Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions

Photovoltaic power plants are gaining in popularity and availability every year, resulting in a massive increase in their number and size. However, each such investment involves allocating large land areas, the cost of which may be high. For this reason, there has been an increasing interest in the...

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Main Authors: Konrad Sobolewski, Emilia Sobieska
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/10/4222
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author Konrad Sobolewski
Emilia Sobieska
author_facet Konrad Sobolewski
Emilia Sobieska
author_sort Konrad Sobolewski
collection DOAJ
description Photovoltaic power plants are gaining in popularity and availability every year, resulting in a massive increase in their number and size. However, each such investment involves allocating large land areas, the cost of which may be high. For this reason, there has been an increasing interest in the use of post-industrial wastelands in the form of artificial water reservoirs which often occupy large areas. Because their use as places of recreation can be dangerous for people, it is a cheap alternative for the foundation of a floating photovoltaic power plant. In addition, it has an advantage over the land version in that it is possible to produce a more significant amount of energy by using the sun’s rays reflected from the water’s surface. Despite these undeniable advantages, such a structure poses several technological challenges. This article focuses on the aspect of lightning protection, which is particularly important due to the structure’s location in the open, and also a specific ground type with noticeably different mechanical and electrical characteristics than typical soil. Aspects such as the lightning hazard, arrangement of lightning rods, down conductors, lightning equipotential bonding, and various earthing configurations are discussed. The presented analysis is based on geometric models and simulations made in the Ansys/Maxwell 3D environment and is supplemented with calculations in Matlab/Simulink.
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spelling doaj.art-7020fe3b5c5946db9965b2dad5808d532023-11-18T01:14:37ZengMDPI AGEnergies1996-10732023-05-011610422210.3390/en16104222Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample SolutionsKonrad Sobolewski0Emilia Sobieska1Faculty of Electrical Engineering, Warsaw University of Technology, 00-661 Warsaw, PolandFaculty of Electrical Engineering, Warsaw University of Technology, 00-661 Warsaw, PolandPhotovoltaic power plants are gaining in popularity and availability every year, resulting in a massive increase in their number and size. However, each such investment involves allocating large land areas, the cost of which may be high. For this reason, there has been an increasing interest in the use of post-industrial wastelands in the form of artificial water reservoirs which often occupy large areas. Because their use as places of recreation can be dangerous for people, it is a cheap alternative for the foundation of a floating photovoltaic power plant. In addition, it has an advantage over the land version in that it is possible to produce a more significant amount of energy by using the sun’s rays reflected from the water’s surface. Despite these undeniable advantages, such a structure poses several technological challenges. This article focuses on the aspect of lightning protection, which is particularly important due to the structure’s location in the open, and also a specific ground type with noticeably different mechanical and electrical characteristics than typical soil. Aspects such as the lightning hazard, arrangement of lightning rods, down conductors, lightning equipotential bonding, and various earthing configurations are discussed. The presented analysis is based on geometric models and simulations made in the Ansys/Maxwell 3D environment and is supplemented with calculations in Matlab/Simulink.https://www.mdpi.com/1996-1073/16/10/4222lightning protectionovervoltage protectionfloating photovoltaic power plantgroundingmodelingsimulations
spellingShingle Konrad Sobolewski
Emilia Sobieska
Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
Energies
lightning protection
overvoltage protection
floating photovoltaic power plant
grounding
modeling
simulations
title Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
title_full Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
title_fullStr Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
title_full_unstemmed Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
title_short Lightning Protection of Floating Photovoltaic Power Plants—Simulation Analysis of Sample Solutions
title_sort lightning protection of floating photovoltaic power plants simulation analysis of sample solutions
topic lightning protection
overvoltage protection
floating photovoltaic power plant
grounding
modeling
simulations
url https://www.mdpi.com/1996-1073/16/10/4222
work_keys_str_mv AT konradsobolewski lightningprotectionoffloatingphotovoltaicpowerplantssimulationanalysisofsamplesolutions
AT emiliasobieska lightningprotectionoffloatingphotovoltaicpowerplantssimulationanalysisofsamplesolutions