GD20-09 Series VFD for Crane

GD20-09 series VFD for crane is an open-loop vector control VFD that INVT develops for cranes based on the load characteristics and control requirements of electric hoists, European-style cranes, and small-tonnage gantry or bridge cranes. Compliant with crane industry standards, integrated with crane-specific functions, and compact structured, the VFD achieves excellent performance, carries the built-in braking unit for the entire series, adopts the overall EMC design, and passes rigorous reliability testing, meeting the environment requirements on low noise and low EMI in the application sites, and greatly improving product reliability.
Power range: AC 380V (-15%)–440V (+10%) 0.75–37kW

Description

• Built-in braking unit configured for the entire series

* Dedicated terminal design, diverse choices

* Special-purpose braking logic:
– Special-purpose braking logic: Integrates with torque verification to achieve safe run without slip after torque establishment;
– supports starting direction selection and brake selection in FWD/REV switchover to meet various starting requirements flexibly.

* Application macros:
Integrates a variety of crane application macros and supports user-defined macros, which are easy to commission and use.

* Conical rotor motor control:
Helps adjust the magnetic flux based on the characteristics of conical rotor motor to realize fast brake release and closing control, simplify the commissioning steps, and ensure equipment safety.

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