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Title: Assessment of Optimal Flexibility in Ensemble of Frequency Responsive Loads

Abstract

Potential of electrical loads in providing grid ancillary services is often limited due to the uncertainties associated with the load behavior. A knowledge of the expected uncertainties with a load control program would invariably yield to better informed control policies, opening up the possibility of extracting the maximal load control potential without affecting grid operations. In the context of frequency responsive load control, a probabilistic uncertainty analysis framework is presented to quantify the expected error between the target and actual load response, under uncertainties in the load dynamics. A closed-form expression of an optimal demand flexibility, minimizing the expected error in actual and committed flexibility, is provided. Analytical results are validated through Monte Carlo simulations of ensembles of electric water heaters.

Authors:
; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1435891
Report Number(s):
PNNL-SA-126289
TE1101000
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Conference
Resource Relation:
Conference: IEEE International Conference on Smart Grid Communications, October 23-27, 2017, Dresden, Germany, 399-404
Country of Publication:
United States
Language:
English

Citation Formats

Kundu, Soumya, Hansen, Jacob, Lian, Jianming, and Kalsi, Karanjit. Assessment of Optimal Flexibility in Ensemble of Frequency Responsive Loads. United States: N. p., 2018. Web. doi:10.1109/SmartGridComm.2017.8340742.
Kundu, Soumya, Hansen, Jacob, Lian, Jianming, & Kalsi, Karanjit. Assessment of Optimal Flexibility in Ensemble of Frequency Responsive Loads. United States. doi:10.1109/SmartGridComm.2017.8340742.
Kundu, Soumya, Hansen, Jacob, Lian, Jianming, and Kalsi, Karanjit. Thu . "Assessment of Optimal Flexibility in Ensemble of Frequency Responsive Loads". United States. doi:10.1109/SmartGridComm.2017.8340742.
@article{osti_1435891,
title = {Assessment of Optimal Flexibility in Ensemble of Frequency Responsive Loads},
author = {Kundu, Soumya and Hansen, Jacob and Lian, Jianming and Kalsi, Karanjit},
abstractNote = {Potential of electrical loads in providing grid ancillary services is often limited due to the uncertainties associated with the load behavior. A knowledge of the expected uncertainties with a load control program would invariably yield to better informed control policies, opening up the possibility of extracting the maximal load control potential without affecting grid operations. In the context of frequency responsive load control, a probabilistic uncertainty analysis framework is presented to quantify the expected error between the target and actual load response, under uncertainties in the load dynamics. A closed-form expression of an optimal demand flexibility, minimizing the expected error in actual and committed flexibility, is provided. Analytical results are validated through Monte Carlo simulations of ensembles of electric water heaters.},
doi = {10.1109/SmartGridComm.2017.8340742},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Apr 19 00:00:00 EDT 2018},
month = {Thu Apr 19 00:00:00 EDT 2018}
}

Conference:
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