Grid stabilization using adjusted voltage regulator response to grid characteristics

Schneider, Kevin P.; Tuffner, Francis K.; Hansen, Jacob; Tang, Yingying; Radhakrishnan, Nikitha; Mana, Priya Thekkumparambath

Title: Grid stabilization using adjusted voltage regulator response to grid characteristics

Abstract

Apparatus and methods are disclosed for control systems for improving stability of electrical grids by temporarily reducing voltage output of electrical generators responsive to transient events on an electrical grid. In one example of the disclosed technology, a controller is coupled is to an automatic voltage regulator, which in turn adjusts excitation current of an electrical generator responsive to changes in frequency detected for the electrical grid. Reducing the output voltage temporarily allows for smaller generators to provide power to the microgrid. Methods for selecting parameters determining how the controller generates a regulation signal used to adjust the excitation current are further disclosed.

Inventors:: Schneider, Kevin P.; Tuffner, Francis K.; Hansen, Jacob; Tang, Yingying; Radhakrishnan, Nikitha; Mana, Priya Thekkumparambath

Issue Date:: 2020-09-22

Research Org.:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1735307

Patent Number(s):: 10784686

Application Number:: 15/875,981

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Classifications (CPCs):: H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER

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H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J2300/10 - The dispersed energy generation being of fossil origin, e.g. diesel generators
H02J3/241 - {The oscillation concerning frequency}
H02J3/381 - {Dispersed generators}

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DOE Contract Number:: AC05-76RL01830

Resource Type:: Patent

Resource Relation:: Patent File Date: 01/19/2018

Country of Publication:: United States

Language:: English

Subject:: 24 POWER TRANSMISSION AND DISTRIBUTION; 42 ENGINEERING

Citation Formats


                    Schneider, Kevin P., Tuffner, Francis K., Hansen, Jacob, Tang, Yingying, Radhakrishnan, Nikitha, and Mana, Priya Thekkumparambath. Grid stabilization using adjusted voltage regulator response to grid characteristics.  United States: N. p., 2020. 
        Web.

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                    Schneider, Kevin P., Tuffner, Francis K., Hansen, Jacob, Tang, Yingying, Radhakrishnan, Nikitha, & Mana, Priya Thekkumparambath. Grid stabilization using adjusted voltage regulator response to grid characteristics.  United States.

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                    Schneider, Kevin P., Tuffner, Francis K., Hansen, Jacob, Tang, Yingying, Radhakrishnan, Nikitha, and Mana, Priya Thekkumparambath. Tue .  
        "Grid stabilization using adjusted voltage regulator response to grid characteristics".  United States.  https://www.osti.gov/servlets/purl/1735307.

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@article{osti_1735307,

  title        = {Grid stabilization using adjusted voltage regulator response to grid characteristics},

  author       = {Schneider, Kevin P. and Tuffner, Francis K. and Hansen, Jacob and Tang, Yingying and Radhakrishnan, Nikitha and Mana, Priya Thekkumparambath},

  abstractNote = {Apparatus and methods are disclosed for control systems for improving stability of electrical grids by temporarily reducing voltage output of electrical generators responsive to transient events on an electrical grid. In one example of the disclosed technology, a controller is coupled is to an automatic voltage regulator, which in turn adjusts excitation current of an electrical generator responsive to changes in frequency detected for the electrical grid. Reducing the output voltage temporarily allows for smaller generators to provide power to the microgrid. Methods for selecting parameters determining how the controller generates a regulation signal used to adjust the excitation current are further disclosed.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {9}

}

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Title: Grid stabilization using adjusted voltage regulator response to grid characteristics

Abstract

Citation Formats

Automated voltage support from load resources patent, June 2018

Automatic voltage regulator, automatic voltage regulating method, generator excitation system, and power generation system patent, January 2019

Battery charging control methods, electric vehicle charging methods, battery charging apparatuses and rechargeable battery systems patent, May 2012

Effects of distributed energy resources on conservation voltage reduction (CVR) conference, July 2011

Grid Friendly Appliance Controllers to Increase the Dynamic Stability of Networked Resiliency-based Microgrids conference, April 2018

Grid regulation services for energy storage devices based on grid frequency patent, July 2013

Method of Evaluating Change in Energy Consumption Due to Volt VAR Optimization patent-application, March 2016

Grid regulation services for energy storage devices based on grid frequency patent, September 2017

Conservation voltage reduction (CVR) at Snohomish County PUD journal, January 1991

