Design and Performance Evaluation of a Three-Phase Self-Excited Induction Generator Feeding Single-Phase Loads

Aly A. Abdel-Aziz, Ragi A. Hamdy, Ayman Abdel-Khalik

Research output: Contribution to journalArticle

Abstract

In this article, the performance of a three-phase delta connected self-excited induction generator (SEIG) using only two capacitors and feeding a single-phase load is investigated under both dynamic and steady state conditions. Two simple formulas are derived to design the required values of the excitation capacitors that not only result in balanced stator phase currents under full load, but also eliminate the induced torque pulsation due to single phase loading. The dynamic model of the proposed connection in the stationary αβ0 reference frame is also introduced and used to simulate different operational cases. The effect of core losses is included in the analysis to improve the efficiency estimation using a shunt equivalent core loss resistance. The system model is built and simulated using MATLAB/SIMULINK. The simulation results are presented and experimentally verified under different loading conditions.

Original languageEnglish
JournalElectric Power Components and Systems
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Asynchronous generators
Capacitors
Stators
MATLAB
Dynamic models
Loads (forces)
Torque

Keywords

  • island operation
  • self-excited induction generator
  • single phase load
  • symmetrical components
  • torque pulsation

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this article, the performance of a three-phase delta connected self-excited induction generator (SEIG) using only two capacitors and feeding a single-phase load is investigated under both dynamic and steady state conditions. Two simple formulas are derived to design the required values of the excitation capacitors that not only result in balanced stator phase currents under full load, but also eliminate the induced torque pulsation due to single phase loading. The dynamic model of the proposed connection in the stationary αβ0 reference frame is also introduced and used to simulate different operational cases. The effect of core losses is included in the analysis to improve the efficiency estimation using a shunt equivalent core loss resistance. The system model is built and simulated using MATLAB/SIMULINK. The simulation results are presented and experimentally verified under different loading conditions.",
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AU - Hamdy, Ragi A.

AU - Abdel-Khalik, Ayman

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N2 - In this article, the performance of a three-phase delta connected self-excited induction generator (SEIG) using only two capacitors and feeding a single-phase load is investigated under both dynamic and steady state conditions. Two simple formulas are derived to design the required values of the excitation capacitors that not only result in balanced stator phase currents under full load, but also eliminate the induced torque pulsation due to single phase loading. The dynamic model of the proposed connection in the stationary αβ0 reference frame is also introduced and used to simulate different operational cases. The effect of core losses is included in the analysis to improve the efficiency estimation using a shunt equivalent core loss resistance. The system model is built and simulated using MATLAB/SIMULINK. The simulation results are presented and experimentally verified under different loading conditions.

AB - In this article, the performance of a three-phase delta connected self-excited induction generator (SEIG) using only two capacitors and feeding a single-phase load is investigated under both dynamic and steady state conditions. Two simple formulas are derived to design the required values of the excitation capacitors that not only result in balanced stator phase currents under full load, but also eliminate the induced torque pulsation due to single phase loading. The dynamic model of the proposed connection in the stationary αβ0 reference frame is also introduced and used to simulate different operational cases. The effect of core losses is included in the analysis to improve the efficiency estimation using a shunt equivalent core loss resistance. The system model is built and simulated using MATLAB/SIMULINK. The simulation results are presented and experimentally verified under different loading conditions.

KW - island operation

KW - self-excited induction generator

KW - single phase load

KW - symmetrical components

KW - torque pulsation

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