Intelligent Classification Method for Grid-Monitoring Alarm Messages Based on Information Theory

Guoqiang Sun, Xiaoliu Ding, Zhinong Wei, Peifeng Shen, Yang Zhao, Qiugen Huang, Liang Zhang and Haixiang Zang
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Guoqiang Sun: College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
Xiaoliu Ding: College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
Zhinong Wei: College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
Peifeng Shen: Nanjing Power Supply Company of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210019, China
Yang Zhao: Nanjing Power Supply Company of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210019, China
Qiugen Huang: Nanjing Power Supply Company of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210019, China
Liang Zhang: Nanjing Power Supply Company of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210019, China
Haixiang Zang: College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China

Energies, 2019, vol. 12, issue 14, 1-18

Abstract: Alarm messages for grid monitoring are an important way to supervise the operation of power grids. Since the use of alarm messages is increasing exponentially due to the continuous expansion of the scale of power grids, a processing method for alarm messages based on statistics is proposed in this study. Entropy theory in information theory is introduced into the calculation of information value in power-grid alarming. By means of multiple entropy definitions, an evaluation index system for information value is constructed. Based on the analytic hierarchy process (AHP), various alarm-message entropies are used as indices to comprehensively assess the information value and level of each alarm message. Finally, an example is given to illustrate the effectiveness and practicality of the proposed method. This study provides a new idea for the intelligent classification of alarm messages.

Keywords: information theory; entropy; alarm message; grid monitoring; analytic hierarchy process (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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