نتایج جستجو برای: distributed generations dgs

تعداد نتایج: 297075  

Journal: :IEEE Access 2021

This paper presents an Enhanced Marine Predators Algorithm (EMPA) for simultaneous optimal distribution system reconfigurations (DSRs) and distributed generations (DGs) addition. The proposed EMPA recognizes the changes opportunity in environmental climatic conditions. handles a multi-objective model to minimize power losses enhance voltage stability index (VSI) at different loading levels. is ...

2012
MICHAEL E. ROPP

AS increasing numbers of distributed generators (DGs) are deployed, utilities are becoming more concerned that these DGs may be able to support unintentional islands. Unintentional islands can be formed when any utility switching device isolates a portion of the area electric power system (EPS) that contains roughly equal amounts of sources and loads, and they potentially pose safety risks to p...

Journal: :Iet Generation Transmission & Distribution 2022

The gas turbine synchronous generators (GTSGs) are widely deployed as distributed generations (DGs) in countries with massive natural production owing to their low prices. However, due the inertia time constants of these synchronous-based DGs, they more susceptible power grid faults which stands a transient stability issue networks multiple microgrids (MGs). On other hand, cloud energy storage ...

Journal: :Journal of modern power systems and clean energy 2022

Point of common coupling (PCC) arrays are the most prominent and widely-used intermittent distributed generations (DGs). Due to right-of-way, environmental, economical other restrictions, connection these types DGs preferred point distribution network is very difficult or impossible in some cases. Therefore, because non-optimal locations, they may cause a voltage rise at PCC. In this paper, coo...

Journal: :International Journal of Power Electronics and Drive Systems 2023

This paper introduces a new approach based on chaotic strategy and neural network algorithm (NNA), called chaotic-based NNA (CNNA), to solve the optimal distributed generation allocation (ODGA), in radial distribution system (RDS). consists of determining locations sizes one or several generations (DGs) be inserted into RDS minimize multiple objectives while meeting set security limits. The rob...

Journal: :Frontiers in Energy Research 2023

Microgrids have benefited energy systems by getting rid of the abundant use traditional resources, replacing them with distributed generations (DGs). The DGs in microgrids not only provides clean and green but also reduces gigantic losses transmission distribution lines. Widespread adoption renewable saves customers from high fuel prices a sustainable replacement for future fossil depletion. pr...

جعفری, مسعود, منصف, حسن,

In recent years, appearance of Distributed Generation (DGs) in power systems networks has provided important implications. Important advantages of DGs include increased reliability, loss reduction and improving voltage profile. In case of failure in the network, DGs can provide islands (isolated networks) resulting in continuation of supply loads and may reduce the number and/or duration of int...

Journal: :مهندسی برق و الکترونیک ایران 0
s. shokoohi h. bevrani j. moshtagh s. ahmadi

with increasing the presence of microgrids (mgs) in the power systems, investigating the mg stability during transient faults is necessary. this study investigates the transient stability analysis of a mg supplied by multiple inverter interfaced distributed generations (iidgs) during fault. the transient stability of a mg is highly depends on the iidgs control strategy. a mg, simulated on matla...

Journal: :the modares journal of electrical engineering 2008
hamid falaghi1 m. r haghifam m parsa moghaddam

presence of distributed generation (dg) in electric distribution systems provides an attractive new alternative in capacity expansion planning of these systems. in this paper a new model is developed for solving simultaneous placement of hv/mv substations and dg units as a static planning tool. this model aims to minimize fixed and variable costs of planning. constraints related to dgs, substat...

Journal: :Energies 2022

The modest objective is to check the integrated effect of energy storage systems (ESSs) and distributed generations (DGs) compare optimization size location ESS DG explore its challenges for smart grids (SGs) modernization. research enlisted different algorithms cost-effectiveness, security, voltage control, less power losses. From this perspective, distribution network’s capacity are being per...

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