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Design and Implementation of Three Phase Regenerative Electronic AC Load

Aminyan, Diar | 2020

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 52930 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Zolghadri, Mohammd Reza
  7. Abstract:
  8. Three-phase electronic loads are used to test the performance of various electrical devices such as power supplies, generators, and transformers. Conventional electronic loads are composed of passive components that consume the energy, so have low power density and efficiency and to manage the produced heat, massive cooling systems are required. Nowadays, to increase efficiency and power density, three-phase regenerative electronic AC loads have been developed. To return energy to the grid and control the input power factor, the structure of these loads is based on back-to-back converters. In this project, a 35 kVA three-phase regenerative electronic AC load is designed. To control the power factor, the input section includes a three-phase six-switches افزاینده rectifier, and the output section includes a three-phase gird connected inverter for regenerating energy. For both input and output section, the space vector pulse width modulation control strategy in a d-q rotary reference is proposed and its performance have been investigated using simulation results in various operating modes. A low power sample is then made from the electronic load of input section and the proposed control algorithm is tested. The results of practical tests and simulation results confirm the performance of the suggested structure as a three-phase regenerative electronic AC load
  9. Keywords:
  10. Rectifiers ; Energy Regeneration ; Back-to-Back Converter ; Alternative Current Load Flow ; Three Phase Inverter ; Three Phase Electronic Loads ; Grid Connected Inverter

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