An electric Power Take-off (ePTO) is the perfect solution for powering hydraulic (auxiliary) functions in mobile applications. Implementing an ePTO system provides a highly efficient alternative to traditional setups. In a conventional system, the hydraulic pump is connected to a PTO shaft from the internal combustion engine, whereas in an ePTO system, the hydraulic pump is powered by an electric motor, the Electric Hydraulic Pump (EHP). When using the auxiliary functions, no energy is drawn from the combustion engine, creating a zero-emission system, reducing noise pollution, and increasing efficiency.
The ePTO system consists of a hydraulic pump, an electric PM synchronous motor, an inverter, a DC power source—usually a battery—and a control system. The ePTO systems are available with a continuous power range from 2 to 260 kW, a flow rate of up to 350 l/min, and a working pressure of up to 450 bar.
Various hydraulic pump options are available, including fixed displacement and variable displacement pumps. Depending on the required flow rate, pressure, efficiency, and cost, different pump types can be selected.
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