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Implementation of Single-Phase Two-Switch Midpoint Unidirectional Multilevel Converter System

  • Peethala Rajiv Roy , P. Parthiban und B. Chitti Babu EMAIL logo
Veröffentlicht/Copyright: 21. Juni 2018
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International Journal of Emerging Electric Power Systems
Aus der Zeitschrift International Journal of Emerging Electric Power Systems Band 19 Heft 4

Abstract

This paper deals with implementation of a single-phase three level converter system under low voltage condition. The frequency of the switches is made constant and involves change in ton and toff duration. For this condition the pulse width modulation control scheme for a single phase three level rectifier is developed to improve the power quality. The hysteresis current control technique is adopted to bring forth three-level PWM on the dc side of the bridge rectifier and to achieve high power factor and low harmonic distortion. Based on the proposed control scheme, the line current is driven to follow the sinusoidal current command which is in phase with the supply voltage. By using three-level voltage pattern the blocking voltage of each power device is clamped to half of the dc link voltage. The simulation and experimental results of 20W converter under low input voltage condition are shown to verify the circuit performance. Open loop simulation and hardware tests are implemented by applying a low voltage of 15 V(rms) on the input side.

Keywords: Arduino due; hysteresis current control; pulse width modulation; power factor correction; total harmonic distortion; voltage unbalance

References

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Received: 2017-07-19
Revised: 2018-06-01
Accepted: 2018-06-12
Published Online: 2018-06-21

© 2018 Walter de Gruyter GmbH, Berlin/Boston

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  6. Maxmize the House Roof PV Solar Output by Using Maximum Power Point Box (MPPB)
  7. Implementation of Single-Phase Two-Switch Midpoint Unidirectional Multilevel Converter System
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https://doi.org/10.1515/ijeeps-2017-0151
Schlagwörter für diesen Artikel
Arduino due; hysteresis current control; pulse width modulation; power factor correction; total harmonic distortion; voltage unbalance

Artikel in diesem Heft

  1. Research Article
  2. Modelling a Disconnect Switch
  4. New Numerical Integration Methods for Simulation of Electromagnetic Transients
  5. Protection Systems and Earthing Schemes for Microgrids: Main Aspects and Fault Analysis
  6. Maxmize the House Roof PV Solar Output by Using Maximum Power Point Box (MPPB)
  7. Implementation of Single-Phase Two-Switch Midpoint Unidirectional Multilevel Converter System
  8. LIM Control Strategy Supported by Genetic Algorithm with Unbalanced AC Source
  9. Economical Feasibility of Photovoltaic Array Power Increase by Alternative Structures Inclusion
  10. Multi-Stage Optimal Placement of Branch PMU in Active Distribution Network
  11. Study on the Impacts of Uncertain Meteorological Parameters on Line Transmission Capacity
  12. A Buck-Boost DC/DC Converter with High Efficiency Suitable for Renewable Energies
  13. Smart Battery Charging Station for ElectricVehicle Using Half Bridge Power Converter
  14. Study on a Motor Bearing Fault Diagnosis Method Using Improved EWT Based on Scale Space Threshold Method
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