5Hz in OLVC mode and 200% at 0Hz in CLVC mode, ensuring reliable operation even under heavy loads.
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