Ozsoy, Emre and Soner, Burak and Ahmad, Fiaz and Rasool, Akhtar and Şabanoviç, Asif and Gokasan, Metin and Bogosyan, Seta and Sanjeevikumar, P. (2018) Disturbance observer based power control of DFIG under unbalanced network conditions. Electric Power Components and Systems, 46 (13). pp. 1448-1461. ISSN 1532-5008 (Print) 1532-5016 (Online)
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Official URL: https://dx.doi.org/10.1080/15325008.2018.1489434
Abstract
This article investigates a new current control strategy for grid connected doubly fed induction generators (DFIG) under unbalanced grid voltage conditions. DFIG dynamic model is represented in synchronously rotating symmetrical component dq frames of references. A proportional controller which feed forwards estimated disturbance terms is proposed for power control in unbalanced voltage conditions to accomplish positive sequence power demand and also to dissipate negative sequence components which cause double frequency oscillations in power. DFIG parameters are not required to be known since it estimates the machine parameters relevant nonlinear terms with a disturbance observer (DOB). The novel controller structure is implemented by using dSPACE ds1103 digital controller which controls a 1.1 kW DFIG experimental setup.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | disturbance observer; doubly fed induction generator; unbalanced voltage; wind energy |
| Divisions: | Faculty of Engineering and Natural Sciences > Academic programs > Mechatronics Faculty of Engineering and Natural Sciences |
| Depositing User: | Burak Soner |
| Date Deposited: | 17 Jul 2023 22:41 |
| Last Modified: | 17 Jul 2023 22:41 |
| URI: | https://research.sabanciuniv.edu/id/eprint/46117 |
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