Study on Vibration of Marine Diesel-Electric Hybrid Propulsion System

Table 1

Basic parameters of hybrid propulsion shafting.

Component Name	Type	Basic parameter
3-cylinder diesel engine 1#	TD226B-3C	Power = 40 Kw, speed = 1500 r/min, bore = 105 mm, stroke = 120 mm
4-cylinder diesel engine 2#	TD226B-4C	Power = 60 Kw, speed = 1500 r/min, bore =105 mm, stroke = 120 mm
Flexible coupling	HGTL1.8	Rated torque = 1.8 kNm, maximum torque = 4.5 kNm, relative damping = 1.1
Gearbox	2GWH100	= 1 : 1
Motor shaft	2YVP200L	Power = 30 Kw, frequency = 50 Hz
Eddy current dynamometer	DW250	Power = 250 kW