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Several hierarchical centralized control schemes for either rotor angle or voltage stability improvement have been proposed in the literature. They all rely on exchanging information between different subsystems of a large-scale power system. By contrast, in this paper, we propose a hierarchical decentralized control scheme to enhance a unified manner rotor angle and voltage stability while using...
The Common Information Model (CIM) - IEC 61970, a well-known industry standard data model, is used to describe networked physical assets in an electrical power grid. Whereas this data model can be used to represent most detailed description of grid assets, currently it has limited application in power system network modeling. This is due to a couple of reasons. Firstly, many applications only require...
A number of techniques have been proposed to detect voltage instability in power systems. Most of these techniques are either applied to fast local controls using local measurements or to centralized control using wide-area measurements. While the local detection schemes do not have sufficient situational awareness to suitably respond during a cascading failure, wide-area detection schemes overcomes...
The advent of microgrids has made possible a host of applications geared toward the enhancement of the efficiency, reliability, resiliency, and sustainability of an electric power system. With a large penetration of microgrids in a power distribution system, a dedicated communication network infrastructure is needed to coordinate their control actions under various system operating conditions. This...
The consideration of reliability as an “afterthought” in product development has proven to be “terribly expensive” and “ineffective procedure”. The right time to start considering reliability is the time when system and design concepts are being formulated. This leads a system designer to first choose an appropriate reliability assessment model to evaluate his system, followed by the prognosis of...
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