Thursday, March 28, 2019

Study of the Integration of District Heating and Cooling with an Electro-Thermal Energy Storage System

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Peak load levelling through peak shaving and valley lling is need of the hour in the electricity grid network. A reserve plant or a large scale electric energy storage plant could be the way out to handle the variable load situations. Though the reserve plants have its limitations and often increase the load on the transmission and grid system, rather than reducing the load during o peak hours. A novel technique of site-independent energy storage is studied in this thesis work, which do have more positives about balancing the electrical grid. While, pro tability of the energy storage is lie on very thin margins of peak and o peak hour spot electricity market price.

The considered thermal storage operates in a heat-pump mode during the charging period and in a thermal-engine mode during discharging period. The idea is to utilise the design concept to integrate with the district energy services, while competing with the conventional district services. The design modi cations has been evaluated based on the e ciency performance and the a pro tability study is performed.

List of Figures
List of Tables
1. Introduction
2. District Energy Systems
3. Analysis of the Frozen Design ETES
4. Integration of District Energy System with an Electro-Thermal Energy Storage (ETES)
5. Economics and Pro tability
6. Marginal Cost of Heating/Cooling Production
7. Conclusions and Future Work
A. Appendix

Author Details
"Anurag Kumar Sachan"

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