Modern Circuit Breaker Protection and Control
Breaker protection and control architecture. Modern microprocessor-based relay protection and automation devices. Notion of intelligent electronic devices. Advanced breaker protection and control diagnostic. Blocking functions in breaker protection.
Подобные документы
General characteristics of the main types of relay protection. Analysis of the causes of accidents that can damage technical equipment or lead to the death of service personnel. Acquaintance with the features of the formation of relay protection.
статья, добавлен 15.01.2021Design of multi-input devices of relay protection and automatics on the basis of the structural linguistic method. The development of the steady-state devices in the conditions of variety of input meaningful situations. Methods of improvement of CAD.
статья, добавлен 09.09.2016The problem of mass application of protection against single-phase earth faults. The main factors affecting the operation of earth fault protection. Zero sequence protection against higher harmonic currents. Limitations of devices with higher harmonics.
статья, добавлен 15.01.2021Setting relay protection operate areas and blockings, summarizing settings calculation algorithm. Concept subspace aggregate as real or complex signal. Unconventional approach to data conversion and overcoming opposition of а- and b-conditions.
статья, добавлен 08.05.2013Analysis of progress of complexes of local emergency control automation. Hardware and software of modern complexes of ECA. Algorithms of emergency control automation. Digital input/output data used in systems of relay protected and ECA of power industry.
статья, добавлен 23.06.2013Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.
статья, добавлен 08.05.2013Preparation and study of a metal-component nanocomposite system with ferromagnetic inclusions. Coefficients of composite layers in free space were calculated as a function of the content of ferromagnetic inclusions and the thickness of the layer.
статья, добавлен 29.01.2017Actual trends in development of power system protection and automation. Identification of circuit parameters of power network elements. The proof of applicability of power line parameters identification algorithm. Synchrophasor application tasks.
статья, добавлен 23.06.2013Description of experimental plant for TAD analysis. Computerized system for control of thermoacoustic devices. Experimental studies of thermoacoustic engine. Synthesis of thermoacoustic processes control system and fuzzy controllers for tae driven plant.
статья, добавлен 30.08.2016The problem of global energy security and environmental protection in Russia. Prospects for the development of energy from renewable energy sources. State support measures. Analysis of long-term combination of renewable and non-renewable sources.
дипломная работа, добавлен 27.08.2016The conditions to provide the robust stability and control of synchronous machine’s excitation control with magnitude-phase automatic voltage regulator. The structure of MP-AVR with complex input signal. The control law and transfer function of MP-AVR.
статья, добавлен 29.07.2016Features of electronic radiation by using the Monte Carlo method in terms of the asymmetry of the protective values of bimetallic dual layer system. The calculation of the dose over protective structure, its application for weight and size protection.
статья, добавлен 22.12.2016Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
статья, добавлен 22.12.2016Characteristic variable capacitor structure. The definition of electronic control features. Issdelovanie circuit AC bridge. Determination of the resistance measuring bridge capacitors parameters. Consideration device universal scheme of the bridge.
реферат, добавлен 17.12.2015- 15. Design of control signals for three phase matrix converter on the basis of double fourier series
The control signals for the frequency-phase matrix converter. The output control signal converters, on the basis of the expansion of space with the space. Methods of using the double Fourier series expansion of space and time independent variable.
статья, добавлен 22.03.2016 Validation of identification nanoparticle colloidal silver and gold on the polyester fibers on the background component of the Raman spectra in the control based on the polarization characteristics. The reliability of control of nanoparticles of silver.
статья, добавлен 13.10.2016- 17. Problems of protection during the massive penetration of renewable energy sources in power systems
Among the various sources of alternative energy, wind and solar are two prominent and promising alternatives for future electricity needs. These sources are integrated into distribution networks for local consumers. Adaptive retransmission schemes.
статья, добавлен 28.12.2020 A five-phase inverter control algorithm in the over-modulation zone, which provides a transition from a linear modulation zone to a ten-step phase voltage. The results of the simulation of basic modes of operation in the zone of higher output frequencies.
статья, добавлен 02.02.2019Voltage deviation in the distribution networks has been performed and expediency of the voltage deviation control for electrically closest and farthest consumers have been analyzed in terms of Levanevska substation, town of Zaporizhzhia.
статья, добавлен 14.10.2020Use of composite materials Cu-Cr in electric contacts operating under DC low voltage loads of a small power. Сonclusions of possibility of the use of such material to control the arc to glow transformation for use in electric auxiliary switching devices.
статья, добавлен 08.02.2017Анализ развития автоматизированной системы диспетчерского управления на базе платформ ETAP real time и PSI control. Использование высокоэффективных решений для моделирования и управления режимами энергетических систем. Управление мощностью энергосистем.
статья, добавлен 06.05.2018Technologies for voltage control of self-excited induction generators. An approach for maximizing the power extracted from self-excited induction generators in specific applications without strict restrictions on the generated frequency and voltage.
статья, добавлен 24.06.2016Manufacture of containers for transportation and storage of spent nuclear fuel. A composite of depleted uranium dioxide (DUO2) with concrete. Study of the efficiency of radiation protection DUCRETETM in comparison with the container of plain concrete.
статья, добавлен 08.10.2013Review and description high reliability and security of power unit are basic requirements when the power unit maneuvering mode operation. Investigated of the power unit capacity automated control systems influence on axial offset under maneuvering mode.
статья, добавлен 29.11.2016An analysis of the methodology for identifying the modal parameters of a dynamic system of structures using the Kalman filter, which is a powerful tool of modern control theory. Evaluation of the effectiveness of the method for identifying the structure.
статья, добавлен 24.07.2018