Analysing integration issues of the microgrid system with utility grid network
-
Mulualem Tesfaye
,
Om Prakash Mahela
Abstract
Generation of renewable energy sources and their interfacing to the main system has turn out to be most fascinating challenge. Renewable energy generation requires stable and reliable incorporation of energy to the low or medium voltage networks. This paper presents the microgrid modeling as an alternative and feasible power supply for Institute of Technology, Hawassa University, Ethiopia. This microgrid consists of a 60 kW photo voltaic (PV) and a 20 kW wind turbine (WT) system; that is linked to the electrical distribution system of the campus by a 3-phase pulse width modulation scheme based voltage source inverters (VSI) and supplying power to the university buildings. The main challenge in this work is related to the interconnection of microgrid with utility grid, using 3-phase VSI controller. The PV and WT of the microgrid are controlled in active and reactive power (PQ) control mode during grid connected operation and in voltage/frequency (V/F) control mode, when the microgrid is switched to the stand-alone operation. To demonstrate the feasibility of proposed microgrid model, MATLAB/Simulink software has been employed. The performance of fully functioning microgrid is analyzed and simulated for a number of operating conditions. Simulation results supported the usefulness of developed microgrid in both mode of operation.
Funding source: Villum Fonden
Award Identifier / Grant number: 25920
Funding source: Center for Research on Microgrids (CROM)
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported by Villum Fonden under the VILLUM Investigator Grant (no. 25920): Center for Research on Microgrids (CROM); www.crom.et.aau.dk.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Research on intelligent substation monitoring by image recognition method
- Design optimization of permanent magnet synchronous motor using Taguchi method and experimental validation
- Performance analysis of shunt active filter for harmonic compensation under various non-linear loads
- A neural network approach to detect winding faults in electrical machine
- Adaptive relay settings for distribution network with distributed generation (DG) using Sugeno fuzzy inference
- Research on fault clearing scheme for half-bridge modular multilevel converters high voltage DC based on overhead transmission lines
- A comparative study of the speed control of an IM–based flywheel energy storage system using PI–DTC and RFOC strategies
- Energy management of a microgrid using demand response strategy including renewable uncertainties
- Solar powered battery charging scheme for light electric vehicles (LEVs)
- Analysing integration issues of the microgrid system with utility grid network
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Research on intelligent substation monitoring by image recognition method
- Design optimization of permanent magnet synchronous motor using Taguchi method and experimental validation
- Performance analysis of shunt active filter for harmonic compensation under various non-linear loads
- A neural network approach to detect winding faults in electrical machine
- Adaptive relay settings for distribution network with distributed generation (DG) using Sugeno fuzzy inference
- Research on fault clearing scheme for half-bridge modular multilevel converters high voltage DC based on overhead transmission lines
- A comparative study of the speed control of an IM–based flywheel energy storage system using PI–DTC and RFOC strategies
- Energy management of a microgrid using demand response strategy including renewable uncertainties
- Solar powered battery charging scheme for light electric vehicles (LEVs)
- Analysing integration issues of the microgrid system with utility grid network
