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Analysis and design of stand-alone DFIG employing a battery-single inverter arrangement.

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Title: Analysis and design of stand-alone DFIG employing a battery-single inverter arrangement.
Authors: Nindra, Sekhar1 (AUTHOR) nindrasekhar.eee@bmsce.ac.in, Boddapati, Venkatesh1 (AUTHOR), Natarajan, Kumaresan2 (AUTHOR), Shivanaganna, Nethravathi1 (AUTHOR), Ravulakari, Kalyan1,2 (AUTHOR), Dadadahalli Basavaraju, Prakash1 (AUTHOR)
Source: Wind Engineering. Apr2026, Vol. 50 Issue 2, p308-330. 23p.
Subjects: Pulse width modulation inverters, Wind power, Electrical load, Frequency changers, Electric power conversion, Field programmable gate arrays, Voltage control
Abstract: A modest system configuration is developed for functioning wind driven standalone DFIG to power isolated loads. Being grid-independent, variations in rotor speed result in corresponding changes in stator voltage and frequency. A straightforward control approach is formulated to sustain a constant voltage and frequency observed at the DFIG stator, effectively creating a localized reference grid to power connected energy users. It is accomplished through closed system control of a battery powered SPWM inverter interfaced with DFIG rotor terminals. The system provides uninterrupted supply to isolated loads by managing charging/discharging operations of the battery bank, in accordance with wind power availability. This control strategy is instigated using FPGA regulator and validated on a standalone DFIG. This strategy is independent of machine parameter variations, eliminating the need for coordinate transformations, rotor position sensing, and rotor current measurements. Experimental and simulation validation demonstrates the effectiveness of the anticipated approach and supports theoretical investigation. [ABSTRACT FROM AUTHOR]
Copyright of Wind Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 192633424
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Analysis and design of stand-alone DFIG employing a battery-single inverter arrangement.
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  Data: <searchLink fieldCode="AR" term="%22Nindra%2C+Sekhar%22">Nindra, Sekhar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> nindrasekhar.eee@bmsce.ac.in</i><br /><searchLink fieldCode="AR" term="%22Boddapati%2C+Venkatesh%22">Boddapati, Venkatesh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Natarajan%2C+Kumaresan%22">Natarajan, Kumaresan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shivanaganna%2C+Nethravathi%22">Shivanaganna, Nethravathi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ravulakari%2C+Kalyan%22">Ravulakari, Kalyan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dadadahalli+Basavaraju%2C+Prakash%22">Dadadahalli Basavaraju, Prakash</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Wind+Engineering%22">Wind Engineering</searchLink>. Apr2026, Vol. 50 Issue 2, p308-330. 23p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Pulse+width+modulation+inverters%22">Pulse width modulation inverters</searchLink><br /><searchLink fieldCode="DE" term="%22Wind+power%22">Wind power</searchLink><br /><searchLink fieldCode="DE" term="%22Electrical+load%22">Electrical load</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency+changers%22">Frequency changers</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+power+conversion%22">Electric power conversion</searchLink><br /><searchLink fieldCode="DE" term="%22Field+programmable+gate+arrays%22">Field programmable gate arrays</searchLink><br /><searchLink fieldCode="DE" term="%22Voltage+control%22">Voltage control</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A modest system configuration is developed for functioning wind driven standalone DFIG to power isolated loads. Being grid-independent, variations in rotor speed result in corresponding changes in stator voltage and frequency. A straightforward control approach is formulated to sustain a constant voltage and frequency observed at the DFIG stator, effectively creating a localized reference grid to power connected energy users. It is accomplished through closed system control of a battery powered SPWM inverter interfaced with DFIG rotor terminals. The system provides uninterrupted supply to isolated loads by managing charging/discharging operations of the battery bank, in accordance with wind power availability. This control strategy is instigated using FPGA regulator and validated on a standalone DFIG. This strategy is independent of machine parameter variations, eliminating the need for coordinate transformations, rotor position sensing, and rotor current measurements. Experimental and simulation validation demonstrates the effectiveness of the anticipated approach and supports theoretical investigation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Wind Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1177/0309524X251371405
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 23
        StartPage: 308
    Subjects:
      – SubjectFull: Pulse width modulation inverters
        Type: general
      – SubjectFull: Wind power
        Type: general
      – SubjectFull: Electrical load
        Type: general
      – SubjectFull: Frequency changers
        Type: general
      – SubjectFull: Electric power conversion
        Type: general
      – SubjectFull: Field programmable gate arrays
        Type: general
      – SubjectFull: Voltage control
        Type: general
    Titles:
      – TitleFull: Analysis and design of stand-alone DFIG employing a battery-single inverter arrangement.
        Type: main
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          Name:
            NameFull: Nindra, Sekhar
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            NameFull: Boddapati, Venkatesh
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            NameFull: Natarajan, Kumaresan
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            NameFull: Shivanaganna, Nethravathi
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            NameFull: Ravulakari, Kalyan
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            NameFull: Dadadahalli Basavaraju, Prakash
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          Dates:
            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 0309524X
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              Value: 50
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              Value: 2
          Titles:
            – TitleFull: Wind Engineering
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