Distribution automation systems with advanced features

Greer, R; Allen, Will; Schnegg, Jim; Dulmage, Andrew

doi:10.1109/repcon.2011.5756721

Cited by 18 publications

(10 citation statements)

References 3 publications

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“…Within (i) a generation and transmission system as well as (ii) a distribution system, power is possible to flow in different ways. This is crucial for (i) the protection of the power grid [11] and (ii) its optimization based on market strategies or economic and environmental policies [17,25]. One way to control the power flow is by switching the power flow on or off between different nodes in a topology, e.g.…”

Section: Dynamic Switching Of Power Flowmentioning

confidence: 99%

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Organizational Control Reconfigurations for a Robust Smart Power Grid

Pournaras

Yao

Ambrosio

et al. 2013

Internet of Things and Inter-Cooperative Computational Technologies for Collective Intelligence

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Large-scale cyber-physical infrastructures, such as the Smart Power Grid, are envisioned as some of the core elements of the future Internet of Things. These critical infrastructures move more and more beyond centralized management and control by system operators and administrators. Overloading and failures in the Smart Power Grid threaten the matching of demand-supply especially when new emerging technologies are integrated such as micro-generation, renewable energy resources and electrical vehicles. The integration of these technologies in the Smart Power Grid make the concept of Internet of Things highly applicable in the energy domain. The introduction of automated and decentralized protection mechanisms requires embedded control elements that perform organizational reconfigurations themselves in a spatially distributed environment. The dynamic input and output binding between such control elements is an example of an organization reconfiguration that is traditionally managed offline during the design phase of a cyberphysical system. An introduced computational intelligence for the purpose of such organizational control reconfigurations requires the interoperation with the rest of the control logic during runtime. This book chapter illustrates a model that makes this interoperation possible: ALSOS-ICS, the Application-level Self-Organization Services for Internet-scale Control Systems. Four incremental protection levels for the robustness of the Smart Power Grid illustrate the requirements of organizational control reconfigurations and the applicability of ALSOS-ICS in this domain.

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Section: Dynamic Switching Of Power Flowmentioning

confidence: 99%

“…in the topology of the distribution system. Switching is technically possible by using relays, switches, circuit breakers or reclosers [11]. Switching provides some form of redundancy or flexibility as power can be made available via alternative distribution paths.…”

Section: Dynamic Switching Of Power Flowmentioning

confidence: 99%

Organizational Control Reconfigurations for a Robust Smart Power Grid

Pournaras

Yao

Ambrosio

et al. 2013

Internet of Things and Inter-Cooperative Computational Technologies for Collective Intelligence

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“…The investigations in [14] show different types of substation automation and demonstrate the improvement of substation reliability indices and the effects of the automated substation on distribution system reliability. In references [15,16], the positive effects of communication networks on the performance of distribution automation have been studied. Moreover, the authors in [16] have described a distributed multi-agent approach to analyze the performance of a faulty location and isolation along a distribution feeder.…”

Section: Introductionmentioning

confidence: 99%

Distribution automation effects on reliability during major contingencies

Yoldaş

Önen

Alan

et al. 2018

2018 18th International Conference on Harmonics and Quality of Power (ICHQP)

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Distribution automation affects reliability by providing faster restoration ability. In this study, the effect of distribution automation on radial distribution circuits during substation failures at peak load is investigated. The ultimate goal is to compare circuit automation to manual operation, where the comparison evaluates planning criteria reliability for customer interruption hours. The results show that distribution automation can improve reliability measurements such as SAIDI, SAIFI and CAIDI.

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“…The medium is reliable, secure, and uses frequency signals between 30 kHz and 500 kHz, with a baud rate of 9600. PLCC was installed and tested on 220/230, 110/115 and 66 kV power lines [40][41][42]. This technology can cover distance of 200 m with data rate >1 Mbps, or distance >3 km with data rate between 10 and 500 Kbps [37,43].…”

mentioning

confidence: 99%

Communication Requirements for a Hybrid VSC Based HVDC/AC Transmission Networks State Estimation

et al. 2021

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The communication infrastructure of the modern Supervisory, Control and Data Acquisition (SCADA) system continues to enlarge, as hybrid High Voltage Direct Current (HVDC)/Alternating Current (AC) networks emerge. A centralized SCADA faces challenges to meet the time requirements of the two different power networks topologies, such as employing the SCADA toolboxes for both grids. This paper presents the modern communication infrastructure and the time requirements of a centralized SCADA for hybrid HVDC/AC network. In addition, a case study of a complete cycle for a unified Weighted Least Squares (WLS) state estimation is tested on a hybrid HVDC/AC transmission network, based on Voltage Source Converter (VSC). The cycle estimates the elapsed times from the sensors up to the SCADA side, including the data acquisition and the WLS processing times. The case study is carried out on the Cigre B4 DC test case network with 43 virtual Remote Terminal Unit (RTU)s installed and 10 data concentrators, all connected through a fiber-based communication network. It is concluded that the time requirements can be fulfilled for a hybrid HVDC/AC network.

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Distribution automation systems with advanced features

Cited by 18 publications

References 3 publications

Organizational Control Reconfigurations for a Robust Smart Power Grid

Organizational Control Reconfigurations for a Robust Smart Power Grid

Distribution automation effects on reliability during major contingencies

Communication Requirements for a Hybrid VSC Based HVDC/AC Transmission Networks State Estimation

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