20 citations · 52 across the 17 of their papers we have counts for
21 papers
GP CC-OPF: Gaussian Process based optimization tool for Chance-Constrained Optimal Power Flow
Mile Mitrovic, Ognjen Kundacina, Aleksandr Lukashevich +4
The Gaussian Process (GP) based Chance-Constrained Optimal Power Flow (CC-OPF) is an open-source Python code developed for solving economic dispatch (ED) problem in modern power gr…
Data-Driven Chance Constrained AC-OPF using Hybrid Sparse Gaussian Processes
Mile Mitrovic, Aleksandr Lukashevich, Petr Vorobev +3
The alternating current (AC) chance-constrained optimal power flow (CC-OPF) problem addresses the economic efficiency of electricity generation and delivery under generation uncert…
Data-Driven Stochastic AC-OPF using Gaussian Processes
Mile Mitrovic, Aleksandr Lukashevich, Petr Vorobev +4
In recent years, electricity generation has been responsible for more than a quarter of the greenhouse gas emissions in the US. Integrating a significant amount of renewables into…
Importance sampling approach to chance-constrained DC optimal power flow
Aleksander Lukashevich, Vyacheslav Gorchakov, Petr Vorobev +2
Despite significant economic and ecological effects, a higher level of renewable energy generation leads to increased uncertainty and variability in power injections, thus compromi…
Identification of Stability Regions in Inverter-Based Microgrids
Andrey Gorbunov, Jimmy Chih-Hsien Peng, Janusz W. Bialek +1
A new method for the stability assessment of inverter-based microgrids is presented in this paper. Directly determining stability boundaries by searching the multidimensional space…
Voltage Feasibility Boundaries for Power System Security Assessment
Mazhar Ali, Elena Gryazina, Anatoly Dymarsky +1
Modern power systems face a grand challenge in grid management due to increased electricity demand, imminent disturbances, and uncertainties associated with renewable generation, w…
Optimal Utilization Strategy of the LiFePO Battery Storage
T. Sayfutdinov, P. Vorobev
The paper provides a comprehensive battery storage modelling approach, which accounts for operation- and degradation-aware characteristics, i.e., variable efficiency, internal resi…
Network Topology Invariant Stability Certificates for DC Microgrids with Arbitrary Load Dynamics
Samuel Chevalier, Federico Martin Ibanez, Kathleen Cavanagh +3
DC microgrids are prone to small-signal instabilities due to the presence of tightly regulated loads. This paper develops a decentralized stability certificate which is capable of…
Grid-forming frequency shaping control
Yan Jiang, Andrey Bernstein, Petr Vorobev +1
As power systems transit to a state of high renewable penetration, little or no presence of synchronous generators makes the prerequisite of well-regulated frequency for grid-follo…
Identification and Stabilization of Critical Clusters in Inverter-Based Microgrids
Andrey Gorbunov, Petr Vorobev, Jimmy Chih-Hsien Peng
A new method for stability assessment of inverter-based microgrids is presented in this paper. It leverages the notion of critical clusters -- a localized group of inverters with p…
Storage-Based Frequency Shaping Control
Yan Jiang, Eliza Cohn, Petr Vorobev +1
With the decrease in system inertia, frequency security becomes an issue for power systems around the world. Energy storage systems (ESS), due to their excellent ramping capabiliti…
Identification of Critical Clusters in Inverter-based Microgrids
Andrey Gorbunov, Petr Vorobev, Jimmy Chih-Hsien Peng
In this paper, we investigate the stability properties of inverter-based microgrids by establishing the possible presence of the so-called critical clusters - groups of inverters w…
A Bayesian Framework for Power System Components Identification
Artem Mikhalev, Alexander Emchinov, Samuel Chevalier +2
Having actual models for power system components (such as generators and loads or auxiliary equipment) is vital to correctly assess the power system operating state and to establis…
Dynamic Droop Approach for Storage-based Frequency Control
Yan Jiang, Eliza Cohn, Petr Vorobev +1
Transient frequency dips that follow sudden power imbalances --frequency Nadir-- represent a big challenge for frequency stability of low-inertia power systems. Since low inertia i…
A Passivity Interpretation of Energy-Based Forced Oscillation Source Location Methods
Samuel Chevalier, Petr Vorobev, Konstantin Turitsyn
This paper develops a systematic framework for analyzing how low frequency forced oscillations propagate in electric power systems. Using this framework, the paper shows how to mat…
Using Passivity Theory to Interpret the Dissipating Energy Flow Method
Samuel Chevalier, Petr Vorobev, Konstantin Turitsyn +2
Despite wide-scale deployment of phasor measurement unit technology, locating the sources of low frequency forced oscillations in power systems is still an open research topic. The…
A Bayesian Approach to Forced Oscillation Source Location Given Uncertain Generator Parameters
Samuel Chevalier, Petr Vorobev, Konstantin Turitsyn
Since forced oscillations are exogenous to dynamic power system models, the models by themselves cannot predict when or where a forced oscillation will occur. Locating the sources…
Stability of DC Networks with Generic Load Models
Kathleen Cavanagh, Petr Vorobev, Konstantin Turitsyn
DC grids are prone to small-signal instabilities due to the presence of tightly controlled loads trying to keep the power consumption constant over range of terminal voltage variat…
Using Effective Generator Impedance for Forced Oscillation Source Location
Samuel Chevalier, Petr Vorobev, Konstantin Turitsyn
Locating the sources of forced low-frequency oscillations in power systems is an important problem. A number of proposed methods demonstrate their practical usefulness, but many of…
High-Fidelity Model Order Reduction for Microgrids Stability Assessment
Petr Vorobev, Po-Hsu Huang, Mohamed Al Hosani +2
Proper modeling of inverter-based microgrids is crucial for accurate assessment of stability boundaries. It has been recently realized that the stability conditions for such microg…
Localized surface plasmon modes in a system of two interacting metallic cylinders
Viktoriia E. Babicheva, Sergey S. Vergeles, Petr E. Vorobev +1
We study an optical response of a system of two parallel close metallic cylinders having nanoscale dimensions. Surface plasmon excitation in the gap between the cylinders are speci…