Integrating Biogas Plants into Microgrids for Bridging Temporary Power Supply Interruptions

Renewable energies thus far have not become a part of a grid restoration process. By building small island grids after a blackout, renewable energies can be integrated into the grid restoration process. Bioenergy‐based power plants have some importance for the supply of such island grids because of...

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Bibliographic Details
Published in:Chemical engineering & technology 2019-05, Vol.42 (5), p.1078-1087
Main Authors: Kirchner, Dirk, Thrän, Daniela
Format: Article
Language:English
Subjects:
Alternative energy sources
Biogas
Biogas plant loads
Blackout
Controllability
Distributed generation
Electric power grids
Electric power supplies
Electrical loads
Energy management
Grid restoration process
Microgrid
Off‐grid energy systems
Power plants
Renewable energies
Renewable energy
Restoration
Stability
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Summary:Renewable energies thus far have not become a part of a grid restoration process. By building small island grids after a blackout, renewable energies can be integrated into the grid restoration process. Bioenergy‐based power plants have some importance for the supply of such island grids because of their high degree of reliability and controllability. Modern bioenergy plants have electrical loads within a specific kW range, which can be partially used in demand‐side management. A concept for the control structure of off‐grid energy systems with a demand‐side management using a microgrid of a farm supplied by a biogas plant as an example is presented. For the integrability of electrical loads of the biogas plant into the energy management system of the microgrid, an off‐grid control procedure has been designed. Until now, renewable energies have not become a part of a grid restoration process. They can be integrated into such process by building small island grids after a blackout. The usability of loads of a biogas plant for demand‐side management and a control architecture for the integration of the bioenergy‐based microgrid are described on the example of the microgrid of a farm with a biogas plant.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.201800154