A communication based infeed correction method for distance protection in distribution systems

Biswas, Shuchismita; Centeno, Virgilio

doi:10.1109/naps.2017.8107226

Cited by 13 publications

(10 citation statements)

References 6 publications

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“…ii) Addition of directional elements to OCR's to prevent the OCR's from tripping in case of upstream faults. Therefore, the relays may not react in time and the system gets damaged [16] and [17]. In severe cases, the built-up voltage across the fault resistance and the feeder can decrease the contribution of the main grid to the fault causing blindness of the feeder's relay [17].…”

Section: Overview Of Protection Key Points and Definitionsmentioning

confidence: 99%

“…Therefore, the relays may not react in time and the system gets damaged [16] and [17]. In severe cases, the built-up voltage across the fault resistance and the feeder can decrease the contribution of the main grid to the fault causing blindness of the feeder's relay [17]. Solution: The solution to this issue is to add a protective relay at the DG location.…”

Section: Overview Of Protection Key Points and Definitionsmentioning

confidence: 99%

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Protection and Monitoring of DESO

Hamidi

2022

Preprint

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This chapter first accurately reviews the basics of smart microgrid protection since the definitions vary from a reference to another. Then it focuses on the fault responses of Inverter-Based Resources (IBR’s) as those are emerging technologies that will be playing the great role of interfacing primary energy resources and the grid. In particular, for materialization of net-zero Carbon emission in electricity generation, the use of IBR’s is indispensable. However, the non-universal and software-defined IBR fault responses make conventional relays such as overcurrent, directional, and distance relays inapplicable in heavily IBR-based grids. Therefore, the discrepancy between conventional and IBR fault responses is elaborated and possible solutions to the looming protection issues are discussed. The shortcomings and merits of each solution are also discussed.

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Section: Overview Of Protection Key Points and Definitionsmentioning

confidence: 99%

Section: Overview Of Protection Key Points and Definitionsmentioning

confidence: 99%

Protection and Monitoring of DESO

Hamidi

2022

Preprint

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“…These communication-based schemes have been proved to be a very reliable solution. Another communication-based solution, as proposed in [14], uses the real-time measurements of the current at various locations to compensate for the impedance calculated by the DR. Adjusting DR settings by using an adaptive protection scheme is proposed in [15].…”

Section: Introductionmentioning

confidence: 99%

New Infeed Correction Methods for Distance Protection in Distribution Systems

Hariri

Crow

2021

Energies

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The reliability and security of power systems may be jeopardized by the increase in the amounts of renewable generation and the uncertainties produced by these devices. In particular, the protection schemes of traditional power systems have been challenged by the integration of distributed generation (DG) resources. Distance relays (DRs), which have been mainly employed to protect transmission systems, are increasingly proposed as one of the solutions to protect distribution systems with a heavy penetration of DGs. However, conventional distance protection faces several drawbacks that might lead to maloperation. One of those challenges is the “infeed effect”, which causes the impedance seen by the distance relay to be larger than the actual positive-sequence line impedance between the fault and relay location. This paper proposes three new methods to estimate the distance to the fault in the presence of infeeds, whether in a radial distribution feeder or the transmission line. Unlike other solution methodologies in the literature that require communication links to estimate the distance to the fault, the proposed methods only need the local measurement (i.e., the voltage and current measurements at the location of the distance relay) to do the same. The performance of the method is demonstrated with a radial distribution system model in PSCAD™/EMTDC™.

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“…Thus, having advantages of impedance relaying in MV networks, solutions for elimination of its malfunctioning are necessary for development and involvement of communication links facilitates this task. Reference [20] proposes the scheme based on differential impedance (two-point measurements), [21] presents accurate estimation of distance to fault in presence of DG infeed currents, adaptive settings are examined in [22], and [23] studies compensation of DG impact on fault location. One of the shortages here is assumption that the communication networks utilized for realization of the methods are ideal, whereas their impact on protection dependability and security is also required to be considered, as for example in [24].…”

Section: Introductionmentioning

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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A communication based infeed correction method for distance protection in distribution systems

Cited by 13 publications

References 6 publications

Protection and Monitoring of DESO

Protection and Monitoring of DESO

New Infeed Correction Methods for Distance Protection in Distribution Systems

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

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