Zobrazeno 1 - 10
of 3 344
pro vyhledávání: '"Differential protection"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 29-36 (2024)
To address the issue of large data flow of 5G channel for differential protection of distribution lines, a 5G-based scheme for differential protection for distribution lines considering data flow control is proposed. This scheme optimizes transmiss
Externí odkaz:
https://doaj.org/article/096fb3b15a2b4869982e0b925cae3416
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 3-9 (2024)
DL/T 684—2012 Guide of Calculating Settings of Relay Protection for Large Generator Transformer (hereinafter referred to as the “2012 Guide”) has played a significant role in improving the correct operation rate of relay protection devices
Externí odkaz:
https://doaj.org/article/cb573ed22f604d1e99c0c194cff4a907
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 5, Pp 730-738 (2024)
The problem of differential protection maloperation caused by inrush current during no-load closing of transformer has not been completely solved so far. To solve this problem, a method using long short-term memory (LSTM) neural network to identify i
Externí odkaz:
https://doaj.org/article/f65d6fd48f3444fdb574fed7f58dd1ba
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110083- (2024)
Integrating large-scale renewable energy sources in modern power systems has altered fault characteristics, resulting in the performance degradation of conventional current differential protection. This paper proposes a novel high-sensitivity time-do
Externí odkaz:
https://doaj.org/article/936e192616114ab887b447cb5345be50
Publikováno v:
IEEE Access, Vol 12, Pp 58789-58800 (2024)
The development of offshore wind power is a crucial step in China’s energy transition and the achievement of carbon peaking and carbon neutrality goals. This paper first introduces a wireless communication technology for independent networking. Its
Externí odkaz:
https://doaj.org/article/39e7927c44ea4aabb81f7278e72e47bc
Publikováno v:
Праці Інституту електродинаміки Національної академії наук України, Vol 2024, Iss 67, Pp 22-29 (2024)
The means for calculation and selection of phase-differential protection settings of overhead lines of L60 microprocessor protections of the General Electric company in complex electrical networks up to 10,000 nodes was developed. This software allow
Externí odkaz:
https://doaj.org/article/26d7bbdb80464b9396470b21a6191ae5
Publikováno v:
Zhejiang dianli, Vol 43, Iss 3, Pp 8-18 (2024)
The fault characteristics of voltage source converter-based high voltage direct current (VSC-HVDC) transmission systems connected to offshore wind farms differ from those of conventional power systems. Consequently, there exists a potential ris
Externí odkaz:
https://doaj.org/article/adbd653879c24b7eaef29d52aab8fa4d
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 6, Pp 102731- (2024)
Direct current (DC) distribution systems play a crucial role in integrating various DC systems, renewable energy sources, and power loads. Single-ended protection methods are inadequate for ensuring high-speed selective protection due to the lack of
Externí odkaz:
https://doaj.org/article/aaeb0c2c54ba43db92d0ce4a907c0592
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 28, Iss 3 (2024)
This study presents a method to limit the functioning of the differential relay during the different operating conditions of an Indirect Symmetrical Phase Shift Transformer (ISPST). The proposed method depends on two thresholds; phase angle shift (PA
Externí odkaz:
https://doaj.org/article/473854e33f914120a8ebeee9f5bb8edd
Publikováno v:
IEEE Access, Vol 12, Pp 129404-129416 (2024)
This paper presents a wavelet-based differential protection algorithm for transmission lines. It uses restraint and operating components obtained with high-frequency components of a few kHz from instantaneous energy values of the real-time boundary s
Externí odkaz:
https://doaj.org/article/ec525e3228814358937219a5799dd295