Disturbance Observer Based Power Control of DFIG Under Unbalanced Network Conditions

Emre Ozsoy; Burak Soner; Fiaz Ahmad; Akhtar Rasool; Asif Sabanovic; Metin Gokasan; Seta Bogosyan; P. Sanjeevikumar

doi:10.1080/15325008.2018.1489434

Disturbance Observer Based Power Control of DFIG Under Unbalanced Network Conditions

Emre Ozsoy^*, Burak Soner, Fiaz Ahmad, Akhtar Rasool, Asif Sabanovic, Metin Gokasan, Seta Bogosyan, P. Sanjeevikumar

^*Corresponding author for this work

Department of Control and Automation Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

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.

Original language	English
Pages (from-to)	1448-1461
Number of pages	14
Journal	Electric Power Components and Systems
Volume	46
Issue number	13
DOIs	https://doi.org/10.1080/15325008.2018.1489434
Publication status	Published - 9 Aug 2018

Bibliographical note

Publisher Copyright:
© 2018, Copyright © Taylor & Francis Group, LLC.

Keywords

disturbance observer
doubly fed induction generator
unbalanced voltage
wind energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1080/15325008.2018.1489434

Cite this

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title = "Disturbance Observer Based Power Control of DFIG Under Unbalanced Network Conditions",

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.",

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AU - Ozsoy, Emre

AU - Soner, Burak

AU - Ahmad, Fiaz

AU - Rasool, Akhtar

AU - Sabanovic, Asif

AU - Gokasan, Metin

AU - Bogosyan, Seta

AU - Sanjeevikumar, P.

PY - 2018/8/9

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N2 - 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.

AB - 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.

KW - disturbance observer

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KW - unbalanced voltage

KW - wind energy

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Disturbance Observer Based Power Control of DFIG Under Unbalanced Network Conditions

Abstract

Bibliographical note

Keywords

UN SDGs

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