Communication network modeling for real-time HIL power system protection test bench

Adrah, Charles M.; Kure, Øivind; Liu, Z.; Høidalen, Hans Kristian

doi:10.1109/powerafrica.2017.7991240

Cited by 10 publications

(7 citation statements)

References 8 publications

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“…1) Real time Hardware-in-the-loop prototyping: Hardwarein-the loop testing platform combined with communication network emulator have been proposed for testing of protection algorithms in inter-substations and even wide area networks. It enables modelling of communication network impairments to study impact on overall protection performance [21], [22].…”

Section: B Methods To Capture Network Delaysmentioning

confidence: 99%

A Method for Performability Study on Wide Area Communication Architectures for Smart Grid

Amare

Adrah

Helvik

2019

2019 7th International Conference on Smart Grid (icSmartGrid)

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An extensive use of ICT is a key feature in the development of next generation smart grids. The ability of the ICT system to meet the real time requirements of the powers system, even when it is degraded due to failures, is essential. This simultaneous study of dependability (reliability) and performance are referred to as performability.This paper presents a method for a performability study on ICT support system of smart grid. It looks into how performance associated properties (timing failures) can be modelled together with properties affecting dependability such as omission or conventional component failures. A two tier model using ns-3 and SAN is developed to study the peformability of an IEC 61850 based communication infrastructure for a protection application. For illustration, a simulation is conducted to study the reliability and unavailability of an IEC 61850 based communication architecture, where the impact of both timing failures and omission failures are investigated and compared. The result revealed that the availability and reliability is highly dependent on the requirements for the protection application, maximum delay per packet and maximum number of consecutive delayed packets the protection application can tolerate. It also shows that timing failures have a higher impact than omission failures for a protection application with shorter time requirement.

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Section: B Methods To Capture Network Delaysmentioning

confidence: 99%

A Method for Performability Study on Wide Area Communication Architectures for Smart Grid

Amare

Adrah

Helvik

2019

2019 7th International Conference on Smart Grid (icSmartGrid)

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“…In [47] a hardware prototype is studied for control of microgrids via Long Range (LoRa). In [3,48] ABB RED670 IEDs are used as hardware to study GOOSE and SV communication over presumably wired connection. In [49,50], WiFi communication network is used to study line differential and overcurrent protection based on field measurements, while hardware prototype for loss-of-mains protection over Global System for Mobile (GSM) is studied in [51].…”

Section: Related Researchmentioning

confidence: 99%

“…In [3, 26-39, 47, 48, 52, 53], commercial communication networks are not used, while in this paper commercial 5G network with a business subscription is employed. In [3,[26][27][28][29][30][31][32][33][34][35][36][41][42][43][44][45][46][47][48][49][50], 5G technology is not considered, but other wireless and wired technologies, including NB-IoT [27,41,42], LTE [26,28,36,45,46], ZigBee [29,44], CR [30], WLAN [31,43], customer 916.5 MHz channel [32], WiMAX [26,33,36], wired [3,34,35,48], LoRa [47], and WiFi [49,50]. In [26-29, 41-43, 47, 52, 53], protection applications are not used; instead, the application...…”

Section: Related Researchmentioning

confidence: 99%

Improving Reliability of Protection Communication in a 5G Slice

Raussi

Kokkoniemi-Tarkkanen²,

Ahola³

et al. 2023

Preprint

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5G network slicing is a promising solution to prioritize time-critical protection communication in wireless networks. However, recent trends indicate that a 5G slice could encompass all smart grid applications lacking the necessary granularity. At the same time, while substation communication standards recommend prioritization of protection communication traffic to improve reliability, these recommendations are only for wired connections. Therefore, this paper investigates traffic shaping and uplink (UL) bitrate adaptation of video stream based on existing commercial solutions as methodologies for prioritizing the protection communication in a 5G slice. These methodologies are validated in an experimental setup combining controller-hardware-in-the-loop (CHIL) simulation with a quality of service (QoS) measurement system. The system under test consists of commercial 5G networks, commercial intelligent electronic devices (IEDs), and merging units to validate the methodologies on three smart grid applications: fault location, line differential, and intertrip protection. The results show improvement in protection communication when traffic shaping and UL bitrate adaptation are applied. Traffic shaping even improves prioritization with a wired connection.

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“…3 shows the full laboratory setup for verification of the proposed method. The previously developed hardware-in-theloop testing platform [26] is expanded with a communication network emulator [27]. Real time simulations of the network with the DG are executed in OPAL-RT R with 50 µs time step.…”

Section: Laboratory Test Setupmentioning

confidence: 99%

Experimental Validation of a New Impedance-Based Protection for Networks With Distributed Generation Using Co-Simulation Test Platform

Pandakov

Adrah

Høidalen

et al. 2020

IEEE Trans. Power Delivery

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Combined real-time hardware-in-the-loop simulations and modeling of communication networks (co-simulation platforms) is a powerful testbed for development and validation of relay protection schemes utilizing communication links especially for applications in Smart Grids. This paper introduces laboratory tests in such environment of a new protection scheme for medium voltage networks with distributed generation. It is based on impedance measurements with compensation of remote infeed currents and high fault resistances. Since the scheme utilizes multi-terminal measurements, a communication network emulator has been developed to model Ethernet network impairments. The test method uses Monte-Carlo approach for evaluation of protection dependability. The results demonstrate enhancement of impedance relay performance compared to the conventional protection. Moreover, fault location capability is preserved with sufficient accuracy. Nevertheless, communication network imperfections, such as jitters and data loss, deteriorate scheme functionality.

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Communication network modeling for real-time HIL power system protection test bench

Cited by 10 publications

References 8 publications

A Method for Performability Study on Wide Area Communication Architectures for Smart Grid

A Method for Performability Study on Wide Area Communication Architectures for Smart Grid

Improving Reliability of Protection Communication in a 5G Slice

Experimental Validation of a New Impedance-Based Protection for Networks With Distributed Generation Using Co-Simulation Test Platform

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