Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
Microgrid (p, g) is the present buzzword in the power industry with the new approach that it provides the grid operators to operate the grid. The unexpected weather events, increased electricity needs and potential threat to the cyber-security of the grid have raised several questions over the reliability of the grid with μ,gs turning out to be the pragmatic solution to improve reliability. In this...
The typical power distribution systems are in radial configurations in which the connection is radial and the power flows in one direction from the substation to the customer's loads. Due to the increased need for more reliable power on the distribution side, and since most of the interruptions experienced by customers originate from the radial distribution side, the future distribution power systems...
The reserve grid is a redundant MV grid, which serves as an emergency power system (EPS). It is designed to compensate interruptions of the MV grid or substations by offering an independent connection to an additional substation. The challenge is to find the optimal topology regarding costs and reliability. The locations of the customers and the substation have to be considered in the planning of...
This paper presents the optimal maintenance of substation equipment. Along the equipment lifetime, the failure rate tends to increase gradually due to aging deterioration and daily operation. Therefore, the failure rate of equipment is proposed to be modeled by the appropriate Weibull distribution. Maintenance can keep equipment in good condition, but it incurs cost. The maintenance strategy typically...
Mathematical model of small scale HPP was developed for simulation of HPP electricity production in market conditions. Paper also presents approach for evaluation of power supply reservation possibility in distribution network using small scale HPP that operates in liberalized market conditions. Proposed approach allows evaluate theoretical possibility of HPP to improve reliability of power supply...
In order to develop effective methods for reliability centred maintenance and to model operational reliability for transmission and distribution power systems, different reliability growth tools are implemented. The purpose of such reliability growth models is to identify all the multiple situations when changes on reliability for a given system appear, and to determine some specific indices. Crow-AMSAA...
A novel fast enumeration based reliability assessment algorithm based on a probabilistic load flow approach considering nodal uncertainties is proposed in this paper. The frequency and duration indices for each load point and the expected energy not supplied as well as the expected interruption costs are derived with the proposed methodology. By reducing the number of necessary system states a huge...
Topological reconfiguration is an important tool for the planning and operation of electric power distribution systems. The amount of time that an algorithm spends on obtaining an alternative topological status for the system is not a primary concern, since the main goals of distribution operation planning are the reduction of power losses, the enhancement of the voltage profile, and the increase...
A reliability study of the six western transmission lines maintained by EDELCA, the major power generation and transmission utility in Venezuela was completed. The main purpose of this paper was to estimate a set of reliability indices for each power transmission line, using probabilistic techniques such as the Markov approach and the state enumeration method for the load points system assessment...
A complete reliability study of three large transmission substations of EDELCA, the major power generation and transmission utility in Venezuela was made.
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.