Power-to-X (PtX) technologies are accelerating the energy transition. Increasingly, these technologies are also being leveraged as flexible energy resources to support the electrical grid. PtX models are often represented using a constant efficiency term as a linear relation between the power input and energy output. However, the operational performance of any PtX device such as an electrolyser or an electric heat pump can depend on factors such as operational temperature. In this paper, we have developed and analyzed two levels of model fidelity of the most widely assessed PtX technologies: electrolyser and heat pump systems. We assess the impact of detailed models on operation of PtX within simulation-based energy system analysis. Our results show that for electrolyser systems, the efficiency errors can be almost 0.6%. With heat pump systems, the difference in COP can be as high as 1.4.
|Title of host publication||2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022|
|Number of pages||5|
|Publication status||Published - 2022|
|Event||2022 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT) - New Orleans, United States|
Duration: 24 Apr 2022 → 28 Apr 2022
|Name||2022 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2022|
|Conference||2022 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)|
|Abbreviated title||ISGT 2022|
|Period||24/04/22 → 28/04/22|
Bibliographical noteGreen Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
- heat pump
- model fidelity
- power to x
- temperature dynamics