Determination of Limit Mode Parameters to Ensure Successful Resynchronization of Distributed Generation Units at Iron and Steel Works
DOI:
https://doi.org/10.14529/power160402Keywords:
distributed generation, separate work, resynchronization, resulting sustainabilityAbstract
Development of distributed generation units and complication of electric network configuration result in growing number of possible emergency modes of industrial power supply systems. The plant and some consumers switch to separate operation at short circuits of the power supply system or frequency drop in the supply network. After the damaged lines have been switched off, automatic resynchronization of the network node is required. The algorithm for calculating transient electromechanical processes in industrial power supply systems has been developed to investigate these emergency modes. Based on the above algorithm, the authors have elaborated a software package to explore these electromechanical modes. As switch to a separate operation is possible with various power supply and load configurations, the methods determining the limit power imbalances at the set time of automatic reconnection have been obtained. Experiments were carried out at the industrial power plant including different power generators that provide energy-intensive industrial load. Developed activities will increase sustainability of this power supply system. The proposed software package can be used as an advising tool for control engineers to increase mode management efficiency of auxiliary industrial power plants.
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