Impact of transport layer protocols on reliable information access in smart grids

Kamal, Shahid; Saeed, Aamir; Kristensen, Thomas le Fevre; Olsen, Rasmus Løvenstein

doi:10.1109/isgteurope.2017.8260250

Cited by 2 publications

(1 citation statement)

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“…For UDP based protocols packet losses leads directly to a loss of message (control or measurement update), while TCP, if connectivity is otherwise reasonable, leads to retransmission and prolonged delays, and may be treated by special stochastic delays, see e.g. [19].…”

Section: B Packet Dropmentioning

confidence: 99%

Hybrid Modeling of Cyber-Physical Distribution Grids

Hassani

Bendtsen

Olsen

2021

2021 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm)

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Penetration of distributed generation into distribution grids brings new demands for both centralized and distributed control at the low-voltage level. In particular, when trying to coordinate the production from distributed generation, communication becomes an important aspect of control design. However, whereas local control typically occurs at sub-second resolution, communication between geographically separate locations based on e.g., smart meter data, commonly takes place at much lower frequencies, such as on an hourly basis or even slower. Therefore, novel distribution grids should be analyzed and controlled within the context of cyber-physical systems. Hybrid systems, which cover systems that have both continuous and discrete dynamics, provide the natural setting for such analysis. In this paper, a hybrid model of the distribution grid considering both the continuous states of the power network and the discrete nature of the communication is presented, capturing the different update rates of centralized and local controllers in the modeling process. Simulation results show good agreement with data from a real-life system.

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Section: B Packet Dropmentioning

confidence: 99%