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Title: Grid regulation services for energy storage devices based on grid frequency

Abstract

Disclosed herein are representative embodiments of methods, apparatus, and systems for charging and discharging an energy storage device connected to an electrical power distribution system. In one exemplary embodiment, a controller monitors electrical characteristics of an electrical power distribution system and provides an output to a bi-directional charger causing the charger to charge or discharge an energy storage device (e.g., a battery in a plug-in hybrid electric vehicle (PHEV)). The controller can help stabilize the electrical power distribution system by increasing the charging rate when there is excess power in the electrical power distribution system (e.g., when the frequency of an AC power grid exceeds an average value), or by discharging power from the energy storage device to stabilize the grid when there is a shortage of power in the electrical power distribution system (e.g., when the frequency of an AC power grid is below an average value).

Inventors:
; ; ;
Issue Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1129187
Patent Number(s):
8700225
Application Number:
13/443,620
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
G - PHYSICS G05 - CONTROLLING G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Apr 10
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Pratt, Richard M, Hammerstrom, Donald J, Kintner-Meyer, Michael C.W., and Tuffner, Francis K. Grid regulation services for energy storage devices based on grid frequency. United States: N. p., 2014. Web.
Pratt, Richard M, Hammerstrom, Donald J, Kintner-Meyer, Michael C.W., & Tuffner, Francis K. Grid regulation services for energy storage devices based on grid frequency. United States.
Pratt, Richard M, Hammerstrom, Donald J, Kintner-Meyer, Michael C.W., and Tuffner, Francis K. Tue . "Grid regulation services for energy storage devices based on grid frequency". United States. https://www.osti.gov/servlets/purl/1129187.
@article{osti_1129187,
title = {Grid regulation services for energy storage devices based on grid frequency},
author = {Pratt, Richard M and Hammerstrom, Donald J and Kintner-Meyer, Michael C.W. and Tuffner, Francis K},
abstractNote = {Disclosed herein are representative embodiments of methods, apparatus, and systems for charging and discharging an energy storage device connected to an electrical power distribution system. In one exemplary embodiment, a controller monitors electrical characteristics of an electrical power distribution system and provides an output to a bi-directional charger causing the charger to charge or discharge an energy storage device (e.g., a battery in a plug-in hybrid electric vehicle (PHEV)). The controller can help stabilize the electrical power distribution system by increasing the charging rate when there is excess power in the electrical power distribution system (e.g., when the frequency of an AC power grid exceeds an average value), or by discharging power from the energy storage device to stabilize the grid when there is a shortage of power in the electrical power distribution system (e.g., when the frequency of an AC power grid is below an average value).},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {4}
}

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