Results 41 to 50 of about 147,345 (296)
Improving the recognition of operating modes in intelligent electrical networks based on machine learning methods [PDF]
Digitalization in the power industry makes it possible to form in real time and accumulate large amounts of data about the state of connections, equipment at substations and the power system as a whole (currents, voltages, power, phase between current ...
Anton Loskutov +2 more
doaj +1 more source
The action characteristics of power system relay protection devices can well analyze whether the relevant actions are correct. An analysis method of relay protection action characteristics in power system based on fault recording data is designed.
Wen Guo, Xiaohu Hou
doaj +1 more source
In order to solve the problems of low automation degree of substation relay protection test and poor management of test reports, a test and control technology for protection device based on Edge IoT is proposed.
Yuanbo YE +4 more
doaj +1 more source
Function and role of bus bar protection relay in distribution substation
Bus bar of substations are important equipment where multiple facilities are centrally connected, and the impact of a fault is significant. Therefore, bus bar protection relays have unique functions to correctly detect the point of fault, which allows ...
Yukinari Matsuda, Takayuki Inui
semanticscholar +1 more source
THE RELAY PROTECTION SYSTEM OF THE 400 kV TRANSMISSION LINE
Tema ovog završnog rada je sustav relejne zaštite dalekovoda 400 kV. U završnom radu napravljeni su svi proračuni potrebni za podešenje uređaja relejne zaštite 400 kV dalekovoda RHE Velebit-Melina.
Ivančević, Duje
core +2 more sources
Modeling and Analysis of Incorrect Actions of Relay Protection Systems Based on Fault Trees
The safety of the power grid is threatened by incorrect action (IA) of relay protection system (RPS) resulting from defects, and even worsen a blackout. Currently, a large amount of data about IAs and defects in RPS are accumulated in operation. However,
Qian Chen +6 more
doaj +1 more source
Sample-Control-Device of Smart Substation
At present, smart substations adopt process-level equipment of "intelligent terminals and merging units". In this way, the merging unit cannot meet the basic requirement of "the damage of a single component inside the device cannot cause the protection ...
Xiaobo LI +4 more
doaj +1 more source
POSSIBILITY OF BUILDING MICROPROCESSOR RELAY PROTECTION DEVICES ON OPEN ARCHITECTURE
"The article analyzes the structure of relay protection devices of various designs. Based on the Unified Electric Power System of the Republic of Kazakhstan prediction on the electric energy balance the plan to increase the generation of electricity due to the commissioning of new capacities was revealed In addition, the international market of the ...
null A.V. Neftisov +4 more
openaire +1 more source
Often there are such modes of operation in the electric power systems where standard methods of relay protection and automation become insufficiently effective.
A. Kulikov, A. Loskutov, M. Mitrovic
semanticscholar +1 more source
Protection relay self-supervision study [PDF]
Tämän opinnäytetyön tavoitteena oli tutkia erään suojareleen itsevalvontaa ja sen toteutusta. Tähän työhön ei kuulunut muutosten tekeminen itsevalvontaan, vaan vain sen toteutuksen tutkiminen ja dokumentointi. Työ voidaan jakaa kolmeen eri kokonaisuuteen:
Vanhamäki, Juho
core

