Frequency drive for Liebherr LHM 250

The CIMR-AB4A0088 frequency drive serves as a control unit for electric motors within the Liebherr LHM 250 mobile harbor crane. By modulating the frequency and voltage of the electrical power supplied to the motor, this component regulates operational speed and torque. It is engineered to support motors with a power rating of 37 KW, facilitating precise control over motor acceleration and deceleration curves during crane operations such as hoisting, slewing, and traveling.

This drive is manufactured by Yaskawa for integration into the Liebherr LHM 250 system. It functions by adjusting power delivery to match the specific load demands of the crane, which assists in managing electrical and mechanical stress on the drive train. The unit also incorporates protective features designed to monitor for overloads and voltage anomalies during operation.

Frequency drives are used in heavy machinery to manage the performance of AC motors. By providing variable control over motor output, they allow for controlled starts and stops, which assists in the handling of loads. These devices are integrated into the electrical architecture of the machine to maintain operational parameters and protect the motor from electrical faults.