Experimental Research on Parameters of a Late-Model Hydraulic-Electromotor Hybrid Pumping Unit

Table 1

Parameters of the experimental main components.

Components	Type	Parameters
Axial piston variable pump	BCY14-1B-25	Maximum displacement:25 cc/r
		Nominal pressure: 31 MPa
		Rated speed: 3000 rpm
Axial piston variable motor	A6VM28EP12FZ	Maximum displacement:28 cc/r
		Nominal pressure: 35 MPa
		Rated speed: 4700 rpm
Three-phase asynchronous motor	Y100L-4	Rated power: 2.2 kW
		Rated speed: 1450 rpm
		Rated torque: 5N·m
Magnetic powder brake	FZ25 J	Maximum speed: 1500r/min
		Power supply voltage: 24 V
		Power supply current: 0.5 A
		Rated torque: 6N·m
Magnetic powder clutch	FL6J	Maximum speed: 1500r/min
		Power supply voltage: 24V
		Power supply current: 0.9 A
Dc motor	80BL110S50	Nominal power: 500W
Accumulator	NXQA6.3 L	Volume: 6.3 L
Torque and speed sensor	JN-DN28	Range of the input signal:1∼5V
		Range of the detect torque: 0∼30Nm
Pressure sensor	SIN-P300	Power supply voltage: 24 V
		Output current: 4–20 mA