Parallel Control of Auxiliary Inverter Based on Virtual Synchronous Generator

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Parallel Control of Auxiliary Inverter Based on Virtual Synchronous Generator

Lu, Lei / Li, Xuefei / Kuang, Yang / Chen, Jie / Qiu, Ruichang

As an important part of electric multiple units (EMU), the auxiliary power supply system plays an important role in the normal operation of the vehicle. In order to improve the reliability of the auxiliary power supply system, the virtual synchronous generator (VSG) technology is applied to the parallel control system of auxiliary inverter. The essence of VSG technology is to control the inverter to simulate the working principle of synchronous generator, so as to obtain similar operation characteristics of synchronous generator. The auxiliary inverter controlled by VSG technology can avoid the disadvantage of hard external characteristics of power electronic devices. Its rotating inertia can obviously prevent frequency fluctuation, and the system has high stability and reliability. In this paper, the frequency and voltage of the auxiliary inverters are controlled independently with VSG technology, so that the output voltage can be controlled stably and the power quality can be improved. Finally, the MATLAB simulation results show that the parallel control of auxiliary inverter based on VSG achieves the expected goals.

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Dokumentinformationen

Titel :

Parallel Control of Auxiliary Inverter Based on Virtual Synchronous Generator

Weitere Titelangaben:

Lect. Notes Electrical Eng.

Beteiligte:

Jia, Limin (Herausgeber:in) / Qin, Yong (Herausgeber:in) / Liu, Baoming (Herausgeber:in) / Liu, Zhigang (Herausgeber:in) / Diao, Lijun (Herausgeber:in) / An, Min (Herausgeber:in) / Lu, Lei (Autor:in) / Li, Xuefei (Autor:in) / Kuang, Yang (Autor:in) / Chen, Jie (Autor:in)

Kongress:

International Conference on Electrical and Information Technologies for Rail Transportation ; 2019 ; Qingdao, China October 25, 2019 - October 27, 2019

Erschienen in:

Proceedings of the 4th International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2019 ; Kapitel : 11 ; 117-125

Lecture Notes in Electrical Engineering ; 638

Erscheinungsdatum :

2020-04-08

Format / Umfang :

9 pages

ISBN :

978-981-15-2862-0 , 978-981-15-2861-3

ISSN :

1876-1119 , 1876-1100

DOI :