Start/stop technology reduces hydraulic press energy consumption

April 2, 2014

AP&T has introduced a frequency drive system in its hydraulic presses to help save energy — similar to the start/stop function found in modern vehicles.

The system controls the speed of the electrical engines, which then control the load-sensing hydraulic system found in the company’s presses. This means the system can quickly reduce the speed of the electrical engines, as well as quickly start them. Since the electrical engines are used only when needed, energy costs for the press can be cut by up to 40 percent, says the company.



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