Zobrazeno 1 - 10
of 2 466
pro vyhledávání: '"Relay protection"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 10, Pp 114-123 (2024)
To achieve simple and reliable single-phase grounding fault protection on the AC side of VSC-HVDC systems， this paper focuses on systems where the neutral point of the converter valve's AC side is impedance-grounded. The zero-sequence fundamental c
Externí odkaz:
https://doaj.org/article/93fd5df077544be08df1b9b4542a59e6
Publikováno v:
发电技术, Vol 45, Iss 4, Pp 753-764 (2024)
ObjectivesWith the widespread integration of renewable energy, the uncertainty of power flow in distribution networks with neutral points grounded through small resistors has made the setting of traditional three-stage current protection increasingly
Externí odkaz:
https://doaj.org/article/56bef26f07264bd3aa863fc4cb9a82be
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 7, Pp 739-755 (2024)
Abstract Current transformers (CTs) are widely used for energy metering, relay protection, condition monitoring and control circuits. However, CT saturation may lead to non‐negligible measurement errors and relay malfunctions, posing a threat to th
Externí odkaz:
https://doaj.org/article/18e6bcaa978a4ba793c6a9ef1d29aeac
Publikováno v:
Омский научный вестник, Vol 2 (190), Pp 87-98 (2024)
The paper raises a variant of architecture of realization of logical line protection on the basis of implementation of modern technologies. The idea of development and implementation of digital substations, the core of which is the application of I
Externí odkaz:
https://doaj.org/article/f4ce501c0ac74cb19a0e34198e4aebdc
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 5, Pp 739-746 (2024)
How to make full use of existing information to improve the accuracy of fault diagnosis in distribution networks, and provide accurate research and judgement for emergency repair of distribution networks, is an urgent problem to be solved. To address
Externí odkaz:
https://doaj.org/article/21fb0441c9f640a7abb2ab98e52803b6
Publikováno v:
Zhejiang dianli, Vol 43, Iss 4, Pp 105-112 (2024)
Relay protection devices contain numerous electronic components， and environmental factors such as temperature， humidity， and vibration can impact their reliability. Addressing the complex dynamic changes in temperature stress experienced by pr
Externí odkaz:
https://doaj.org/article/b4662c9fd2e449319875d51f2b4df17d
Publikováno v:
电力工程技术, Vol 43, Iss 2, Pp 113-123 (2024)
With the continuously challenges of energy and environmental, the development of distributed power generation technologies focused on renewable energy is rapidly advancing. Microgrid based on inverter power source is the important form of distributed
Externí odkaz:
https://doaj.org/article/6a59c8002ba24fbbb7d263ac1c829c0d
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 4, Pp 767-778 (2024)
Abstract Power transformers play a critical role in the performance of power systems. This equipment is costly due to significant copper and iron prices and manufacturing costs. Therefore, maintenance and protection of such equipment is essential. De
Externí odkaz:
https://doaj.org/article/25bc6a54956f415ca1b89a87d2791103
Publikováno v:
Bakar, Vol 49, Iss 1, Pp 41-58 (2024)
The aim of the paper is to present the method of implementing and using relay protection with a special emphasis on microprocessor relay protection in Electric power distribution Kruševac, and based on the presented concrete examples of settings and
Externí odkaz:
https://doaj.org/article/ecbb96b1274e43a7ae03c1ac206608cd
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 548-561 (2024)
To ensure their sound and continuous operation to the greatest extent, VSC-based DC girds have extremely stringent requirements for transmission line relay protection. In terms of guaranteeing their reliability, accurate identification of lightning s
Externí odkaz:
https://doaj.org/article/186d3ce8011841fa9b800373341e3eeb