Journal
APPLIED SCIENCES-BASEL
Volume 11, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/app11073101
Keywords
smart grid; situational awareness; edge computing; multi-agent DDPG; deep reinforcement learning
Categories
Funding
- National major RD program [2018YFB0904900, 2018YFB0904905]
- Chile CONICYT FONDECYT Regular [1181809]
- Chile CONICYT FONDEF [ID16I10466]
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This paper introduces the application of edge computing in smart grids to address the drawbacks of the traditional power cloud paradigm. A new deep reinforcement learning algorithm is proposed to analyze the security situational awareness of smart grids, achieving faster convergence and optimal goals.
Advanced communication and information technologies enable smart grids to be more intelligent and automated, although many security issues are emerging. Security situational awareness (SSA) has been envisioned as a potential approach to provide safe services for power systems' operation. However, in the power cloud master station mode, massive heterogeneous power terminals make SSA complicated, and failure information cannot be promptly delivered. Moreover, the dynamic and continuous situational space also increases the challenges of SSA. By taking advantages of edge intelligence, this paper introduces edge computing between terminals and the cloud to address the drawbacks of the traditional power cloud paradigm. Moreover, a deep reinforcement learning algorithm based on the edge computing paradigm of multiagent deep deterministic policy gradient (MADDPG) is proposed. The minimum processing cost under the premise of minimum detection error rate is taken to analyze the smart grids' SSA. Performance evaluations show that the algorithm under this paradigm can achieve faster convergence and the optimal goal, namely the provision of real-time protection for smart grids.
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