Lightning Transients in Wind Turbines: A Study on How to Segmentize the Tower, Blades, and Grounding Rods

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F24%3A10257053" target="_blank" >RIV/61989100:27240/24:10257053 - isvavai.cz</a>

Výsledek na webu

<a href="https://ieeexplore.ieee.org/document/10595506" target="_blank" >https://ieeexplore.ieee.org/document/10595506</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/TIA.2024.3426470" target="_blank" >10.1109/TIA.2024.3426470</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Lightning Transients in Wind Turbines: A Study on How to Segmentize the Tower, Blades, and Grounding Rods

Popis výsledku v původním jazyce

Segmenting Wind Turbine&apos;s (WT) tower and blades has been widely used to increase the accuracy of lightning transient simulations. However, the impact of segmentation on precision and the optimal number of segments required for a specific accuracy level have not been thoroughly investigated. In this paper, at first, a formulation for calculating the characteristic impedance of blades&apos; down conductors is analytically derived and verified based on the experimental data. Then, the electrical parameters of the WT&apos;s blades, as nonuniform transmission lines, are accurately calculated. A comprehensive analysis is then performed to examine how the number of segments in WT&apos;s blades, tower, and grounding systems affects transient voltages and currents created by lightning strikes. The investigation focuses on assessing the effects of the number of segments in terms of the generated overvoltage across various components, the Ground Potential Rise (GPR) values, and the energy absorbed by Surge Arresters (SA). The numerical studies reveal that the quantity of segments for each component significantly influences the outcomes of the lightning strike. For instance, the number of tower&apos;s segments mostly affects the overvoltage at the generator&apos;s terminal, while the number of ground&apos;s horizontal rod segments has the most impact on GPR. This study provides valuable insights into tailoring segmentation strategies for WT components, paving the way for more effective lightning protection simulation and design.

Název v anglickém jazyce

Lightning Transients in Wind Turbines: A Study on How to Segmentize the Tower, Blades, and Grounding Rods

Popis výsledku anglicky

Segmenting Wind Turbine&apos;s (WT) tower and blades has been widely used to increase the accuracy of lightning transient simulations. However, the impact of segmentation on precision and the optimal number of segments required for a specific accuracy level have not been thoroughly investigated. In this paper, at first, a formulation for calculating the characteristic impedance of blades&apos; down conductors is analytically derived and verified based on the experimental data. Then, the electrical parameters of the WT&apos;s blades, as nonuniform transmission lines, are accurately calculated. A comprehensive analysis is then performed to examine how the number of segments in WT&apos;s blades, tower, and grounding systems affects transient voltages and currents created by lightning strikes. The investigation focuses on assessing the effects of the number of segments in terms of the generated overvoltage across various components, the Ground Potential Rise (GPR) values, and the energy absorbed by Surge Arresters (SA). The numerical studies reveal that the quantity of segments for each component significantly influences the outcomes of the lightning strike. For instance, the number of tower&apos;s segments mostly affects the overvoltage at the generator&apos;s terminal, while the number of ground&apos;s horizontal rod segments has the most impact on GPR. This study provides valuable insights into tailoring segmentation strategies for WT components, paving the way for more effective lightning protection simulation and design.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

IEEE Transactions on Industry Applications

ISSN

0093-9994

e-ISSN

1939-9367

Svazek periodika

60

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

7303-7313

Kód UT WoS článku

001319511900049

EID výsledku v databázi Scopus

2-s2.0-85198324648