Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems

Solar generation has increased rapidly worldwide in recent years and it is projected to continue to grow exponentially. A problem exists in that the increase in solar energy generation will increase the probability of grid disturbances. This study focuses on analyzing the grid disturbances caused by...

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Main Authors: Esteban A. Soto, Lisa B. Bosman, Ebisa Wollega, Walter D. Leon-Salas
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Eng
Subjects:
Online Access:https://www.mdpi.com/2673-4117/3/2/18
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author Esteban A. Soto
Lisa B. Bosman
Ebisa Wollega
Walter D. Leon-Salas
author_facet Esteban A. Soto
Lisa B. Bosman
Ebisa Wollega
Walter D. Leon-Salas
author_sort Esteban A. Soto
collection DOAJ
description Solar generation has increased rapidly worldwide in recent years and it is projected to continue to grow exponentially. A problem exists in that the increase in solar energy generation will increase the probability of grid disturbances. This study focuses on analyzing the grid disturbances caused by the massive integration to the transmission line of utility-scale solar energy loaded to the balancing authority high-voltage transmission lines in four regions of the United States electrical system: (1) California, (2) Southwest, (3) New England, and (4) New York. Statistical analysis of equality of means was carried out to detect changes in the energy balance and peak power. Results show that when comparing the difference between hourly net generation and demand, energy imbalance occurs in the regions with the highest solar generation: California and Southwest. No significant difference was found in any of the four regions in relation to the energy peaks. The results imply that regions with greater utility-level solar energy adoption must conduct greater energy exchanges with other regions to reduce potential disturbances to the grid. It is essential to bear in mind that as the installed solar generation capacity increases, the potential energy imbalances created in the grid increase.
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spelling doaj.art-266c9023705b4f28a0ae928bad5832f22023-11-23T16:32:21ZengMDPI AGEng2673-41172022-04-013223625310.3390/eng3020018Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power SystemsEsteban A. Soto0Lisa B. Bosman1Ebisa Wollega2Walter D. Leon-Salas3Purdue Polytechnic Institute, Purdue University, West Lafayette, IN 47907, USAPurdue Polytechnic Institute, Purdue University, West Lafayette, IN 47907, USADepartment of Engineering, Colorado State University–Pueblo, Pueblo, CO 81001, USAPurdue Polytechnic Institute, Purdue University, West Lafayette, IN 47907, USASolar generation has increased rapidly worldwide in recent years and it is projected to continue to grow exponentially. A problem exists in that the increase in solar energy generation will increase the probability of grid disturbances. This study focuses on analyzing the grid disturbances caused by the massive integration to the transmission line of utility-scale solar energy loaded to the balancing authority high-voltage transmission lines in four regions of the United States electrical system: (1) California, (2) Southwest, (3) New England, and (4) New York. Statistical analysis of equality of means was carried out to detect changes in the energy balance and peak power. Results show that when comparing the difference between hourly net generation and demand, energy imbalance occurs in the regions with the highest solar generation: California and Southwest. No significant difference was found in any of the four regions in relation to the energy peaks. The results imply that regions with greater utility-level solar energy adoption must conduct greater energy exchanges with other regions to reduce potential disturbances to the grid. It is essential to bear in mind that as the installed solar generation capacity increases, the potential energy imbalances created in the grid increase.https://www.mdpi.com/2673-4117/3/2/18photovoltaic systemsgrid disturbancesenergy marketrenewable energy systems
spellingShingle Esteban A. Soto
Lisa B. Bosman
Ebisa Wollega
Walter D. Leon-Salas
Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
Eng
photovoltaic systems
grid disturbances
energy market
renewable energy systems
title Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
title_full Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
title_fullStr Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
title_full_unstemmed Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
title_short Analysis of Grid Disturbances Caused by Massive Integration of Utility Level Solar Power Systems
title_sort analysis of grid disturbances caused by massive integration of utility level solar power systems
topic photovoltaic systems
grid disturbances
energy market
renewable energy systems
url https://www.mdpi.com/2673-4117/3/2/18
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