Test Whats new message.
Scheduled Maintenance on Monday 1/13/2025
Single article sales and account management will be unavailable from 5:00 AM - 7:00 PM ET (09:00 - 23:00 UTC). We apologize for the inconvenience.
Showing 1-25 of 1,115 resultsfor "Index Terms":Quasi-static System
"Index Terms":Quasi-static System
- Sort
Get notified when new research is published matching your search criteria.
Sort By
Results
Improving the Performance of Integrated Power-Hardware-in-the-Loop and Quasi-Static Time-Series Simulations
Kumaraguru Prabakar;Bryan Palmintier;Annabelle Pratt;Ali Hariri;Ismael Mendoza;Murali Baggu
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. Specifically, an intermediate reduced-equivalent electromagnetic transient (EMT) model duplicates the key power s...Show More
Data-Driven Load Diversity and Variability Modeling for Quasi-Static Time-Series Simulation on Distribution Feeders
2019 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2019 | Conference Paper |
Cited by: Papers (4)
This paper presents a data-driven load modeling methodology for distribution system quasi-static time-series (QSTS) simulation considering both diversity and variability characteristics of distribution loads. Based on our previous work in [1]-[2], a variability library and diversity library have been established based on the realistic high-resolution data collected from actual utility feeders. Giv...Show More
Data-Driven Distribution System Load Modeling for Quasi-Static Time-Series Simulation
IEEE Transactions on Smart Grid
Cited by: Papers (6)
This paper presents a data-driven distribution system load modeling methodology targeting quasi-static timeseries (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 load profiles can be populated for multiple nod...Show More
Probabilistic Quasi-Static Time Series Simulation for Distribution Network Planning Considering Multiple Uncertainties of PV and Load in the Presence of BESS
2020 52nd North American Power Symposium (NAPS)
Year: 2021 | Conference Paper |
In this study, we propose a comprehensive and computationally efficient Probabilistic Quasi-Static Time Series (PQSTS) method in which the multiple uncertainties of forecasted load and PV data are employed in the distribution network planning problem. Additionally, inverter reactive power capability is implemented to regulate voltage in response to irradiance variation. Furthermore, a Battery Ener...Show More
DWT-Based Aggregated Load Modeling and Evaluation for Quasi-Static Time-Series Simulation on Distribution Feeders
2018 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2018 | Conference Paper |
Cited by: Papers (7)
This paper presents an extension of a previously reported discrete wavelet transform (DWT) based load modeling methodology which targets at modeling time-series load profiles to enable the more effective and realistic quasi-static time-series simulation of distribution feeders. The time-series load model is composed of two major parts: 1) The low-resolution field-measured load data which usually h...Show More
Rooftop Solar PV Hosting Capacity Analysis in MV-LV Distribution Networks Using Quasi-Static Time-Series Simulation
Cesar Andrés Patiño Chitacapa;Sergio Patricio Zambrano Asanza;Edwin Marcelo Lema Guamán;Brian Daniel Jaramillo León;Jonatas Boas Leite;John Fredy Franco Baquero
2023 IEEE PES Innovative Smart Grid Technologies Latin America (ISGT-LA)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
The massive interconnection of rooftop solar photovoltaic (PV) generation to the distribution network constitutes a challenge for the operation and planning of distribution network. In this environment, the performance of the distribution network may be affected and a comprehensive analysis of the hosting capacity in the medium and low voltage network is necessary. A quasi-static time-series and s...Show More
Rooftop Solar PV Hosting Capacity Analysis in MV-LV Distribution Networks Using Quasi-Static Time-Series Simulation
Cesar Andrés Patiño Chitacapa;Sergio Patricio Zambrano Asanza;Edwin Marcelo Lema Guamán;Brian Daniel Jaramillo León;Jonatas Boas Leite;John Fredy Franco Baquero
Year: 2023 | Conference Paper |
Uses and Misuses of Quasi-Static Time-Varying Phasor Models in Power Systems
Quasi-static models, also known as time-varying phasor models, have been used for many years for dynamic analysis and stability studies in power systems. However, the long track of success of using these models in a broad spectrum of applications resulted in blurring the boundaries between uses and misuses of time-varying phasors. Specifically, one possible misconception is that quasi-static model...Show More
PV Hosting Capacity Analysis using Quasi-Static Time Series Simulation, Study case in Bandar Lampung, Indonesia
Reynaldi Prasetyo;Kevin Marojahan Banjarnahor;Nanang Hariyanto;Sugeng Widodo
2024 6th International Conference on Power Engineering and Renewable Energy (ICPERE)
Year: 2024 | Conference Paper |
The increasing use of solar rooftop photovoltaic (PV) systems has transformed the distribution network from a simple radial layout with a single power source to a more intricate structure with multiple power sources. The Hosting Capacity Analysis Menu in power system applications generally does not consider time series characteristics of a system. Quasi static Time Series Simulation can be used to...Show More
Decision tree ensemble machine learning for rapid QSTS simulations
