The work presents the design of a traction electric equipment set of an electromechanical drivetrain (EMD) to be used with 300-hp-class agricultural wheeled tractors. Comparative characteristics of various drivetrain types used in agricultural tractors are presented; and the advantages of using EMDs in tractors are discussed. The EDM advantages are as follows: improved technical and economic parameters of the tractor; reduced dynamic loads on the tractor and diesel units; reduces wheel slippage; reduced fuel consumption (by up to 30%); continuous variation of speed of the tractor and aggregated implements; reduced expenses on maintenance, repair and spare parts; increased total reliability, controllability and comfort; possibility to use the tractor as a power source (optionally). Considered in combination, all these advantages clearly speak in favor of using electromechanical drivetrains.For simplicity of diagnosing and servicing, and adjusting and controlling the parameters of the equipment, a service computing system (SCS) has been developed - special-purpose software for an external personal computer. The SCS helps to adjust the settings of the control system, selectively visualize the current values of variables, store and dynamically display them in an operator-friendly form, and ensure navigation and visualization of emergency logs of the high-level controller. Additionally to the main equipment, a set of options has been developed and implemented: a self-controlled power electric station, electric drive of the front power take-off (PTO) and electric drive of the fan of the internal combustion engine (ICE).
Agricultural Tractor with Pure Electromechanical Drivetrain
Sae Int. J. Commer. Veh
Commercial Vehicle Engineering Congress ; 2011
Sae International Journal of Commercial Vehicles ; 4 , 1 ; 275-285
2011-09-13
11 pages
Aufsatz (Konferenz)
Englisch
Agricultural Tractor with Pure Electromechanical Drivetrain
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