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Voltage margins, or guardbands, are imposed on DVFS systems to account for process, voltage, and temperature variability effects. While necessary to assure correctness, guardbands reduce energy efficiency, a crucial requirement for embedded…

硬件体系结构 · 计算机科学 2025-02-05 Diego V. Cirilo do Nascimento , Kyriakos Georgiou , Kerstin I. Eder , Samuel Xavier-de-Souza

Power injection uncertainties in distribution power grids, which are mostly induced by aggressive introduction of intermittent renewable sources, may drive the system away from normal operating regimes and potentially lead to the loss of…

最优化与控制 · 数学 2018-11-21 Hung D. Nguyen , Krishnamurthy Dvijotham , Suhyoun Yu , Konstantin Turitsyn

A major concern associated to the massive connection of distributed energy resources is the increasing share of power electronic interfaces resulting in the global inertia reduction of power systems. The recent literature advocated the use…

系统与控制 · 电气工程与系统科学 2020-04-21 Yihui Zuo , Mario Paolone , Fabrizio. Sossan

This paper proposes a novel two-layer Volt/VAR control (VVC) framework to regulate the voltage profiles across an unbalanced active distribution system, which achieves both the efficient open-loop optimization and accurate closed-loop…

系统与控制 · 电气工程与系统科学 2019-12-25 Yifei Guo , Qianzhi Zhang , Zhaoyu Wang , Fankun Bu , Yuxuan Yuan

The growing integration of distributed energy resources into distribution systems poses challenges for voltage regulation. Dynamic VAR Compensators (DVCs) are a new generation of power electronics-based Volt/VAR compensation devices…

系统与控制 · 电气工程与系统科学 2023-09-13 Han Pyo Lee , Keith DSouza , Ke Chen , Ning Lu , Mesut Baran

The rising demand for electric vehicles (EVs) worldwide necessitates the development of robust and accessible charging infrastructure, particularly in developing countries where electricity disruptions pose a significant challenge. Earlier…

最优化与控制 · 数学 2023-07-12 Mansur Arief , Yan Akhra , Iwan Vanany

The increasing penetration of inverter based renewable generation (RG) in the form of solar photo-voltaic (PV) or wind has introduced numerous operational challenges and uncertainties. According to the standards, these generators are made…

最优化与控制 · 数学 2019-11-19 Chetan Mishra , James S. Thorp , Virgilio A. Centeno , Anamitra Pal

This paper introduces a Continuously Variable Series Reactor (CVSR) to the transmission expansion planning (TEP) problem. The CVSR is a FACTS-like device which has the capability of controlling the overall impedance of the transmission…

最优化与控制 · 数学 2017-03-28 Xiaohu Zhang , Kevin Tomsovic , Aleksandar Dimitrovski

Ever-growing electrical loads are having a huge impact on the operation and stability of the power system. Moreover, the integration of renewable generation poses various challenges to the future power system, especially, regarding…

系统与控制 · 电气工程与系统科学 2021-11-23 Umair Shahzad

Support vector regression (SVR) is one of the most popular machine learning algorithms aiming to generate the optimal regression curve through maximizing the minimal margin of selected training samples, i.e., support vectors. Recent…

机器学习 · 计算机科学 2019-05-07 Gaoyang Li , Jinyu Yang , Chunguo Wu , Qin Ma

Monitoring the long term voltage stability of the power grid is necessary to ensure its secure operation. This paper presents a new phasor based methodology that distinguishes between long term voltage stability caused by distribution…

最优化与控制 · 数学 2018-09-28 Amarsagar Reddy Ramapuram Matavalam , Ankit Singhal , Venkataramana Ajjarapu

A voltage regulation method for slow voltage variations at distribution level is proposed, based on a view of the loads, generators and storage along a distribution line as point weights. The "centers of mass" of the absorbed and injected…

系统与控制 · 电气工程与系统科学 2021-05-14 Panayiotis Moutis , Pavlos S. Georgilakis , Nikos D. Hatziargyriou

This paper proposes a new method to monitor and mitigate fault induced delayed voltage recovery (FIDVR) phenomenon in distribution systems using {\mu}PMU measurements in conjunction with a Reduced Distribution System Model (RDSM). The…

This paper proposes a distributionally robust optimal power flow (OPF) model for transmission grids with wind power generation. The model uses the conditional value-at-risk (CVaR) constraints to control the reserve and branch flow limit…

系统与控制 · 电气工程与系统科学 2021-10-27 Lei You , Hui Ma , Tapan Kumar Saha , Gang Liu

Cooperative vehicle safety (CVS) systems operate based on broadcast of vehicle position and safety information to neighboring cars. The communication medium of CVS is a vehicular ad-hoc network. One of the main challenges in large scale…

网络与互联网体系结构 · 计算机科学 2012-06-05 Neda Nasiriani , Yaser P. Fallah , Hariharan Krishnan

Dynamic Voltage Restorer (DVR), for some important reasons, is utilized in Power Distribution for protecting loads especially critical loads against some power quality issues like sag, swell, harmonics and faults. Fast transient response…

系统与控制 · 电气工程与系统科学 2020-07-01 Khodakhast Nasiriani1 , Mohsen Pasandi2

Increased power demands, push for economics and limited investment in grid infrastructure have led utilities to operatepower systems closer to their stability limits. Voltage instability may trigger cascade tripping, wide-area voltage…

系统与控制 · 电气工程与系统科学 2020-05-29 Syed Muhammad Hur Rizvi , Pratim Kundu , Anurag K. Srivastava

Distributed vertical power delivery (DVPD) architectures employ multiple parallel voltage regulators (VRs) to meet the high-power and high current density demands of modern high performance computing (HPC) systems. While full parallel…

系统与控制 · 电气工程与系统科学 2026-05-26 Sriharini Krishnakumar , Inna Partin-Vaisband

This paper presents a decentralized volt-var optimization (VVO) and network reconfiguration strategy to address the challenges arising from the growing integration of distributed energy resources, particularly photovoltaic (PV) generation…

最优化与控制 · 数学 2024-01-10 Geunyeong Byeon , Kibaek Kim

This paper shows that a relation can be found between the voltage at the terminals of an inverter-interfaced Renewable Energy Source RES and its optimal reactive power support. This relationship, known as Volt-Var Curve VVC, enables the…

系统与控制 · 电气工程与系统科学 2019-11-27 Alireza Nouri , Alireza Soroudi , Andrew Keane