2018 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)
Year: 2018 | Conference Paper |
Cited by: Papers (5)
High-resolution, quasi-static time series (QSTS) simulations are essential for modeling modern distribution systems with high-penetration of distributed energy resources (DER) in order to accurately simulate the time-dependent aspects of the system. Presently, QSTS simulations are too computationally intensive for widespread industry adoption. This paper proposes to simulate a portion of the year ...Show More
A Fast Quasi-Static Time Series Simulation Method for PV Smart Inverters with VAR Control using Linear Sensitivity Model
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)
Year: 2018 | Conference Paper |
Cited by: Papers (8)
Fast deployment of renewable energy resources in distribution networks, especially solar photovoltaic (PV) systems, have motivated the need for inverter-based voltage regulation. Integration studies are often necessary to fully understand the potential impacts of PV inverter settings on the various elements of the distribution system, including voltage regulators and capacitor banks. A year long q...Show More
A Rapid Quasi-Static Time Series Method for Evaluating Current-Related Distributed PV Impacts including Feeder Loading and Line Losses
2019 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
Significant changes in the regulatory environment, coupled with economic viability, has led various electric utilities to consider distributed photovoltaic (PV) systems as an alternative to traditional circuit upgrades. Increased penetration of distributed PV can result in the overload of the distribution system infrastructure, which can lead to premature failures and costly repairs. Quasi-static ...Show More
Evaluating Distributed PV Curtailment Using Quasi-Static Time-Series Simulations
Joseph A. Azzolini;Matthew J. Reno;Nicholas S. Gurule;Kelsey A. W. Horowitz
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. Quasi-static time-series (QSTS) simulations are increasingly being utilized to study the implementation of these inverter functions as alternatives to traditional circuit upgrades. However, QSTS analys...Show More
Algorithms to Effectively Quantize Scenarios for PV Impact Analysis using QSTS Simulation
Jeremiah Deboever;Santiago Grijalva;Matthew J. Reno;Robert J. Broderick
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
Quasi-static time-series (QSTS) simulation provides an accurate method to determine the impact that new PV interconnections including control strategies would have on a distribution feeder. However, the QSTS computational time currently makes it impractical for use by the industry. A vector quantization approach [1- 2] leverages similarities in power flow solutions to avoid re-computing identical ...Show More
A QSTS Simulation Tool Using Equivalent Circuit Inverter Models for Permanently Isolated Nanogrids
Nicholas G. Barry;Taehyung Kim;Woosung Kim;Vinicius C. Cunha;Surya Santoso
2022 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2022 | Conference Paper |
This paper demonstrates a tool for quasi-static time series (QSTS) simulation for permanently isolated military nanogrids using steady-state equivalent circuit inverter models. Grid-forming and grid-following inverters are connected to PV generation and energy storage systems. The tool facilitates planning and operation of such grids by analyzing steady-state operation, fuel consumption, energy en...Show More
Demonstration of Quasi-Static Time-Series Power Flow Studies for Islanded Three-Phase Microgrids
Vinicius C. Cunha;Taehyung Kim;Nicholas Barry;Surya Santoso;Walmir Freitas
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)
Year: 2022 | Conference Paper |
The increasing penetration of distributed energy resources (DERs) in distribution systems led to an increase in interest in islanded microgrids. As a consequence, new simulation tools are required by utilities to leverage the benefits of these new system configurations. In this context, this work presents quasi-static time-series (QSTS) power flow studies using a method that utilizes the solution ...Show More
A Proposal of Quasi-Static Approach for Analyzing the Stability of IP Telephony Systems
Seventh International Conference on Networking (icn 2008)
Year: 2008 | Conference Paper |
Cited by: Papers (1)
Troubles in commercial IP telephony systems were reported one after another recently in Japan. One of important causes is congestion of control plane. In the current Internet, it has been recognized that controlling congestions caused by overload of control plane becomes important in addition to congestions caused by overload of data plane. In particular, since input traffic including retries tend...Show More
Using quasi-static model for water/power management of a stand-alone wind/photovoltaic/BWRO desalination system without batteries
2016 7th International Renewable Energy Congress (IREC)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
This paper is focused on modeling and energy management of one particular type of Brackish Water Reverse Osmosis (BWRO) desalination unit: a small-scale unit installed in remote areas. This kind of system, involving several water subsystems (hydro-mechanical processes), is powered by an intermittent energy source (PV-Wind turbine) via a DC bus. Such an autonomous system is characterized by a hydra...Show More
