Abstract
The quality of the fuel supply process is the main criterion for ensuring the required indicators of efficiency and environmental friendliness of a diesel locomotive. The electronic control system of the ESUVT.01 type for D50 type diesel (6 CHN 31.8/33) for fuel supply control is produced by JSC Penzadizelmash developed in LLC PPP Dieselavtomatika (Saratov) is presented. Optimizing the phase of the beginning of fuel supply – the advance angle of fuel injection (AAFI) shows the possibility of a significant improvement in fuel efficiency and toxicity of diesel exhaust gases. To assess the effect of the AAFI on the diesel locomotive performance, its experimental studies were carried out. The object of bench tests was a diesel generator set of type 1-PDG4D with the specified diesel and with a traction generator MPT-84/39. During the tests, the dependencies of diesel indicators on the AAFI were obtained. The necessity of optimizing the values of the AAFI in accordance with the engine operating mode is confirmed. Optimized values of the AAFI are obtained in the modes of diesel characteristics. The toxicity indicators of diesel exhaust gases and fuel efficiency with optimized characteristics of the AAFI are determined.
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