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Increased distributed Photo-Voltaic (PV) generation leads to an increase in voltages and unwarranted backflows into the grid. This paper investigates Demand Response (DR) with Electric Water Heaters (EWHs) as a way to increase the PV…

Systems and Control · Computer Science 2014-08-08 Xiangkun Li , Theodor Borsche , Göran Andersson

The increasing quantity of PV generation connected to distribution networks is creating challenges in maintaining and controlling voltages in those distribution networks. Determining the maximum hosting capacity for new PV installations…

Signal Processing · Electrical Eng. & Systems 2018-12-03 Mehdi Shafiei , Aaron Liu , Gerard Ledwich , Geoffery Walker , Gian-Marco Morosini , Jack Terry

Conservation voltage reduction (CVR) has been widely implemented in distribution networks and helped utilities effectively reduce energy and peak load. However, the increasing penetration level of solar photovoltaic (PV) has affected…

Systems and Control · Electrical Eng. & Systems 2021-10-29 Rui Cheng , Zhaoyu Wang , Yifei Guo , Fankun Bu

With the increasing amount of distributed energy resources (DERs) integration, there is a significant need to model and analyze hosting capacity (HC) for future electric distribution grids. Hosting capacity analysis (HCA) examines the…

Systems and Control · Electrical Eng. & Systems 2023-05-16 Kiyeob Lee , Peng Zhao , Anirban Bhattacharya , Bani K. Mallick , Le Xie

A high share of distributed photovoltaic (PV) generation in low-voltage networks may lead to over-voltage, and line/transformer overloading. To mitigate these issues, we investigate how advanced electricity tariffs could ensure safe grid…

Systems and Control · Electrical Eng. & Systems 2021-09-16 Jordan Holweger , Lionel Bloch , Christophe Ballif , Nicolas Wyrsch

This paper proposes a stochastic optimal preparation and resource allocation method for upcoming extreme weather events in distribution systems, which can assist utilities to achieve faster and more efficient post-event restoration. With…

Systems and Control · Electrical Eng. & Systems 2021-09-22 Qianzhi Zhang , Zhaoyu Wang , Shanshan Ma , Anmar Arif

Remarkable penetration of renewable energy in electric networks, despite its valuable opportunities, such as power loss reduction and loadability improvements, has raised concerns for system operators. Such huge penetration can lead to a…

Applied Physics · Physics 2017-06-12 Hamidreza Sadeghian , Mir Hadi Athari , Zhifang Wang

"Volunteer computing" uses Internet-connected computers, volunteered by their owners, as a source of computing power and storage. This paper studies the potential capacity of volunteer computing. We analyzed measurements of over 330,000…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 David P. Anderson , Gilles Fedak

Nowadays common practice in deploying photovoltaic distributed generations (PVDGs) is customer-based installation in the distribution network. Increasing level of PVDG applications and expedite approval by utilities have raised concern…

Optimization and Control · Mathematics 2017-12-13 Hamidreza Sadeghian , Zhifang Wang

Over the last few decades, there is a constantly increasing deployment of solar photovoltaic (PV) systems both at the commercial and residential building sector. However, the steadily growing PV penetration poses several technical problems…

Battery storage, particularly residential battery storage coupled with rooftop PV, is emerging as an essential component of the smart grid technology mix. However, including battery storage and other flexible resources like electric…

Systems and Control · Computer Science 2019-04-16 Yiju Ma , Donald Azuatalam , Thomas Power , Gregor Verbic , Archie C. Chapman

This paper develops a power management scheme that jointly optimizes the real power consumption of programmable loads and reactive power outputs of photovoltaic (PV) inverters in distribution networks. The premise is to determine the…

Systems and Control · Computer Science 2016-10-20 Mohammadhafez Bazrafshan , Nikolaos Gatsis

This paper studies the probabilistic hosting capacity analysis (PHCA) problem in distribution networks considering uncertainties from distributed energy resources (DERs) and residential loads. PHCA aims to compute the hosting capacity,…

Systems and Control · Electrical Eng. & Systems 2020-11-11 Xinbo Geng , Lang Tong , Anirban Bhattacharya , Bani Mallick , Le Xie

We show that dynamic coordination of distributed energy resources (DERs) can increase the capacity of low- and medium-voltage grids, improve reliability and power quality, and reduce solar curtailment. We develop three approaches to compute…

Systems and Control · Electrical Eng. & Systems 2026-04-03 Vineet Jagadeesan Nair , Morteza Vahid-Ghavidel , Anuradha M. Annaswamy

High penetration levels of distributed photovoltaic(PV) generation on an electrical distribution circuit present several challenges and opportunities for distribution utilities. Rapidly varying irradiance conditions may cause voltage sags…

Mathematical Physics · Physics 2011-12-08 Petr Sulc , Konstantin Turitsyn , Scott Backhaus , Michael Chertkov

Distributed solar photovoltaic (PV) systems are projected to be a key contributor to future energy landscape, but are often poorly represented in energy models due to their distributed nature. They have higher costs compared to utility PV,…

Physics and Society · Physics 2023-07-20 Parisa Rahdan , Elisabeth Zeyen , Cristobal Gallego-Castillo , Marta Victoria

We show how distributed control of reactive power can serve to regulate voltage and minimize resistive losses in a distribution circuit that includes a significant level of photovoltaic (PV) generation. To demonstrate the technique, we…

Optimization and Control · Mathematics 2016-11-18 Konstantin Turitsyn , Petr Sulc , Scott Backhaus , Michael Chertkov

As combating climate change has become a top priority and as many countries are taking steps to make their power generation sustainable, there is a marked increase in the use of renewable energy sources (RESs) for electricity generation.…

Systems and Control · Electrical Eng. & Systems 2021-07-08 W. G. Chaminda Bandara , G. M. R. I. Godaliyadda , M. P. B. Ekanayake , J. B. Ekanayake

The integration of photovoltaic systems poses several challenges for the distribution grid, mainly due to the infrastructure not being designed to handle the upstream flow and being dimensioned for consumption only, potentially leading to…

Systems and Control · Electrical Eng. & Systems 2024-09-25 Alejandro Pena-Bello , Gerard Marias Gonzalez , Nicolas Wyrsch , Christophe Ballif

Distributed energy resources (DERs) installed at electric distribution networks create different opportunities and challenges for the distribution system operator (DSO). By increasing the penetration level of DERs, the impacts of these…

Systems and Control · Electrical Eng. & Systems 2022-06-29 Abbas Rabiee , Andrew Keane , Alireza Soroudi