Improving the Energy Efficiency of a Traction Network and Electric Rolling Stock of Alternating Current with a 4qs-Converter

Glyzin, I. I.; In’kov, Yu. M.; Kuchumov, V. A.; Litovchenko, V. V.

doi:10.3103/s1068371219090050

Cited by 4 publications

(1 citation statement)

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“…An example is the usage of ACPF based on a step-up (boost) DC-DC voltage pulse converter [7] as part of the PSN-169 auxiliary converter on board an EP200 type passenger AC electric locomotive manufactured in Russia. An alternative technical solution with similar functions is the use of a four-quadrant converter as part of an auxiliary electric drive [12][13][14][15][16][17]. In Figure 1 we can see an electrical circuit diagram and functional diagram of the electric locomotive's ACPF control system.…”

Section: Introductionmentioning

confidence: 99%

Simulation of the Active Corrector of Power Factor as a Means of Improving the Electromagnetic Compatibility and Energy Efficiency of Electric Locomotive’s Auxiliary Electric Drive

Lavrentyev,

Pustovetov

2024

Preprint

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The object of study in the article is the auxiliary variable-frequency electric drive onboard of an AC electric locomotive, and more precisely, the structure and parameters of the control system of the active corrector of power factor (ACPF), which is part of the electric drive, as a unit that ensures electromagnetic compatibility of the electric drive with other equipment on board the electric locomotive and catenary and its energy efficiency. The topic of the article's research is the substantiation of the structure of the ACPF control system, the choice of types (transfer functions) of controllers and the calculation of their parameters. The research method chosen was the calculation of the transfer functions of the controllers of the cascaded loops control system, followed by computer simulation using the OrCAD software. The results of simulating a cascaded two loops control system of an ACPF with different types of controllers are presented and analytically compared. It is concluded that it is advisable to use a cascaded two loops control system, containing a voltage control loop and a current control loop. The best results show the simulation when using an aperiodic current controller (A-controller) and a proportional-integral voltage controller (PI-controller). The data obtained serve as the basis for further improvement of the operation of the ACPF by enhancing and optimizing the settings, structure and algorithms of the control system, which, with the selected hardware of power converter unit, will allow the ACPF to perform its functions with a high degree of reliability in an entire range of disturbing and control influences.

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