General bridge and gantry crane
For general bridge and gantry cranes that adopt variable frequency speed control, it is recommended that special-purpose variable frequency motor be used. CHV190 frequency inverter provides close-loop vector control way for hoisting mechanism, open-loop vector control way for big and small cart mechanisms, which ensure hoisting mechanism does not slip at low speed and full load, big and small carts mechanisms start and brake smoothly. For electric brake, it is recommended that commonly used resistor energy consumption braking way be used.
- It is highly safe, reliable contracting brake and contact control procedures and special-purpose crane control function ensure the crane to operate safely and reliably.
- It is simple and easy for use and adapts to traditional operation way of general bridge and gantry cranes.
- It is more energy saving and debugging is more flexible and highly efficient than speed change with traditional wound rotor motor connecting to a resistor in serial.
- It integrates special-purpose functions of several cranes, and its design can be simplified to improve on-site debugging efficiency.