access icon free Control strategy of traction rectifier based on virtual synchronous machine

© The Institution of Engineering and Technology
Received 01/08/2017, Published 26/02/2018
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Based on the idea of virtual synchronous machine, a control strategy of traction rectifier is proposed. The proposed strategy provides the voltage and frequency support for the traction grid, damps oscillation, which helps to improve the stability of the power system. In this way, the electrical energy can be fed back to the traction grid more friendly in the regenerative braking condition. The experiment proves that the control strategy has good control effect both on traction and regeneration braking conditions.

Inspec keywords: synchronous machines; braking; traction; rectifiers; machine control

Other keywords: traction rectifier; regenerative braking; power system stability; damps oscillation; traction grid; control strategy; virtual synchronous machine

Subjects: Control of electric power systems; Transportation; Synchronous machines; Transportation system control; AC-DC power convertors (rectifiers)

References

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      • 3. Monfared, M., Sanatkar, M., Golestan, S.: ‘Direct active and reactive power control of single-phase grid-tie converter’, Power Electron., 2012, 5, (8), pp. 1544–1550, doi: 10.1049/iet-pel.2012.0131.
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      • 1. Visscher, K., De Haan, S.W.H.: ‘Virtual synchronous machines (VSG's) for frequency stabilisation in future grids with a significant share of decentralized generation’. SmartGrids for Distribution, Frankfurt, Germany, June 2008. IET-CIRED. CIRED Seminar, 2008.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.2922
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