Deep Attenuation Use for Traction Motors of Mainline Electric Locomotives

Purpose. Given the need to improve performance of modern mainline rolling stock, authors analyze possibility using deeper regulation attenuation. Methodology. The analysis operation thyristor-pulse converter ER200 electric train is performed. It established that in acceleration mode at limit traction characteristic it necessary consider two zones: zone constant value force and power. A method for determining minimum attenuation coefficient different types DC PC motors was proposed. methods theoretical research analytical calculation electrical circuits, foundations traction, mathematical modeling energy processes were used analysis. Findings. complex calculations allows confirming technical deep use regulate speed obtain additional across-the-line positions stock with motors. determined. Originality. methodology main locomotives terms magnetic flux control, replacing experimental data studies. essence studies form required type characteristics by reducing permissible excitation coefficient, which will reduce electricity consumption. on determination quantitative indicators consumption saving reserves transport further developed. Practical value. results can be basis modernization direct pulsating current systems regulation. conducted make possible create recommendations designing engines improved economic are capable increase process efficiency transport.