Monte Carlo Based Method for Parallelizing Quasi-Static Time-Series Power System Simulations
2018 IEEE International Conference on Probabilistic Methods Applied to Power Systems (PMAPS)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
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. Parallelization however introduces errors in the simulation re...Show More
Novel Performance Index and Multi-layered Information Structure for Monitoring Quasi-static Voltage Problems
2007 IEEE Power Engineering Society General Meeting
Year: 2007 | Conference Paper |
Cited by: Papers (1)
In this paper we propose a novel performance index and a multi-layered information structure for monitoring potential quasi-static voltage problems in electrical power systems. The proposed performance index is based on the sensitivity of the smallest singular value of the power flow Jacobian matrix with respect to the corresponding system load level. This performance index is computed at differen...Show More
Implementation of Quasi-Static Time Series Simulations for Analysis of the Impact of Electric Vehicles on the Grid
Cyril Allenspach;Reto Högger;Artjoms Obushevs;Petr Korba;Helen Reist
2019 IEEE 60th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
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. A synthetic EV mix pattern was used with the purpose to demonstrate a universal observation of charging impacts. These patterns were a...Show More
This paper describes a new method for rapidly detecting modal deterioration in large interconnected multimodal power systems. Any "sudden detrimental change" of an individual mode is detected using strategies derived from optimal detection theory. A statistical characterisation is used to establish reliable thresholds for detection of individual mode changes.Show More
Quasi-static time-series test feeder for PV integration analysis on distribution systems
2012 IEEE Power and Energy Society General Meeting
Year: 2012 | Conference Paper |
Cited by: Papers (60)
This paper presents a quasi-static time-series test feeder based on the well-known 34 node test feeder [1]. This test feeder is useful for the evaluation and quantification the distribution system impacts of distributed PV integrations. The load profiles and solar resource profiles used are both publically available. The quasi-static time-series test feeder has been developed using data for the ye...Show More
A time-delay differential-algebraic phasor formulation of the large power system dynamics
Proceedings of IEEE International Symposium on Circuits and Systems - ISCAS '94
Year: 1994 | Conference Paper |
Cited by: Papers (19)
This paper presents a time-delay formulation of the large power system dynamics which includes modeling the fast distributed parameter transmission system dynamics from within the familiar phasor domain of the equipment dynamics. The notion of fast time-varying phasors proposed recently for the balanced power system leads to explicit solutions in the form of time-delayed algebraic equations for th...Show More
Including UPFC dynamic phasor model into transient stability program
IEEE Power Engineering Society General Meeting, 2005
Year: 2005 | Conference Paper |
Cited by: Papers (1)
In this paper a novel time simulation approach is introduced to implement transient stability analysis with FACTS devices, in which FACTS devices uses dynamic phasor models and interface properly with conventional electromechanical transient-model-based stability program. The unified power flow controller (UPFC) is used as an example to demo the realization of the approach. In the paper, the UPFC ...Show More
Assessing the effect of nearly-zero energy buildings on distribution systems by means of quasi-static time series power flow simulations
Pablo Arboleya;Miguel Huerta;Bassam Mohamed;Cristina González-Morán;Xavier Domínguez
2017 IEEE Power & Energy Society General Meeting
Year: 2017 | Conference Paper |
In the present work, an integrated software able to assess the impact of the nearly-Zero Energy Buildings (nZEBs) over the distribution network is presented. The software creates quasi-static time series for the buildings consumption, generation and storage systems and combines this data with power flow analyses of the grid. The European regulation already imposed the massive use of nZEB in the sh...Show More
Standards Dictionary Terms
- Hall-effect probe:
- ac electric field strength meter:
- ac electric field strength:
- ac power-line fields:
- average sensing rms detector:
- coil probe:
- crosstalk:
- electric field strength meter:
- electric flux density ( D ):
- electric potential difference:
- electro-optic field meter:
- field uniformity:
- fluxgate magnetometer:
- free-body meter:
- frequency response (bandwidth):
- frequency:
- ground reference meter:
- harmonic content:
- magnetic flux density meter:
- magnetic flux density:
- maximum value of the electric field strength:
- maximum value of the magnetic field:
- measurement uncertainty:
- pass band:
- peak value of the field strength:
IEEE Account
Purchase Details
Profile Information
Need Help?
- US & Canada: +1 800 678 4333
- Worldwide: +1 732 981 0060
- Contact & Support
- About IEEE Xplore
- Contact Us
- Help
- Accessibility
- Terms of Use
- Nondiscrimination Policy
- Sitemap
- Privacy & Opting Out of Cookies
A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.
© Copyright 2025 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.