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Title: Risk-Oriented PMU Placement Approach in Electric Power Systems

Abstract

The objective of traditional PMU placement approaches is to use the minimal number of PMUs to cover system complete observability. Very few consider the probability and the consequence severity of observability loss. For example, following line trip, grid topology changes, which may results in observability loss and overloaded lines. As long as the overloaded lines are still observable, then we can take action in time to correct the system; and the consequence of the observability loss is not severe, although some parts of the system is not observable. Otherwise, if the overloaded lines become unobservable, then we lose the situation awareness of the system and the consequence of the observability loss is severe. To address the above points in PMU placement, this paper proposes a risk-oriented PMU placement approach. The proposed approach uses two indices, namely the probability of observability loss and its corresponding consequence of severity to design the optimal PMU placement strategy. We show that our proposed approach is able to capture the critical events while the traditional approaches fail to do so. Extensive simulation results carried out on the IEEE 39-bus and 118-bus systems demonstrate its effectiveness.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [1];  [1]
  1. BATTELLE (PACIFIC NW LAB)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1599131
Report Number(s):
PNNL-SA-128708
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
IET Generation, Transmission and Distribution
Additional Journal Information:
Journal Volume: 14; Journal Issue: 2
Country of Publication:
United States
Language:
English
Subject:
observability, risk of observability loss, PMUs placement

Citation Formats

Wang, Shaobu, Huang, Renke, Ke, Xinda, Zhao, Junbo, Fan, Rui, Wang, Hong, Huang, Zhenyu, Visweswara Sathanur, Arun, and Vrabie, Draguna L. Risk-Oriented PMU Placement Approach in Electric Power Systems. United States: N. p., 2020. Web. doi:10.1049/iet-gtd.2019.0957.
Wang, Shaobu, Huang, Renke, Ke, Xinda, Zhao, Junbo, Fan, Rui, Wang, Hong, Huang, Zhenyu, Visweswara Sathanur, Arun, & Vrabie, Draguna L. Risk-Oriented PMU Placement Approach in Electric Power Systems. United States. doi:10.1049/iet-gtd.2019.0957.
Wang, Shaobu, Huang, Renke, Ke, Xinda, Zhao, Junbo, Fan, Rui, Wang, Hong, Huang, Zhenyu, Visweswara Sathanur, Arun, and Vrabie, Draguna L. Fri . "Risk-Oriented PMU Placement Approach in Electric Power Systems". United States. doi:10.1049/iet-gtd.2019.0957.
@article{osti_1599131,
title = {Risk-Oriented PMU Placement Approach in Electric Power Systems},
author = {Wang, Shaobu and Huang, Renke and Ke, Xinda and Zhao, Junbo and Fan, Rui and Wang, Hong and Huang, Zhenyu and Visweswara Sathanur, Arun and Vrabie, Draguna L.},
abstractNote = {The objective of traditional PMU placement approaches is to use the minimal number of PMUs to cover system complete observability. Very few consider the probability and the consequence severity of observability loss. For example, following line trip, grid topology changes, which may results in observability loss and overloaded lines. As long as the overloaded lines are still observable, then we can take action in time to correct the system; and the consequence of the observability loss is not severe, although some parts of the system is not observable. Otherwise, if the overloaded lines become unobservable, then we lose the situation awareness of the system and the consequence of the observability loss is severe. To address the above points in PMU placement, this paper proposes a risk-oriented PMU placement approach. The proposed approach uses two indices, namely the probability of observability loss and its corresponding consequence of severity to design the optimal PMU placement strategy. We show that our proposed approach is able to capture the critical events while the traditional approaches fail to do so. Extensive simulation results carried out on the IEEE 39-bus and 118-bus systems demonstrate its effectiveness.},
doi = {10.1049/iet-gtd.2019.0957},
journal = {IET Generation, Transmission and Distribution},
number = 2,
volume = 14,
place = {United States},
year = {2020},
month = {1}
}

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