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Performance Evaluation of Multilevel Inverter in Variable Speed SEIG-Based Wind Energy System

  • Research Article-Electrical Engineering
  • Published:
Arabian Journal for Science and Engineering Aims and scope Submit manuscript

Abstract

The indirect vector control (IVC) technique for stand-alone self-excited induction generator (SEIG)-based wind energy system (WES) is presented in this work. IVC regulates the SEIG speed, torque, and DC voltage independently. Further, the proposed technique is analyzed with back-to-back two-level converter such as generator side converter (GSC) and load side converter (LSC) using space vector pulse width modulation (SVPWM) strategy. Two-level and three-level space vector pulse width modulation inverters are used, and the performance comparison between the two schemes is also discussed during step change of wind speed. The three-level inverter exhibits enhancement of SEIG voltage along with current, speed, DC voltage and torque in contrast to those obtained from two-level inverter. IVC for SEIG-based WES is implemented in MATLAB/SIMULINK software, and the experimental environment is set up for 4 kW system.

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Abbreviations

\(\rho\) :

Air density

\(A\) :

Turbine swept area

\(R\) :

Length of the blade in meter

\(V_{w}\) :

Wind speed

\(\omega_{t}^{ * }\) :

Mechanical speed of turbine

\(\beta\) :

Pitch angle in degree

\(s\) :

Laplace operator

\(\omega_{r}\) :

Generator speed

\(p\) :

Pole pairs

\(T_{e}\) :

Torque developed

\(\omega_{{{\text{sl}}}}\) :

Slip speed

\(v_{{{\text{sd}}}}\), \(v_{{{\text{sq}}}}\) :

Stator voltages

\(i_{{{\text{sd}}}}\), \(i_{{{\text{sq}}}}\) :

Stator currents

\(i_{{{\text{rd}}}}\), \(i_{{{\text{rq}}}}\) :

Rotor currents

\(i_{{{\text{sm}}}}\) :

Magnetizing stator current

\(R_{s}\),\(R_{r}\) :

Winding resistances

\(L_{s}\) , \(L_{r}\) :

Self-inductances

L m :

Mutual inductance

\(\lambda_{{{\text{sd}}}} ,\lambda_{{{\text{sq}}}} ,\lambda_{{{\text{rd}}}} ,\lambda_{{{\text{rq}}}}\) :

Stator and rotor fluxes

\(i_{{{\text{ed}}}}\), \(i_{{{\text{eq}}}}\) :

Excitation capacitor currents

\(C_{{{\text{ed}}}}\), \(C_{{{\text{eq}}}}\) :

The value of excitation capacitor in \(d - q\) axes

\(\theta\) :

Transformation angle

\(\sigma\) :

Leakage factor

\(\tau_{r}\) :

Rotor time constant

GSC:

Generator side converter

IVC:

Indirect vector control

LSC:

Load side converter

MLI:

Multilevel inverter

PI:

Proportional integral

SEIG:

Self-excited induction generator

TLI:

Two-level load side inverter

WES:

Wind energy system

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Acknowledgements

The current work is supported by the Ministry of Human Resource Development, Government of India, through a Ph.D. scholarship grant.

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Authors and Affiliations

  1. Electrical Engineering, National Institute of Technology, Kurukshetra, Haryana, India

    Sanjay Dewangan & Shelly Vadhera

Authors
  1. Sanjay Dewangan
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  2. Shelly Vadhera
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Corresponding author

Correspondence to Sanjay Dewangan.

Appendix

Appendix

Parameters of induction machine

Parameters of IGBT inverter

Parameters of converter

P = 4000 W

Ron = 1 mΩ

Ron = 0.001 Ω

V = 400 V

RS = 105 Ω

Vf = 0.8 V

f = 50 Hz

 

Lon = 1 mH

RS = 0.035 pu

  

N = 1430 rpm

  

H.P = 5.4

  

Lls = 0.045 pu

  

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Dewangan, S., Vadhera, S. Performance Evaluation of Multilevel Inverter in Variable Speed SEIG-Based Wind Energy System. Arab J Sci Eng 47, 3311–3324 (2022). https://doi.org/10.1007/s13369-021-06197-z

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  • DOI: https://doi.org/10.1007/s13369-021-06197-z

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