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.
This paper proposes a simple non-iterative technique for detecting false data injection attacks on alternating current (AC) state estimators. The proposed method uses the nodal power injections and line power flows from the supervisory control and data acquisition (SCADA) system and voltage magnitudes and angles from phasor measurement units (PMUs) to the detect the false data injection attack. As...
Asynchronous Generators are commonly used in wind based generating units as electrical power generated by them will be the same as the frequency of the grid irrespective of their shaft speed. In this paper, a new methodology for carrying out the load flow calculations in a power system having asynchronous generators has been presented. The model, which is proposed in this paper, utilizes the solution...
For small scale power generations using Hydro and Wind resources in distribution systems, Induction generators are mostly used because of its robustness and less cost. In this paper, a two-step power flow model for such Induction Generators has been proposed. This model uses the solution of the quadratic equation to directly update the node voltage of the induction generator in the power flow problem...
A fast decoupled state estimator (FDSE) based on current equations for the Energy Management System has been presented in this paper. The state estimator algorithm has been developed considering nodal power injections and line power flows as the primary available measurements. This technique avoids gain matrix inversion at each step as the gain matrix developed in this technique remains constant throughout...
One of the important application of load flow solution is computing the power loss and voltage regulation of the system. This paper studies the effect of distributed generations (DG) and voltage regulators (VR) on voltage profile and efficiency of a radial system. In order to obtain the load flow solution of the radial system, a quadratic equation based backward forward sweep technique have been employed...
This paper presents a new algorithm for the formation and modification of bus impedance matrix of networks having mutually coupled elements. The key idea in the proposed algorithm is obtaining the uncoupled equivalent circuit of a coupled group. Using such equivalents, the bus impedance matrix is formed using the well-known and extremely simple ZBUS building algorithm applicable for uncoupled networks...
In this paper, an algorithm for obtaining load flow solutions for radial systems having generation based on renewable energy have been presented. These renewable distributed generations (DG) in the radial distribution system are modeled as active power and voltage magnitude specified buses (PV) and complex power specified buses (PQ). This method uses an improved backward forward sweep method where...
Network reconfiguration is the process of changing the status of sectionalizing switches and tie switches present in the network. In this paper optimal reconfiguration has been done for the radial distribution system having photovoltaic distributed generation with controlled voltage, by using minimum voltage difference based reduction, which is a load flow based reduction technique and the penetration...
The models for distributed generations which can be used in radial load flow program is proposed in this paper. In most cases, distributed generations like photovoltaic systems, fuel cells, low capacity wind turbines and diesel gensets etc. have their terminal voltage not equal to the slack bus voltage. This paper addresses such distributed generations. In this method, an improved backward forward...
The increase in penetration of generations and addition of voltage regulators in the distribution side lead to various challenges in load flow calculations. The complexity increases because of incorporating these models in the existing distribution load flow algorithms. In certain situations interconnections are made in radial distribution system such that the network becomes weakly meshed for increasing...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.