Results 1 to 10 of about 3,526 (115)
Research on the method of constructing a knowledge map of relay protection device faults oriented to textual features [PDF]
In recent years, science and technology have been developing at a high speed, and the new generation of information technology featuring digitization, networking and intelligence has been increasingly innovative and breakthrough, pushing the whole ...
Wang Kui +3 more
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Relay Protection Device Reliability Assessment Through Radiation, Fault Injection and Fault Tree Analysis. [PDF]
Zhou H +6 more
europepmc +2 more sources
In view of the fact that the actual operation information of sub-station relay protection device and the point table information of relay protection fault information system are still manually point-by-point proof reading.
Dongliang Nan +5 more
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A coordinated relay protection strategy of distribution network based on fault current limiting
In order to solve the problem of difficult coordination of traditional overcurrent relay protection caused by short supply radius and little difference of fault current along urban distribution network, a coordinated relay protection strategy based on ...
Qingpeng Zeng +5 more
doaj +1 more source
Protection Coordination Index Assessment Using Fuzzy Logic Controller
This paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection coordination index is an indicator of how properly the equipment is protected by protective relay ...
Choong-Koo Chang +1 more
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Research of the system-on-chip-based relay protection technology
The relay protection device is the core equipment that ensures the safe and stable operation of a power grid. With the open access of a large number of distributed generation, DC transmission and electric vehicles, a new deep low-carbon power system ...
Xiaobo Li, Wei Xi, Yang Yu, Hao Yao
doaj +1 more source
This article discusses an innovative device designed to determine the value of the steady-state current in the primary circuit of electrical installations using reed switches and a microprocessor without the use of current transformers.
A. Neftisov, O. Talipov, O. Andreeva
doaj +1 more source
Current microprocessor-based relay protection and automation (RPA) devices supported by IEC 61850 provide access to a large amount of information on the protected or controlled electric power facility in real time.
Aleksandr Kulikov +2 more
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New concept of microprocessor protective devices design [PDF]
Transition from electromechanical to digital protective relays is accompanied with serious technical problems. The author offers a new approach in designing the digital relays capable of solving these problems.
Gurevich Vladimir
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Adjustment Factor Model of Relay Protection Equipment Failure Rate Based on Data Fitting
Analyzing the impact of equipment maintenance on the failure rate of relay protection equipment is helpful to the formulation of relay protection equipment maintenance plans and the realization of long-term stable and reliable operation of the power grid.
Huping YANG +5 more
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