Lightning‐Induced Overvoltage on Overhead Distribution Line via Hybrid MTL‐PEEC Method
High VoltageTransient simulation are more economical and adaptable means of studying lightning overvoltage for overhead distribution line system compared to experiments. A hybrid multi‐transmission‐line (MTL)‐partial element equivalent circuit (PEEC) method proposed
Runyu Fu +7 more
doaj +3 more sources
Study on lightning overvoltage and commutation failure in UHV AC/DC hybrid system
The Journal of Engineering, 2019 Due to the high UHV AC/DC transmission line tower, the working voltage amplitude on the wire is large, causing lightning accidents. The paper first analyses the impact of lightning strike point on lightning overvoltage of 1000 kV UHV transformer ...
Shengwei Fang +4 more
doaj +2 more sources
Electrical Performance of Polymer-Insulated Rail Brackets of DC Transit Subjected to Lightning Induced Overvoltage. [PDF]
Materials (Basel), 2021 Abd Rahman FA +3 more
europepmc +3 more sources
Study of Atmospheric Discharge Effects in Distribution Networks with a Novel Residential Buildings Protection Approach [PDF]
Advances in Engineering and Intelligence Systems, 2023 Lightning-induced overvoltage poses a significant threat to electrical equipment and building structures. This study aims to comprehensively investigate lightning overvoltage in low voltage distribution lines under different scenarios, including ...
Meisam Karami, Yazdan Ashgevari
doaj +1 more source
Mitigation of Lightning Overvoltages Using STATCOM in Grid-Connected PV Systems [PDF]
Port Said Engineering Research Journal, 2020 Lightning strike causes a large lightning voltage injection into grid-connected PV systems at the point between inverter and transformer. The overvoltage resulting from the lightning-impulse voltage is a major concern for the multiple expensive ...
ibrahim hamdeen +2 more
doaj +1 more source
Evaluation of lightning overvoltage at neutral point of HVDC converter transformer based on EMTP
Energy Reports, 2022 In order to ensure the safe and stable operation of high voltage direct current (HVDC) systems, this paper studies the lightning overvoltage at the neutral point of the HVDC converter transformer.
Zhe Hu +4 more
doaj +1 more source
Lightning-Induced Overvoltages Transferred Through Distribution Power Transformers
IEEE Transactions on Power Delivery, 2009 This paper deals with the calculation of lightning-induced overvoltages on medium-voltage (MV) and low-voltage (LV) distribution networks taking into account the presence of MV-LV distribution transformers and, in particular, the surge transfer through them.
BORGHETTI, ALBERTO +4 more
openaire +4 more sources
Insulator fault feature extraction system of substation equipment based on machine vision
IET Networks, EarlyView., 2022 Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang +4 more
wiley +1 more source
Research on Resonance Overvoltage of EHV Transmission Lines Caused by Lightning Strike
IEEE Access, 2021 This paper studies the mechanism and influencing factors of resonance overvoltage of EHV transmission lines caused by lightning. By analyzing the time domain steady state of the simplified resonance circuit, the physical mechanism of resonance is ...
Xiao Lei +5 more
doaj +1 more source
Frontiers in Energy Research, 2022 As natural lightning strikes on a transmission tower, lightning current will flow along grounding lines into the adjacent tower grounding grid. As lightning current is dispersed from the tower grounding grid into the soil, a lightning overvoltage may be ...
Shangmao Hu +6 more
doaj +1 more source