Abstract
Effective use of fuel and energy resources is one of the main tasks in modern industry and transport. The main directions of increasing the energy efficiency of the electric rolling stock of railways are considered in the paper. For the electric rolling stock of railways, a significant proportion of electric power consumption falls on traction needs. The consumption of electrical energy and its recovery directly depends on the proper operation and fine-tuning of the magnetic system and switching of traction electric motors of the rolling stock. The methods of testing traction electric motors currently used in railway transport do not fully correspond to their operating modes during operation. For more reliable control of their condition, a methodology for estimating the nature of the operation of traction electric motors in conditions close to real ones was proposed. Studies of the influence of transient processes on the quality of switching of traction electric motors taking into account operating conditions are carried out. Based on the results of the study, the analysis of the data obtained is carried out, and a criterion for estimating the switching stability of traction electric motors in transient operation modes is proposed. The proposed criterion allows carrying out quality control of the tuning of the magnetic system and switching of the traction electric motor, and also estimating the nature of its operation in various modes, taking into account the operating conditions.
Highlights
The problem of increasing the energy efficiency of the electric rolling stock is of current interest in railway transport
The results of the tests carried out on the test unit have shown that the transient processes of the first and second types have a direct effect on the switching of the machine
Further studies will reveal the degree of influence of transient processes on the switching stability of DC machines
Summary
The problem of increasing the energy efficiency of the electric rolling stock is of current interest in railway transport. The criterion for the assessment of efficiency of its operation is the specific electric power consumption, which directly depends on the total consumption of electric power consumed by the electric rolling stock (ERS) [1]. The main direction of reducing the total electric power consumption according to the strategy of JSC “Russian Railways” is to increase the level of recovered energy and the efficiency of its use [2]. For ERS, the main consumers of electric power are traction electric motors (TEM) [5]. The operation modes and tuning of the magnetic system of TEM have a significant effect on the electric power consumption. The main way to reduce electric power consumption is the use of regenerative braking [7]. The efficiency of regenerative braking directly depends on the proper operation and correct tuning of TEM
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
