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Online closed-loop hierarchical control systems (HCSs) are widely used in power-system operation. Like typical cyber-physical systems, the contingencies on the cyber side of an HCS may lead to inappropriate control commands, which will influence the physical power system. To evaluate the degree to which these inappropriate control commands influence the power system, we propose a cyber-physical equivalent...
By substituting the slow dynamic var compensator (such as synchronous generator) for rapid dynamic var compensator (such as SVC/SVG) in the static conditions, the rapid dynamic reactive power reservation can be significantly boosted. Therefore, the reactive power reservation can respond to the dynamic network disturbance more effectively. This paper proposes a quadratic programming based optimization...
Nowadays, environmental-friendly electric vehicles (EVs) attract great attention around the world. However, the adoption of EVs will impact the power system greatly. Different from previous work which concentrated on “when to charge”, research on “where to charge” to minimize the impacts on power grid is presented based on the interaction with Intelligent Transportation System (ITS). With the transportation...
In order to make the platform more effective, reliable and flexible, multi-agent technology has been used to construct a distributed computing platform for New generation of EMS (N-EMS) in this paper. Staged Event Driven Architecture (SEDA) model and cluster-computing technology are proposed to implement the agents for a single function, and then taking Blackboard model as a media, these agents are...
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