Results 31 to 40 of about 3,767 (209)

Digital protection of electrical equipment in railway transport [PDF]

open access: yesE3S Web of Conferences, 2023
In this scientific study, an analysis of the modernization of the digital protection of AC traction substation electrical equipment in operation, in particular power transformers, the implementation of the basic provisions for the implementation of ...
Turdibekov Komolbek   +2 more
doaj   +1 more source

Improvement of algorithms for voltage circuits fault detection in relay protection terminal of 6-35 kV electrical networks [PDF]

open access: yesE3S Web of Conferences, 2019
Issues of increase of consumer power supply reliability by prevention of protection device false operation and unreasonable tripping of the protected network element at malfunction of measuring voltage transformer secondary circuits are considered ...
Vukolov Vladimir   +2 more
doaj   +1 more source

CHECKING OPERATE CORRECTLY OVERCURRENT TRANSMISSION LINES WITH TEST SET OMICRON CMC 356

open access: yesВестник Северо-Кавказского федерального университета, 2022
In this scientific article studied the use of measuring software and hardware complex OMICRON CMC 356 to verify the functioning of the current protections that are part of the digital microprocessor relay protection and automation «BMRZ-DZ».
Dmitriy Oleynikov   +6 more
doaj  

Improvement of Algorithm for Formation of Orthogonal Components of Input Quantities in Microprocessor Protection

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021
The use of orthogonal components (OC) underlies  the construction of measuring elements of  modern protection and automation devices. In most microprocessor-based protections, the orthogonal component of the input signal is extracted using a discrete ...
F. A. Romaniuk   +3 more
doaj   +1 more source

MICROPROCESSOR BASED PROTECTIVE RELAYING

open access: yesKhulna University Studies, 2000
Protective relaying using microprocessors is becoming popular mainly due to it's speed and reliability. In this paper, protection against overheating of a reactor has been designed and discussed.The Intel 8088 microprocessor has been used and the program has been designed in Turbo C language.
Md. Shamsur Rahman Chowdhury   +1 more
openaire   +1 more source

DEVICE FOR DETERMINING THE VALUE OF THE STEADY-STATE ELECTRICITY IN THE PRIMARY CIRCUIT USING A REED SWITCH AND A MICROPROCESSOR

open access: yesScientific Journal of Astana IT University, 2021
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  

Assessing the reliability of adaptive power system protection schemes

open access: yes, 2012
Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Burt, Graeme   +3 more
core   +1 more source

Design of pedestrian monitoring and protection system of continuous shearer

open access: yesGong-kuang zidonghua, 2018
In view of potential safety hazards of accidentally injuring pedestrians during operation process of conveyor at the back of continuous shearer, a pedestrian monitoring and protection system of continuous shearer based on infrared thermal imaging was ...
HUANG Limin   +3 more
doaj   +1 more source

Microprocessor protection relays: new prospects or new problems?

open access: yes, 2006
The internal architecture and principles of operation of microprocessor-based devices including so-called "microprocessor protective relays" have little in common with devices called "electric relays".
Gurevich, Vladimir
core   +2 more sources

Reducing the Impact of the Frequency Change on the Formation of Orthogonal Components of the Relay Protection Input Signals

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
Digital filters made with the use of discrete Fourier Transform are applied in most microprocessor protections produced both in the home country and abroad.
E. A. Romaniuk   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy