Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range

The subject of this publication is a method of controlling the DC voltage of a PWM rectifier supplied by a multiphase cage induction generator with the number of stator phases greater than three operating in a wide range of driving speeds. Voltage regulation is performed by changing the frequency an...

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Autores principales:	Piotr Drozdowski, Dariusz Cholewa
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	multiphase cage induction generator multiphase VSC control stator supply sequence switching DC voltage automatic control wind turbine mechanical characteristics Technology T
Acceso en línea:	https://doaj.org/article/4d07b937b5bd41a991b26f3bb9695847
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spelling	oai:doaj.org-article:4d07b937b5bd41a991b26f3bb96958472021-11-11T15:53:02ZVoltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range10.3390/en142170801996-1073https://doaj.org/article/4d07b937b5bd41a991b26f3bb96958472021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7080https://doaj.org/toc/1996-1073The subject of this publication is a method of controlling the DC voltage of a PWM rectifier supplied by a multiphase cage induction generator with the number of stator phases greater than three operating in a wide range of driving speeds. Voltage regulation is performed by changing the frequency and amplitude of the stator voltages with simultaneous switching of the phase sequence of these voltages. The step change of the voltage sequence is made in the designated ranges of the generator speed, which enables the stabilization of the output voltage in a wide range from the minimum speed of about 25% of the rated speed. Such sequence switching changes the number of pole pairs produced by the winding for each supply sequence. The difference compared to multi-speed induction machines is that, in the presented solution, there is only one winding, not a few, which enables good use of the machine’s magnetic core in the same dimensions as for the three-phase machine of a similar power. Steady-state characteristics and dynamic operation were obtained using laboratory measurements of a standalone nine-phase induction generator. The automatic control system maintained the output voltage at the set level, regardless of the generator load and driving power.Piotr DrozdowskiDariusz CholewaMDPI AGarticlemultiphase cage induction generatormultiphase VSC controlstator supply sequence switchingDC voltage automatic controlwind turbine mechanical characteristicsTechnologyTENEnergies, Vol 14, Iss 7080, p 7080 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	multiphase cage induction generator multiphase VSC control stator supply sequence switching DC voltage automatic control wind turbine mechanical characteristics Technology T
spellingShingle	multiphase cage induction generator multiphase VSC control stator supply sequence switching DC voltage automatic control wind turbine mechanical characteristics Technology T Piotr Drozdowski Dariusz Cholewa Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
description	The subject of this publication is a method of controlling the DC voltage of a PWM rectifier supplied by a multiphase cage induction generator with the number of stator phases greater than three operating in a wide range of driving speeds. Voltage regulation is performed by changing the frequency and amplitude of the stator voltages with simultaneous switching of the phase sequence of these voltages. The step change of the voltage sequence is made in the designated ranges of the generator speed, which enables the stabilization of the output voltage in a wide range from the minimum speed of about 25% of the rated speed. Such sequence switching changes the number of pole pairs produced by the winding for each supply sequence. The difference compared to multi-speed induction machines is that, in the presented solution, there is only one winding, not a few, which enables good use of the machine’s magnetic core in the same dimensions as for the three-phase machine of a similar power. Steady-state characteristics and dynamic operation were obtained using laboratory measurements of a standalone nine-phase induction generator. The automatic control system maintained the output voltage at the set level, regardless of the generator load and driving power.
format	article
author	Piotr Drozdowski Dariusz Cholewa
author_facet	Piotr Drozdowski Dariusz Cholewa
author_sort	Piotr Drozdowski
title	Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
title_short	Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
title_full	Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
title_fullStr	Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
title_full_unstemmed	Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range
title_sort	voltage control of multiphase cage induction generators at a speed varying over a wide range
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4d07b937b5bd41a991b26f3bb9695847
work_keys_str_mv	AT piotrdrozdowski voltagecontrolofmultiphasecageinductiongeneratorsataspeedvaryingoverawiderange AT dariuszcholewa voltagecontrolofmultiphasecageinductiongeneratorsataspeedvaryingoverawiderange
_version_	1718433050332758016

Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range

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