An Adaptive Power Sharing Control for Management of DC Microgrids Powered by Fuel Cell and Storage System

Author(s)

de Aguiar, Cassius Rossi ^[1] ; Fuzato, Guilherme Henrique Favaro ^[2] ; Machado, Ricardo Quadros ^[3] ; Guerrero, Josep M. ^[4]

Affiliation

^[1] Univ Tecnol Fed Parana, Dept Comp Engn, BR-85902490 Toledo - Brazil

^[2] Fed Inst Educ Sci & Technol Sao Paulo, BR-01109010 Campinas - Brazil

^[3] Univ Sao Paulo, Sao Carlos Sch Engn, BR-13566590 Sao Carlos - Brazil

^[4] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg - Denmark

• Document type: Journal article
• Source: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS; v. 67, n. 5, p. 3726-3735, MAY 2020.
• Web of Science Citations: 0

Abstract

This paper presents an adaptive power-sharing methodology for management of dc microgrids powered by fuel cell (FC) and storage system (SS). In this context, the use of an adaptive k-sharing function in the control scheme is proposed to compensate the fast transients on the ac side and manage the power sharing at steady-state regime between the FC and SS. The adaptive k-sharing is implemented with a low-pass filter transfer function for the FC and a complementary transfer function associated with the adaptive k-sharing gain for the SS. The proposed adaptive k-sharing function links the FC and the SS dynamics with the management of the dc microgrid, ensuring that the entire FC operation is performed in accordance with its operational limits. One of the main advantages of the proposed adaptive k-sharing is to reach high levels of stability and minimum disruptions on the FC terminals. To evaluate the feasibility of the proposed approach, we analyze the k-sharing behavior to determine the operational limits of the dc microgrid. Finally, to support the theoretical analysis, we carried out a set of experimental results. (AU)

• FAPESP's process: 16/25017-1 - Measurement-Based Control and Its Applications
• Grantee: Vilma Alves de Oliveira
• Support Opportunities: Regular Research Grants
• FAPESP's process: 13/09788-0 - OPERATION AND CONTROL OF PEM FUEL CELL IN DISTRIBUTED GENERATION SYSTEMS CONNECTED TO THE GRID
• Grantee: Cassius Rossi de Aguiar
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 12/12770-2 - integration of alternative sources system connected to the grid
• Grantee: Renan Fernandes Bastos
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 13/20721-4 - Sistem for interconection of distributed generators to the grid: sintesis of micro grids
• Grantee: Ricardo Quadros Machado
• Support Opportunities: Regular Research Grants
• FAPESP's process: 16/21120-2 - Tuning an adaptive PID controller obtained via linear optimization with constraints and pointwise Thévenin equivalent
• Grantee: Rafael Fernando Quirino Magossi
• Support Opportunities: Scholarships in Brazil - Master