Modelling of windmill induction generators in dynamic simulation programs

Vladislav Akhmatov; Hans Knudsen

doi:10.1109/PTC.1999.826539

Modelling of windmill induction generators in dynamic simulation programs

Vladislav Akhmatov, Hans Knudsen

NESA A/S

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Abstract

For AC networks with large amounts of induction generators-in case of e.g. windmills-the paper demonstrates a significant discrepancy in the simulated voltage recovery after faults in weak networks, when comparing result obtained with dynamic stability programs and transient programs, respectively with and without a model of the mechanical shaft. The reason for the discrepancies are explained, and it is shown that the phenomenon is due partly to the presence of DC offset currents in the induction machine stator, and partly to the mechanical shaft system of the wind turbine and the generator rotor. It is shown that it is possible to include a transient model in dynamic stability programs and thus obtain correct results also in dynamic stability programs. A mechanical model of the shaft system has also been included in the generator model

Original language	English
Title of host publication	Proceedings of International IEEE Power Tech Conference
Number of pages	108
Publisher	IEEE
Publication date	1999
ISBN (Print)	0-7803-5836-8
DOIs	https://doi.org/10.1109/PTC.1999.826539
Publication status	Published - 1999
Event	PowerTech 99 Budapest: International Conference on Electric Power Engineering - Budapest, Hungary Duration: 29 Aug 1999 → 2 Sept 1999

Conference

Conference	PowerTech 99 Budapest
Country/Territory	Hungary
City	Budapest
Period	29/08/1999 → 02/09/1999

Bibliographical note

Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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title = "Modelling of windmill induction generators in dynamic simulation programs",

abstract = "For AC networks with large amounts of induction generators-in case of e.g. windmills-the paper demonstrates a significant discrepancy in the simulated voltage recovery after faults in weak networks, when comparing result obtained with dynamic stability programs and transient programs, respectively with and without a model of the mechanical shaft. The reason for the discrepancies are explained, and it is shown that the phenomenon is due partly to the presence of DC offset currents in the induction machine stator, and partly to the mechanical shaft system of the wind turbine and the generator rotor. It is shown that it is possible to include a transient model in dynamic stability programs and thus obtain correct results also in dynamic stability programs. A mechanical model of the shaft system has also been included in the generator model",

author = "Vladislav Akhmatov and Hans Knudsen",

note = "Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.; PowerTech 99 Budapest : International Conference on Electric Power Engineering ; Conference date: 29-08-1999 Through 02-09-1999",

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T1 - Modelling of windmill induction generators in dynamic simulation programs

AU - Akhmatov, Vladislav

AU - Knudsen, Hans

N1 - Copyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

PY - 1999

Y1 - 1999

N2 - For AC networks with large amounts of induction generators-in case of e.g. windmills-the paper demonstrates a significant discrepancy in the simulated voltage recovery after faults in weak networks, when comparing result obtained with dynamic stability programs and transient programs, respectively with and without a model of the mechanical shaft. The reason for the discrepancies are explained, and it is shown that the phenomenon is due partly to the presence of DC offset currents in the induction machine stator, and partly to the mechanical shaft system of the wind turbine and the generator rotor. It is shown that it is possible to include a transient model in dynamic stability programs and thus obtain correct results also in dynamic stability programs. A mechanical model of the shaft system has also been included in the generator model

AB - For AC networks with large amounts of induction generators-in case of e.g. windmills-the paper demonstrates a significant discrepancy in the simulated voltage recovery after faults in weak networks, when comparing result obtained with dynamic stability programs and transient programs, respectively with and without a model of the mechanical shaft. The reason for the discrepancies are explained, and it is shown that the phenomenon is due partly to the presence of DC offset currents in the induction machine stator, and partly to the mechanical shaft system of the wind turbine and the generator rotor. It is shown that it is possible to include a transient model in dynamic stability programs and thus obtain correct results also in dynamic stability programs. A mechanical model of the shaft system has also been included in the generator model

U2 - 10.1109/PTC.1999.826539

DO - 10.1109/PTC.1999.826539

M3 - Article in proceedings

SN - 0-7803-5836-8

BT - Proceedings of International IEEE Power Tech Conference

PB - IEEE

T2 - PowerTech 99 Budapest

Y2 - 29 August 1999 through 2 September 1999

ER -

Modelling of windmill induction generators in dynamic simulation programs

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