Abstract
In the last few decades, there has been a strong trend towards integrating renewable-based distributed generation systems into the power grid, and advanced management strategies have been developed in order to provide a reliable, resilient, economic, and sustainable operation. Moreover, demand response (DR) programs, by taking the advantage of flexible loads’ energy reduction capabilities, have presented as a promising solution considering reliability issues. Therefore, the impacts of combined system architecture with on-site photovoltaic (PV) generation units and residential demand reduction strategies were taken into consideration on distribution system reliability indices in this study. The load model of this study was created by using load data of the distribution feeder provided by Bosphorus Electric Distribution Corporation (BEDAS). Additionally, the reliability parameters of the feeder components were determined based on these provided data. The calculated load point and feeder side indicators were analyzed comprehensively from technical and economic perspectives. In order to validate the effectiveness of the proposed structure, four case studies were carried out in both DigSILENT PowerFactory and MATLAB environments.
Highlights
Motivation and BackgroundPower system reliability can be evaluated as one of the most important factors in the operation, planning, and design process of the utility network and sometimes state-regulated area
The contributions of the study can be detailed as follows:. Both the management of demand response (DR) and distributed generation (DG) penetration are crucial tasks for the improvement of distribution system reliability; this paper presents the contribution of both methods in terms of reliability level of the system
Case-3: In addition to PV based generation unit, 10% demand reduction was implemented through DR program
Summary
Power system reliability can be evaluated as one of the most important factors in the operation, planning, and design process of the utility network and sometimes state-regulated area This complicated architecture including numerous different types of loads, transformers, substations, switching components, and long transmission lines targets to supply hundreds of millions of electricity consumers’ daily needs in a reliable fashion. Photovoltaic (PV) generation is accepted as one of the most prominent sources, and its globally installed capacity is increasing day by day considering technological developments and economic achievements, especially for implementing at the scale of distributed generation (DG) This green resource can be installed at a large-scale in utility facilities or at a small-scale at the end-users’ premises with the aim of meeting the local demand. Smart households that can alter their internal operation in an optimized way, especially if a home energy management system (HEM) exists, have further capability to enhance effective implementation of residential DR, which is an area where more implementations have been provided recently
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