Hierarchical distributed voltage regulation

Zhou, Xinyang; Zhao, Changhong; Liu, Zhiyuan; Chen, Lijun

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Title: Hierarchical distributed voltage regulation

Abstract

Embodiments of the disclosure provide for hierarchically distributed voltage regulation and power flow optimization in a power distribution network. According to one embodiment, a regional coordinator system may determine power flow for an autonomous grid (AG) representing a portion of the distribution network based on a set of voltage parameters from nodes in the AG. The set of voltage parameters my include a current voltage magnitude. The regional coordinator system may provide, to a central controller system of the distribution network, one or more power flow parameters based on the determined power flow for the AG.

Inventors:: Zhou, Xinyang; Zhao, Changhong; Liu, Zhiyuan; Chen, Lijun

Issue Date:: 2022-01-18

Research Org.:: National Renewable Energy Laboratory (NREL), Golden, CO (United States); Univ. of Colorado, Denver, CO (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1892550

Patent Number(s):: 11228180

Application Number:: 16/925,225

Assignee:: Alliance for Sustainable Energy, LLC (Golden, CO); The Regents of the University of Colorado, a body corporate (Denver, CO)

Patent Classifications (CPCs):: G - PHYSICS G05 - CONTROLLING G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER

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G - PHYSICS G05 - CONTROLLING G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL
G05B19/042 - using digital processors
G05B2219/2639 - Energy management, use maximum of cheap power, keep peak load low

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J13/00002 - {characterised by monitoring}
H02J2203/10 - Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
H02J2300/24 - of photovoltaic origin
H02J2300/28 - The renewable source being wind energy
H02J3/32 - using batteries with converting means
H02J3/381 - {Dispersed generators}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E10/56 - Power conversion electric or electronic aspects
Y02E40/70 - Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of electrical power generation, transmission or distribution, i.e. smart grids as climate change mitigation technology in the energy generation sector
Y02E60/00 - Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y04 - INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS Y04S - SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
Y04S10/123 - the energy generation units being or involving renewable energy sources
Y04S10/30 - Systems characterised by state monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
Y04S10/50 - Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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DOE Contract Number:: AC36-08GO28308

Resource Type:: Patent

Resource Relation:: Patent File Date: 07/09/2020

Country of Publication:: United States

Language:: English

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                    Zhou, Xinyang, Zhao, Changhong, Liu, Zhiyuan, and Chen, Lijun. Hierarchical distributed voltage regulation.  United States: N. p., 2022. 
        Web.

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                    Zhou, Xinyang, Zhao, Changhong, Liu, Zhiyuan, & Chen, Lijun. Hierarchical distributed voltage regulation.  United States.

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                    Zhou, Xinyang, Zhao, Changhong, Liu, Zhiyuan, and Chen, Lijun. Tue .  
        "Hierarchical distributed voltage regulation".  United States.  https://www.osti.gov/servlets/purl/1892550.

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@article{osti_1892550,

  title        = {Hierarchical distributed voltage regulation},

  author       = {Zhou, Xinyang and Zhao, Changhong and Liu, Zhiyuan and Chen, Lijun},

  abstractNote = {Embodiments of the disclosure provide for hierarchically distributed voltage regulation and power flow optimization in a power distribution network. According to one embodiment, a regional coordinator system may determine power flow for an autonomous grid (AG) representing a portion of the distribution network based on a set of voltage parameters from nodes in the AG. The set of voltage parameters my include a current voltage magnitude. The regional coordinator system may provide, to a central controller system of the distribution network, one or more power flow parameters based on the determined power flow for the AG.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {1}

}

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