Droop Control as an Alternative Inertial Response Strategy for the Synthetic Inertia on Wind Turbines journal, March 2016

Analytic Considerations and Design Basis for the IEEE Distribution Test Feeders journal, May 2018

Thermal energy storage devices, systems, and thermal energy storage device monitoring methods patent, September 2016

Implementation of conservation voltage reduction at Commonwealth Edison journal, January 1990

Evaluating the Magnitude and Duration of Cold Load Pick-up on Residential Distribution Feeders Using Multi-State Load Models journal, September 2016

Multi-State Load Models for Distribution System Analysis journal, November 2011

Control System for Maintaining Preferred Battery Levels in a Microgrid patent-application, October 2017

Grid regulation services for energy storage devices based on grid frequency patent, April 2014

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A Method for Evaluating Volt-VAR Optimization Field Demonstrations journal, July 2014

Extremum Seeking control of smart inverters for VAR compensation conference, July 2015

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Conservation Voltage Reduction (CVR) at Northeast Utilities journal, January 1987

Phasor modeling approach for single phase A/C motors conference, July 2008

Whole house and power system analysis via grid connected appliance patent, April 2018

Whole House and Power System Analysis Via Grid Connected Appliance patent-application, October 2016

Voltage-VAr optimization (VVO) future trends, challenges and opportunities conference, April 2017

Preventing conflicts among bid curves used with transactive controllers in a market-based resource allocation system patent, March 2017

Frequency Control in Isolated/Islanded Microgrids Through Voltage Regulation journal, May 2017

Hierarchal Framework for Integrating Distributed Energy Resources into Distribution Systems patent-application, January 2019

Battery System Management Through Non-Linear Estimation of Battery State of Charge patent-application, May 2018

Enabling Resiliency Operations Across Multiple Microgrids With Grid Friendly Appliance Controllers journal, September 2018

Microgrids for Service Restoration to Critical Load in a Resilient Distribution System journal, January 2018

Dynamic Adjustment of Power Plant Output Based On Electrical Grid Characteristics patent-application, June 2012

Automated voltage support from load resources
patent, June 2018

Automatic voltage regulator, automatic voltage regulating method, generator excitation system, and power generation system
patent, January 2019

Battery charging control methods, electric vehicle charging methods, battery charging apparatuses and rechargeable battery systems
patent, May 2012

Effects of distributed energy resources on conservation voltage reduction (CVR)
conference, July 2011

Grid Friendly Appliance Controllers to Increase the Dynamic Stability of Networked Resiliency-based Microgrids
conference, April 2018

Grid regulation services for energy storage devices based on grid frequency
patent, July 2013

Method of Evaluating Change in Energy Consumption Due to Volt VAR Optimization
patent-application, March 2016

Grid regulation services for energy storage devices based on grid frequency
patent, September 2017

Conservation voltage reduction (CVR) at Snohomish County PUD
journal, January 1991

Droop Control as an Alternative Inertial Response Strategy for the Synthetic Inertia on Wind Turbines
journal, March 2016

Analytic Considerations and Design Basis for the IEEE Distribution Test Feeders
journal, May 2018

Thermal energy storage devices, systems, and thermal energy storage device monitoring methods
patent, September 2016

Implementation of conservation voltage reduction at Commonwealth Edison
journal, January 1990

Evaluating the Magnitude and Duration of Cold Load Pick-up on Residential Distribution Feeders Using Multi-State Load Models
journal, September 2016

Multi-State Load Models for Distribution System Analysis
journal, November 2011

Control System for Maintaining Preferred Battery Levels in a Microgrid
patent-application, October 2017

Grid regulation services for energy storage devices based on grid frequency
patent, April 2014

Adaptive Dynamic Simulations for Distribution Systems Using Multistate Load Models
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A Method for Evaluating Volt-VAR Optimization Field Demonstrations
journal, July 2014

Extremum Seeking control of smart inverters for VAR compensation
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Impact of V2G on real-time adaptive Volt/VAr optimization of distribution networks
conference, August 2013

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journal, January 1987

Phasor modeling approach for single phase A/C motors
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Whole house and power system analysis via grid connected appliance
patent, April 2018

Whole House and Power System Analysis Via Grid Connected Appliance
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patent, March 2017

Frequency Control in Isolated/Islanded Microgrids Through Voltage Regulation
journal, May 2017

Hierarchal Framework for Integrating Distributed Energy Resources into Distribution Systems
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