A New Electrohydraulic Hybrid Energy-Saving System Used on the Reversible Rolling Mills

Figure 15

Brake energy recovery test bench. 1, a group of accumulators; 2, units for oil pump motors; 3, integrated valve blocks; 4, flowmeter; 5, energy recovery pump/motor; 6, rotational speed and torque sensors; 7, clutch 1; 8, flywheel; 9, clutch 2; 10, motor; 11, operation panel; 12, industrial controllers.