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Provisional Hybrid AC/DC Microgrid Planning

Mirzapour, Omid | 2018

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 51130 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Ehsan, Mehdi
  7. Abstract:
  8. Renewable energy deployment through distributed energy resources is among the central goals of future power systems. Microgrids have proven to be an economically viable soloution for distributed energy resources integration into power system and benefit the customers with uninterrupted power supply. In this context provisional microgrids have been introduced with the main goal of rapid renewable energy sources deployment. Since a considerable portion of renewable enegy resources as well as residential loads are DC and this portion is expected to grow even further, hybrid AC/DC design of provisional microgrids can improve both efficiency and economic benefit by optimal arrangement of AC/DC feeders an converters. This paper presents a planning model for hybrid provisional microgrids which is streamlined for decomposition. Due to several intrinsic uncertainties involved in provisional microgrid operation, robust optimization is applied to the problem to ensure optimality under worst-case conditions. Energy storage system is further added to the microgrid to cope with renewable energy resource’s volatility. Results indicate economic benefit of hybrid provisional microgrid compared to provisional microgrid and independent microgrid. Several sensitivity analyses are carried out in order to identify critical factors in planning problem
  9. Keywords:
  10. Direct Current Microgrid ; Uncertainty ; Microgird Planning ; Renewable Energy Resources ; Robust Optimization ; Hybrid Alternative current-Direct current (AC-DC)Microgrid ; Provisional Microgrid

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