Ethernet in substation automation

Skeie, Tor; Johannessen, S.; Brunner, Christoph

doi:10.1109/mcs.2002.1003998

Cited by 156 publications

(9 citation statements)

References 1 publication

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“…Latency was also increased from average 3 ms to 9 ms as shown in Fig. 7, which is well above the requirement of normal power system operations, i.e., 4 ms. 15 In third scenario, we again chose a secondary link of lesser capacity; however, we applied QoS in wind farm traffic. High priority was assigned to mandatory traffic to get preference over operational traffic.…”

Section: Resultsmentioning

confidence: 99%

Resiliency in offshore wind farm communication networks

Gajrani

Sharma

Bhargava

2013

Journal of Renewable and Sustainable Energy

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Wind energy is getting a considerable attention worldwide from the fraternity of the power system engineers as clean and green energy that can help reduce the carbon content and limit dependence on conventional fossil fuels. This has lead to the development of offshore wind farms in last few years. Real time monitoring and control of offshore wind farm require high speed, reliable, fault resilient, and cost effective communication infrastructure. The availability and reliability of wind energy mainly depend on resilient communication network. This can be achieved through a combination of redundancy and Quality of Service (QoS). In this paper, we have proposed fault resilient architecture of the medium scale offshore wind farm and simulated different fault scenarios based on IEC 61400-25 standard in OPNET. The wind farm communication is based on Transmission Control Protocol and Internet Protocol. The performance has been analysed with respect to QoS in terms of latency, traffic drop, and traffic congestion. V C 2013 AIP Publishing LLC [http://dx.

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Section: Resultsmentioning

confidence: 99%

Resiliency in offshore wind farm communication networks

Gajrani

Sharma

Bhargava

2013

Journal of Renewable and Sustainable Energy

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“…Currently, the most commonly used network protocols in NCSs are CAN, PROFIBUS, Ethernet/IP, Control-NET and DeviceNET [1] [2]. However, a new trend has recently gained momentum, namely the use of Ethernet [3]- [9]. This is expected to significantly reduce equipment cost as well as installation and maintenance costs in the context of factory automation.…”

Section: Introductionmentioning

confidence: 99%

Multi-Node Fault-Tolerant Two-Cell Real-Time S2A Network

Eita¹,

Hussein²,

Ibrahim³

et al. 2016

ICA

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This paper presents a novel fault-tolerant networked control system architecture consisting of two cells working in-line. This architecture is fault-tolerant at the level of the controllers as well as the sensors. Each cell is based on the sensor-to-actuator approach and has an additional supervisor node. It is proven, via analysis as well as OMNeT++ simulations that the production line succeeds in meeting all control system requirements with no dropped or over-delayed packets. A reliability analysis is then undertaken to quantitatively estimate the increase in reliability due to the introduction of fault-tolerance.

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“…Ethernet (IEEE Std. 802.3) [7], despite its non-deterministic nature, is a promising protocol that is being applied in NCS [8,9]. Packet Scheduling and reformatting the Ethernet packet were the main approaches to overcome the nondeterministic nature of Ethernet [10,11].…”

Section: Introductionmentioning

confidence: 99%

Reliable Train Network with Active Supervisor

Hassan¹,

Daoud²,

Amer

2013

JTTs

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In this paper, a new reliable hierarchical model is suggested for a two-wagon train Networked Control System. Each wagon has a Controller that carries the control load and an Entertainment server that handles the entertainment. A supervisory controller runs on top of the two controllers and the two entertainment servers. Contrary to a similar model in the literature, the Supervisory node replaces a Controller as soon as it fails (Active Supervisor). All system states are analyzed and simulated using OPNET. It is shown that, for all states, this architecture has zero control packets dropped and the end-to-end delay is below the maximum target delay. A comparison between this Active model and the other model in the literature is presented. It is found that the entertainment in this new architecture is kept available for the passengers in more of the system states when compared to the architecture previously presented in the literature.

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Ethernet in substation automation

Cited by 156 publications

References 1 publication

Resiliency in offshore wind farm communication networks

Resiliency in offshore wind farm communication networks

Multi-Node Fault-Tolerant Two-Cell Real-Time S2A Network

Reliable Train Network with Active Supervisor

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