Why is energy management system important in steel plant?
One important objective of the steel plant is to improve energy utilization efficiency and reduce energy costs while ensuring the completion of steel production plan . With the development of energy management system, it is possible to implement efficient load control and system operation of MEMG, which has drawn widespread attention .
How energy management affects steel production process?
Steel production is an energy-intensive industry with multiple types of energy involved. The by-product coal gases during manufacturing can also be reused for onsite power supply. Thus, the management of steel production process and the energy management of highly-DER-penetrated MEMG operation are mutually impacted.
What is steel plant based MEMG?
The structure of steel plant-based MEMG with steelmaking process. One important objective of the steel plant is to improve energy utilization efficiency and reduce energy costs while ensuring the completion of steel production plan .
How a steel plant is regarded as a large-scale flexible load?
The steel plant can be regarded as a large-scale flexible load where the flexibility can be achieved through the optimization of the steel manufacturing process. The steel production is divided into 7 single processes, and each process is comprised of raw material input, production output and intermediate storage.
What is Da Stage in steel production process?
Firstly, based on the predicted renewable energy output, the steel production process is scheduled weekly-ahead (WA) to meet the steel production quantity with consideration of MEMG operation. Then, DA stage optimizes the commitment of the CHP units and the energy transaction in the DA wholesale market with more accurate renewable energy output.
Why do steel plants switch to EAF?
From the production load patterns, as the increase of the carbon price, the steel plant decreases the output amount of the BF and BOF processes and switches to the EAF to reduce carbon emission. This is because the EAF mainly produces steel with the electricity power, showing an environmentally-friendly feature.
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