The Use of Energy Storages to Increase the Energy Effectiveness of Traction Rolling Stock

Титова, Т. С.; Евстафьев, А. М.; Nikitin, V. V.

doi:10.3103/s1068371218100097

Cited by 18 publications

(1 citation statement)

References 5 publications

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“…On electric locomotives with asynchronous traction motors, control systems with direct torque control [17] and vector control [18,19] are used. In the starting mode, the intensity of the speed change is set taking into account the conditions of the traction problem [20][21][22]. In the braking mode, the intensity of the speed change is set taking into account the conditions of the braking problem [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Determination of voltage at the rectifier installation of the electric locomotive VL-80K for each position of the controller driver's

Goolak¹,

Yermolenko²,

Ткаченко³

et al. 2022

TAPR

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The object of research is the electrical processes in the control system of the traction drive of the electric locomotive VL-80K (Russia). To improve the accuracy of its mathematical model, it is necessary to use the values of the parameters determined during experimental studies of the traction drive control system. In particular, it is important to use in the traction drive model the value of the voltages on the arms of the rectifier installation of the electric locomotive, taking into account the position of the driver's controller. The complexity of the simulation lies in the fact that the reference does not provide the value of the voltage on the arms of the rectifier for each position of the driver's controller, which makes it difficult to verify the resulting model. A scheme for measuring the voltage value on the arms of the rectifier installation of an electric locomotive for each position of the position of the driver's controller is proposed. On its basis, a simulation model is developed in the MATLAB software environment. The simulation model implements an algorithm for closing the contactors of the electric group contactor for each position of the position of the driver's controller. Approbation of the voltage measurement technique was carried out on an electric locomotive of the VL-80K series during a trip on the Darnytsia-Myronivka section (Ukraine). Comparison of the voltage values on the arms of the rectifier installation, obtained experimentally, with the passport data showed that the measurement error was 0.5 %. In addition, the experimental results showed that the voltages on the arms of the rectifier for paired positions of the position of the driver's controller are the same, for odd ones they are different. Therefore, when simulating the operation of the traction drive control system, the voltage values on different arms of the rectifier installation were taken separately. Comparison of the simulation results for the nominal mode with passport data showed that for this mode the measurement error was 3.78 %. For all others, it did not exceed 5 %.

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