Theoretical analysis of control properties for the brushless doubly fed reluctance machine

Betz, R.E.; Jovanović, Milutin

doi:10.1109/tec.2002.801997

Cited by 107 publications

(51 citation statements)

References 15 publications

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“…This design offers some advantages on top of the advantages of BDFIG including higher efficiency, easier construction and control including power factor control capability as well as the cost reduction and higher reliability including its "fail-safe" operating mode due to its reluctance rotor [18][19][20][21]. Due to its very high reliability, reluctance generators have also been of interest in aircraft industry where design challenges such as harsh environment operation and stringent reliability exist [22,23].…”

Section: Bdfrgmentioning

confidence: 99%

“…Due to its very high reliability, reluctance generators have also been of interest in aircraft industry where design challenges such as harsh environment operation and stringent reliability exist [22,23]. On the other hand, some of the drawbacks for BDFRG exist such as complexity of rotor deign, its larger machine size due to a lower torque-volume ratio and so forth [20,24,25]. …”

Section: Bdfrgmentioning

confidence: 99%

“…The advantages and disadvantages of the six concepts, the four existing in the current market and the two newer concepts discussed in the previous section are summarised in Table 1 [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]24,25].…”

Section: Comparison Of Wtg Conceptsmentioning

confidence: 99%

See 2 more Smart Citations

Wind Energy Conversion System from Electrical Perspective—A Survey

Kim¹,

Lu²

2010

SGRE

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This paper focuses on the wind energy conversion system (WECS) with the three main electrical aspects: 1) wind turbine generators (WTGs), 2) power electronics converters (PECs) and 3) grid-connection issues. The current state of wind turbine generators are discussed and compared in some criteria along with the trends in the current WECS market, which are 'Variable Speed', 'Multi-MW' and 'Offshore'. In addition, the other crucial component in the WECS, PECs will be discussed with its topologies available in the current WECS market along with their modulation strategies. Moreover, three main issues of the WECS associating with the grid-connection, fault-ride through (FRT) capability, harmonics/interharmonics emission and flicker, which are the power quality issues, will be discussed due to the increasing responsibility of WECS as utility power station. Some key findings from the review such as the attractiveness of BDFRG are presented in the conclusion of this paper.

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Section: Bdfrgmentioning

confidence: 99%

Section: Bdfrgmentioning

confidence: 99%

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Wind Energy Conversion System from Electrical Perspective—A Survey

Kim¹,

Lu²

2010

SGRE

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“…In addition to this other advantages of BDFRM are absence of rotor copper loss, elimination of slip rings etc. These advantages give BDFRM an edge over other machines (3)- (5) . Many researchers have investigated this unusual machine (6)- (11) .…”

Section: Introductionmentioning

confidence: 99%

Optimal Design and Comparative Analysis of Different Configurations of Brushless Doubly Fed Reluctance Machine

Kunte¹,

Bhawalkar²,

Gopalakrishnan³

et al. 2017

IEEJ Journal IA

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The simple and robust construction of reluctance machines and the fact that they need an unsophisticated control have reignited interest in these machines. The constructional modifications and new configurations such as brushless doubly fed reluctance machines (BDFRM) show superior performance compared to their traditional counterparts, especially in variable speed applications such as pumps and wind generators. The design of BDFRM is different from other machines, as there are unusual pole combinations of stator and rotor besides the absence of a winding on the rotor. The operation and performance of the machine greatly depends on the mutual interaction between the stator windings. This interaction is modulated by the rotor with increased saliency. This paper examines a few critical issues in the design of BDFRM. Design optimization is performed using the gradient method from non-linear programming for 6-4-2 pole and 8-6-4 pole configurations of BDFRM. The performance of these optimized machines is examined through finite element analysis employing MAXWELL 16 software and then compared with 2 kW prototypes constructed for laboratory use. A comparative analysis of the two configurations are presented and experimental results show that the BDFRM with the 8-6-4 ducted rotor is superior to BDFRM with the 6-4-2 reluctance and ducted rotor configurations.

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“…1). In order to provide rotor position-dependent magnetic coupling between the windings and torque production from the machine [4,5], the reluctance rotor must have half the total number of stator poles. One implication of such an unusual operating principle [6] and unconventional design is the modest torque per volume so that a bigger, and therefore more expensive, BDFRM is needed to achieve the torque of an equivalent synchronous reluctance (SyncRel) or a cage induction machine (IM) [7].…”

Section: Introductionmentioning

confidence: 99%

Sensored and sensorless speed control methods for brushless doubly fed reluctance motors

Jovanović

2009

IET Electr. Power Appl.

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Northumbria University has developed Northumbria Research Link (NRL) to enable users to access the University's research output. Copyright © and moral rights for items on NRL are retained by the individual author(s) and/or other copyright owners. Single copies of full items can be reproduced, displayed or performed, and given to third parties in any format or medium for personal research or study, educational, or not-for-profit purposes without prior permission or charge, provided the authors, title and full bibliographic details are given, as well as a hyperlink and/or URL to the original metadata page. The content must not be changed in any way. Full items must not be sold commercially in any format or medium without formal permission of the copyright holder. The full policy is available online: http://nrl.northumbria.ac.uk/policies.html This document may differ from the final, published version of the research and has been made available online in accordance with publisher policies. To read and/or cite from the published version of the research, please visit the publisher's website (a subscription may be required.) Abstract: The study considers aspects of scalar V/f control, vector control and direct torque (and flux) control (DTC) of the brushless doubly fed reluctance machine (BDFRM) as a promising cost-effective alternative to the existing technological solutions for applications with restricted variable speed capability such as large pumps and wind turbine generators. Apart from providing a comprehensive literature review and analysis of these control methods, the development and results of experimental verification, of an angular velocity observerbased DTC scheme for sensorless speed control of the BDFRM which, unlike most of the other DTC-concept applications, can perform well down to zero supply frequency of the inverter-fed winding, have also been presented in the study.

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Theoretical analysis of control properties for the brushless doubly fed reluctance machine

Cited by 107 publications

References 15 publications

Wind Energy Conversion System from Electrical Perspective—A Survey

Wind Energy Conversion System from Electrical Perspective—A Survey

Optimal Design and Comparative Analysis of Different Configurations of Brushless Doubly Fed Reluctance Machine

Sensored and sensorless speed control methods for brushless doubly fed reluctance motors

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