Zobrazeno 1 - 10
of 155
pro vyhledávání: '"Atthapol Ngaopitakkul"'
Development of overcurrent relay based on wavelet transform for fault detection in transmission line
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This study proposes a protection relay using a microcontroller to detect and classify faults in transmission lines based on the wavelet transform. An experimental model was constructed from an actual 115 kV transmission system prototype. The
Externí odkaz:
https://doaj.org/article/bdc47e5ddc7743238c4913fcd65daa6c
Autor:
Pathomthat Chiradeja, Santipont Ananwattanaporn, Praikanok Lertwanitrot, Atthapol Ngaopitakkul, Anantawat Kunakorn
Publikováno v:
IEEE Access, Vol 12, Pp 65287-65297 (2024)
This study proposes a protection relay using a microcontroller to detect and classify faults in transmission lines based on the Wavelet transform. An experimental model was constructed from an actual 115 kV transmission system prototype. The current
Externí odkaz:
https://doaj.org/article/34aacbdcbdc6413781623e7204b2233d
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 21, Pp 4810-4825 (2023)
Abstract The protection of traditional high‐voltage capacitor banks relies on an unbalance relay which operates when an internal fuse is blown. However, the unbalance relay cannot indicate the cause of the fault. Thus, an operator wastes time and h
Externí odkaz:
https://doaj.org/article/150b992b031b4050b5444ff0bd7cdac9
Autor:
Surakit Thongsuk, Atthapol Ngaopitakkul, Wikorn Kotesakha, Monthon Leelajindakrairerk, Chaichan Pothisarn, Suntiti Yoomak
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 48-54 (2023)
The distribution system has been constantly expanded with rising load demand due to population and economic growth. The result is a distribution line facing a voltage drop issue voltage drop, which results from increasing interconnected load and the
Externí odkaz:
https://doaj.org/article/e9601f7a26834589949b7bf272d20af5
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract Power transformers are important equipment in power systems and require a responsive and accurate protection system to ensure system reliability. In this paper, a fault location algorithm for power transformers based on the discrete wavelet
Externí odkaz:
https://doaj.org/article/42962f41b2884ec78c901d89c2ca5f95
Publikováno v:
IET Electrical Systems in Transportation, Vol 13, Iss 1, Pp n/a-n/a (2023)
Abstract In the urban society of Thailand, most people use motorcycles for travelling because they can meet the manoeuvrability of travelling in short distances and save energy compared to using a car. Many people are switching to electric motorcycle
Externí odkaz:
https://doaj.org/article/d7b1dc31688f4956979a207481857912
Publikováno v:
Heliyon, Vol 9, Iss 3, Pp e14589- (2023)
The protection of traditional high voltage capacitor banks relies on an unbalance relay which operates when an internal fuse is blown. However, the unbalance relay cannot indicate cause or position of the fault. Thus, an operator wastes time and huma
Externí odkaz:
https://doaj.org/article/0eeffc6ca051459f8eff72a50cb99645
Publikováno v:
IEEE Access, Vol 10, Pp 80609-80622 (2022)
This paper proposes three techniques for locating lightning strikes in a 115 kV transmission system over 88.5 km, based on the arrival time of a transient wave obtained from a discrete wavelet transform (DWT). The first technique calculates the locat
Externí odkaz:
https://doaj.org/article/4278a3e6a2b64223b6f08469d7d87b33
Publikováno v:
IEEE Access, Vol 10, Pp 86765-86781 (2022)
The protection of conventional high voltage capacitor banks relies on an unbalance relay. However, investigating the faults requires time and human resources. To address this issue, the characteristics of system parameters were analysed in this study
Externí odkaz:
https://doaj.org/article/92c2ccd806b84649a63af00132841e89
Publikováno v:
IEEE Access, Vol 9, Pp 35709-35717 (2021)
Identification of fault locations in capacitor banks is still under development. Although, faults in capacitor banks can be detected by an unbalance relay, it cannot identify the fault location. To address this issue, this study proposes an algorithm
Externí odkaz:
https://doaj.org/article/eb4aae8fbe1b45b9ac8bef16689a484f