Enhancing grid stability in PV systems: A novel ramp rate control method utilizing PV cooling technology

Iwabuchi, Koki; Watari, Daichi; Zhao, Dafang et al.

Applied Energy, 2025, 378(A), 124737

Number of Access:492（2025-09-03 07:55 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/98599

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Title
Enhancing grid stability in PV systems: A novel ramp rate control method utilizing PV cooling technology
Creator
CreatorName
Iwabuchi, Koki
CreatorName
Watari, Daichi
NRID
1000010986962 1000010986962
researchmap permalink
zhaodafang zhaodafang
ORCID
0000-0001-8107-4260 0000-0001-8107-4260
Scopus Author ID
57315020300 57315020300
CreatorName
Zhao, Dafang
NRID
1000040551453 1000040551453
ORCID
0000-0002-7843-5907 0000-0002-7843-5907
researchmap permalink
ittetsu ittetsu
Scopus Author ID
23013657500 23013657500
CreatorName
Taniguchi, Ittetsu
CreatorName
Catthoor, Francky
NRID
1000060252590 1000060252590
researchmap permalink
read0096872 read0096872
CreatorName
Onoye, Takao
Subject
Power grids
Power ramp rate control
PV cooling
PV systems
Description
Iwabuchi K., Watari D., Zhao D., et al. Enhancing grid stability in PV systems: A novel ramp rate control method utilizing PV cooling technology. Applied Energy 378, 124737 (2025); https://doi.org/10.1016/j.apenergy.2024.124737.
Abstract
Rapid fluctuations in solar irradiation lead to significant variability in PV power output. Traditional ramp rate control methods use battery energy storage systems to smooth power outputs and provide a more consistent supply to the grid. However, these methods require high initial costs and substantial maintenance. In this study, we propose a novel method for controlling PV power output ramp rates using cooling technology, which is essential to stabilize grid operations and ancillary services. The proposed method adjusts power generation efficiency in real-time by controlling PV panel temperature, leveraging their thermoelectric properties. The effectiveness of our method was validated by simulation based on real-world data, which showed reductions in mean and maximum ramp rates of 43.5% and 76.2%, respectively, compared to traditional battery storage solutions. Notably, these improvements were achieved with a cooling unit having a coefficient of performance of less than 10 and a minimal battery capacity of 20 kWh, highlighting the efficiency of the method and its potential to significantly lower system costs and environmental impacts compared to traditional control strategies.
Publisher
Elsevier Ltd
Source Title
Applied Energy
Volume (Issue)
378(A)
Page
124737
Date of Issued
2025-01-15
Language
English
Handle URL
https://hdl.handle.net/11094/98599
PISSN
03062619
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1016/j.apenergy.2024.124737
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article