Control of energy storage to reduce electric power system off-nominal frequency deviations
Abstract
A hybrid power generation system is formed by the combination of an energy storage system (ESS) and a rotating synchronous power generator (SPG). Energy is stored in or released from the ESS in response to measurements of the at least one angle parameter, selected from rotor, torque, or power angle of the SPG, to provide active frequency damping of electrical power output. The control of ESS energy exchange increases the stabilizing impact of the SPG inertia on the frequency of electricity in an electrical network or power grid. The hybrid power generation system can have an effective equal area criterion for stability limit that is greater than that of the SPG operating without the ESS. The hybrid power generation system can enable the electrical network to have a greater proportion of variable or distributed energy resource (DER) power generation systems without otherwise exceeding stability limits.
- Inventors:
- Issue Date:
- Research Org.:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 2222140
- Patent Number(s):
- 11728646
- Application Number:
- 16/891,133
- Assignee:
- Battelle Memorial Institute (Richland, WA)
- DOE Contract Number:
- AC05-76RL01830
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/03/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Vartanian, Charles K., Hsieh, Eric, and Alam, Md. Jan E. Control of energy storage to reduce electric power system off-nominal frequency deviations. United States: N. p., 2023.
Web.
Vartanian, Charles K., Hsieh, Eric, & Alam, Md. Jan E. Control of energy storage to reduce electric power system off-nominal frequency deviations. United States.
Vartanian, Charles K., Hsieh, Eric, and Alam, Md. Jan E. Tue .
"Control of energy storage to reduce electric power system off-nominal frequency deviations". United States. https://www.osti.gov/servlets/purl/2222140.
@article{osti_2222140,
title = {Control of energy storage to reduce electric power system off-nominal frequency deviations},
author = {Vartanian, Charles K. and Hsieh, Eric and Alam, Md. Jan E.},
abstractNote = {A hybrid power generation system is formed by the combination of an energy storage system (ESS) and a rotating synchronous power generator (SPG). Energy is stored in or released from the ESS in response to measurements of the at least one angle parameter, selected from rotor, torque, or power angle of the SPG, to provide active frequency damping of electrical power output. The control of ESS energy exchange increases the stabilizing impact of the SPG inertia on the frequency of electricity in an electrical network or power grid. The hybrid power generation system can have an effective equal area criterion for stability limit that is greater than that of the SPG operating without the ESS. The hybrid power generation system can enable the electrical network to have a greater proportion of variable or distributed energy resource (DER) power generation systems without otherwise exceeding stability limits.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {8}
}
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