Historically, the development and design of distribution systems (DSs) microgrids (MGs) were based primarily on alternating current (AC) as a traditional approach due to many advantages such eliminating need for synchronization, well ease integrating distributed energy resources (DERs). Recently, given democratization DER through local installations renewable appliances using power electronics,...

In this paper, genetic algorithm (GA)-based voltage optimization of a modified IEEE-34 node distribution feeder with high penetration distributed energy resources (DERs) is proposed using two megawatt-scale reactive power sources. Traditional support units present in grids are not suitable for DER-rich feeders, while small-scale DERs the requires considerable communication effort to reach globa...

There has been a significant growth in the distributed energy resources (DERs) connected to distribution networks recent years, increasing need for modeling detail conjunction with sub-transmission/transmission networks. This paper models real distribution/ sub-transmission network using three-phase/three-sequence co-simulation. One of modeled feeders high penetration DERs reverse power flow an...

The past decade has seen advancements in renewable energy technology, making even smaller solar and wind installations at residential level an economically viable option. Hence, large amounts of distributed energy sources (DERs) with high penetration of renewables will form a key component of an urban energy grid. This not only reduces the inertia of the system but also injects large unpredicta...

The electric power system is currently undergoing a major transition due to growing numbers of distributed energy resources (DERs) and increased distribution automation. If optimally managed operated, DERs could provide flexibility highly valuable grid services such as restoration, peak shaving, voltage regulation, frequency support maintain reliability. Different applications enterprises, mana...

The presence of behind-the-meter rooftop PV and storage in the residential sector is poised to increase significantly. Here we quantify in detail the value of these technologies to consumers and service providers. We characterize the heterogeneity in household electricity cost savings under time-varying prices due to consumption behavior differences. The top 15% of consumers benefit two to thre...

Distribution systems in traditional power (PS) constituted of passive elements and the distribution issues were then limited to voltage thermal constraints, harmonics, overloading unbalanced loading, reactive compensation issues, faults transients, loss minimization frequency stability problems, name a few. Contemporary are becoming active distributed networks (ADNs) that integrate substantiall...

International Electronical Committee (IEC) 61850-90-7 is a part of the IEC 61850 series which specifies the advanced functions and object models for power converter based Distributed Energy Resources (DERs). One of its functions, the Voltage/VAR (V/V) control function, is used to enhance the stability and the reliability of the voltage in the distribution system. The conventional V/V function a...

Transmission system operators (TSOs) often set requirements to distribution (DSOs) regarding the exchange of reactive power on interface between two parts they operate, typically High Voltage and Medium Voltage. The presence increasing amounts Distributed Energy Resources (DERs) at networks complicates problem, but provides control opportunities in order keep within prescribed limits. Typical D...