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Exergoeconomic analysis of a pumped heat electricity storage system based on a Joule/Brayton cycle

Dietrich, Axel ; Dammel, Frank ; Stephan, Peter (2020)
Exergoeconomic analysis of a pumped heat electricity storage system based on a Joule/Brayton cycle.
In: Energy Science & Engineering, 9 (5)
doi: 10.1002/ese3.850
Article, Bibliographie

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Abstract

Storing electrical energy in the form of thermal energy, pumped heat electricity storage (PHES) systems are a location-independent alternative to established storage technologies. Detailed analyses, considering the transient operation of PHES systems based on commercially available or state-of-the-art technology, are currently not publicly accessible. In this work, numerical models that enable a transient simulation of PHES systems are developed using the process simulation software EBSILON(R) Professional. A PHES system based on a Joule/Brayton cycle is designed, considering commercially available and state-of-the-art components. Employing the developed models and an exergoeconomic analysis, the transient operation of the PHES system is simulated and evaluated. The analyzed PHES system reaches a round-trip efficiency of 42.9%. The exergoeconomic analysis shows that PHES systems have higher power-specific costs than established storage technologies. They can currently not be economically operated at the day-ahead market for Germany and Austria, which is predominantly resulting from high purchased equipment costs. However, PHES systems have the advantage of being location-independent.

Item Type: Article
Erschienen: 2020
Creators: Dietrich, Axel ; Dammel, Frank ; Stephan, Peter
Type of entry: Bibliographie
Title: Exergoeconomic analysis of a pumped heat electricity storage system based on a Joule/Brayton cycle
Language: English
Date: 22 December 2020
Publisher: Wiley
Journal or Publication Title: Energy Science & Engineering
Volume of the journal: 9
Issue Number: 5
DOI: 10.1002/ese3.850
Abstract:

Storing electrical energy in the form of thermal energy, pumped heat electricity storage (PHES) systems are a location-independent alternative to established storage technologies. Detailed analyses, considering the transient operation of PHES systems based on commercially available or state-of-the-art technology, are currently not publicly accessible. In this work, numerical models that enable a transient simulation of PHES systems are developed using the process simulation software EBSILON(R) Professional. A PHES system based on a Joule/Brayton cycle is designed, considering commercially available and state-of-the-art components. Employing the developed models and an exergoeconomic analysis, the transient operation of the PHES system is simulated and evaluated. The analyzed PHES system reaches a round-trip efficiency of 42.9%. The exergoeconomic analysis shows that PHES systems have higher power-specific costs than established storage technologies. They can currently not be economically operated at the day-ahead market for Germany and Austria, which is predominantly resulting from high purchased equipment costs. However, PHES systems have the advantage of being location-independent.

Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD)
16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD) > Analysis of Thermal Energy Systems
Exzellenzinitiative
Exzellenzinitiative > Graduate Schools
Exzellenzinitiative > Graduate Schools > Graduate School of Energy Science and Engineering (ESE)
Date Deposited: 22 Mar 2021 08:06
Last Modified: 08 Jan 2024 07:49
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