Results 1 to 10 of about 18,104 (246)
Evaluating Distributed PV Curtailment Using Quasi-Static Time-Series Simulations
IEEE Open Access Journal of Power and Energy, 2021 By strategically curtailing active power and providing reactive power support, photovoltaic (PV) systems with advanced inverters can mitigate voltage and thermal violations in distribution networks.
Joseph A. Azzolini +3 more
doaj +4 more sources
Quasi-Static Time-Series Power Flow Solution for Islanded and Unbalanced Three-Phase Microgrids [PDF]
IEEE Open Access Journal of Power and Energy, 2021 Recent advances in inverter-based distributed energy resources (DERs) allow microgrids to operate in grid-connected and islanded modes with ease. However, determining a steady-state load flow solution of a real-world unbalanced and islanded three-phase ...
Vinicius C. Cunha +5 more
doaj +2 more sources
IEEE Transactions on Industrial Electronics, 2021 This article introduces a novel multirate cosimulation architecture that overcomes previous challenges integrating faster real-time, microseconds-scale, power-hardware-in-the-loop (PHIL) with larger scale but slower, real-time, seconds-scale, quasi-static time-series (QSTS) simulation.
Murali Baggu +2 more
exaly +3 more sources
Data-Driven Distribution System Load Modeling for Quasi-Static Time-Series Simulation
IEEE Transactions on Smart Grid, 2020 This paper presents a data-driven distribution system load modeling methodology targeting quasi-static time-series (QSTS) simulation. The proposed methodology is appropriate for modeling down to the level of the customer transformer, and it has three main features: 1) both load pattern diversity and intra-second load variability are considered, 2) the ...
Xiangqi Zhu, Barry Mather
exaly +2 more sources
Implementation of Quasi-Static Time Series Simulations for Analysis of the Impact of Electric Vehicles on the Grid [PDF]
2019 IEEE 60th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), 2019 In this paper, symmetrical electric vehicle charging impacts in existing low-voltage distribution grid are investigated throughout proposed methodology and their results analysed. Symmetrical loading- and voltage-related impacts are assessed for the extensive grid.
Korba P, Artjoms Obushevs
exaly +2 more sources
Energies, 2022 Power system simulations with long-term data typically have large time steps, varying from one second to a few minutes. However, for PV inverter semiconductors in grid-connected applications, the minimum thermal stress cycle occurs over the fundamental ...
Yunting Liu +7 more
doaj +2 more sources
Embedding quasi-static time series within a genetic algorithm for stochastic optimization: the case of reactive power compensation on distribution systems [PDF]
Journal of Computational Design and Engineering, 2020 Abstract This paper presents a methodology for the optimal placement and sizing of reactive power compensation devices in a distribution system (DS) with distributed generation. Quasi-static time series is embedded in an optimization method based on a genetic algorithm to adequately represent the uncertainty introduced by solar ...
Ghassan Zubi +2 more
exaly +4 more sources
Predetermined time-step solver for rapid quasi-static time series (QSTS) of distribution systems
2017 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT), 2017 Distribution system analysis with high penetrations of distributed energy resources (DER) requires quasi-static time-series (QSTS) analysis to capture the time-varying and time-dependent aspects of the system, but current QSTS algorithms are prohibitively burdensome and computationally intensive. This paper proposes a novel deviation-based algorithm to
Matthew J Reno, Robert J Broderick
exaly +3 more sources
Monte Carlo Based Method for Parallelizing Quasi-Static Time-Series Power System Simulations [PDF]
2018 IEEE International Conference on Probabilistic Methods Applied to Power Systems (PMAPS), 2018 Both commercial and open source power system simulators run quasi-static time-series (QSTS) simulations sequentially. For yearlong high-resolution load profiles this sequential execution of load flows incurs long computation times. Parallelizing QSTS simulations on multiple processors is one possible way to reduce the computation time.
Barry Mather, Aadil Latif
exaly +2 more sources
Visualization Methods for Quasi-Static Time-Series (QSTS) Simulations with High PV Penetration
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), 2019 Distribution system analysis requires yearlong quasi-static time-series (QSTS) simulations to accurately capture the variability introduced by high penetrations of distributed energy resources (DER) such as residential and commercial-scale photovoltaic (PV) installations.
Joseph A Azzolini +2 more
exaly +3 more sources