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Title: Wide-area Demand-side Control for Inter-area Oscillation Mitigation in Power Systems

Abstract

Inter-area oscillations have severely limited maximum power transfer among different areas in large-scale interconnected power grid. If not quickly damped as soon as possible, they may cause system breakup and even lead to large cascading blackouts. To increase the damping of inter-area oscillations, both power system stabilizer~(PSS) and flexible AC transmission system~(FACTS) controller have been widely considered, which affect the real power flow indirectly. However, the effectiveness of these controllers is restricted to the neighborhood of a prescribed set of operating conditions. In this paper, wide-area demand-side control is developed to directly modulate the real power of end-user loads for oscillation mitigation. The proposed control strategy is implemented in a hierarchical manner. At the device layer, individual end-user loads independently turn ON or OFF in response to the broadcasted signals from the coordinator during the real time. At the supervisory layer, autonomous responses of end-user loads are coordinated to ensure the desired power modulation. The effectiveness of the proposed wide-area demand-side control in improving small-signal stability is illustrated by simulations on a large-scale test system.

Authors:
 [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1]
  1. BATTELLE (PACIFIC NW LAB)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1512718
Report Number(s):
PNNL-SA-128554
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Conference
Resource Relation:
Conference: IEEE/PES Transmission and Distribution Conference and Exposition (T&D 2018), April 16-19 2018, Denver, CO
Country of Publication:
United States
Language:
English

Citation Formats

Lian, Jianming, Zhang, Qian, Marinovici, Laurentiu D., Fan, Rui, and Hansen, Jacob. Wide-area Demand-side Control for Inter-area Oscillation Mitigation in Power Systems. United States: N. p., 2018. Web. doi:10.1109/TDC.2018.8440257.
Lian, Jianming, Zhang, Qian, Marinovici, Laurentiu D., Fan, Rui, & Hansen, Jacob. Wide-area Demand-side Control for Inter-area Oscillation Mitigation in Power Systems. United States. doi:10.1109/TDC.2018.8440257.
Lian, Jianming, Zhang, Qian, Marinovici, Laurentiu D., Fan, Rui, and Hansen, Jacob. Mon . "Wide-area Demand-side Control for Inter-area Oscillation Mitigation in Power Systems". United States. doi:10.1109/TDC.2018.8440257.
@article{osti_1512718,
title = {Wide-area Demand-side Control for Inter-area Oscillation Mitigation in Power Systems},
author = {Lian, Jianming and Zhang, Qian and Marinovici, Laurentiu D. and Fan, Rui and Hansen, Jacob},
abstractNote = {Inter-area oscillations have severely limited maximum power transfer among different areas in large-scale interconnected power grid. If not quickly damped as soon as possible, they may cause system breakup and even lead to large cascading blackouts. To increase the damping of inter-area oscillations, both power system stabilizer~(PSS) and flexible AC transmission system~(FACTS) controller have been widely considered, which affect the real power flow indirectly. However, the effectiveness of these controllers is restricted to the neighborhood of a prescribed set of operating conditions. In this paper, wide-area demand-side control is developed to directly modulate the real power of end-user loads for oscillation mitigation. The proposed control strategy is implemented in a hierarchical manner. At the device layer, individual end-user loads independently turn ON or OFF in response to the broadcasted signals from the coordinator during the real time. At the supervisory layer, autonomous responses of end-user loads are coordinated to ensure the desired power modulation. The effectiveness of the proposed wide-area demand-side control in improving small-signal stability is illustrated by simulations on a large-scale test system.},
doi = {10.1109/TDC.2018.8440257},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {4}
}

Conference:
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