With the rapid development of economy, the demand for cranes in construction industry, wharf freight transport and metallurgical industry is increasing, and cranes are developing towards large-scale automation and multi-functional complexity. However, the energy consumption of crane motors is higher and higher. However, the global energy crisis is worsening at the same time. Energy conservation and emission reduction is also the national policy of China. Therefore, how to improve the energy utilization rate of wharf crane, reduce power consumption, and achieve the goal of energy saving and consumption reduction has become the focus of the industry.

With the development of technology, crane energy-saving control mode has been more and more widely studied and developed. More and more advanced crane control system development and application. The development and application of energy-saving motors are of great help to crane energy-saving. Energy saving inverter control has been widely used in frequency converter, torque control mode of technology integration, etc. various energy-saving design and research have made certain achievements in crane. I believe that in the near future, the energy-saving effect of crane will reach an ideal state.

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