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Title: Machine Learning for Power System Disturbance and Cyber-attack Discrimination

Power system disturbances are inherently complex and can be attributed to a wide range of sources, including both natural and man-made events. Currently, the power system operators are heavily relied on to make decisions regarding the causes of experienced disturbances and the appropriate course of action as a response. In the case of cyber-attacks against a power system, human judgment is less certain since there is an overt attempt to disguise the attack and deceive the operators as to the true state of the system. To enable the human decision maker, we explore the viability of machine learning as a means for discriminating types of power system disturbances, and focus specifically on detecting cyber-attacks where deception is a core tenet of the event. We evaluate various machine learning methods as disturbance discriminators and discuss the practical implications for deploying machine learning systems as an enhancement to existing power system architectures.
 [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [2]
  1. ORNL
  2. Mississippi State University (MSU)
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Conference: 7th International Symposium on Resilient Control Systems, Denver, CO, USA, 20140819, 20140821
Research Org:
Oak Ridge National Laboratory (ORNL)
Sponsoring Org:
ORNL LDRD Director's R&D
Country of Publication:
United States
machine learning; cyber-attack; SCADA; Smart grid