Using protective relays for microgrid controls

Edwards, William C.; Manson, Scott

doi:10.1109/cpre.2018.8349834

Cited by 3 publications

(7 citation statements)

References 5 publications

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“…However, no protection schemes and industry practices for microgrid projects were described in detail in these publications 2,6 . Other authors reviewed protection schemes 3,4,7‐10 . Oudalov et al 3 and Edwards and Manson 9 presented a detailed description of microgrid protection schemes published by relay original equipment manufacturers.…”

Section: Introductionmentioning

confidence: 99%

“…Other authors reviewed protection schemes 3,4,7‐10 . Oudalov et al 3 and Edwards and Manson 9 presented a detailed description of microgrid protection schemes published by relay original equipment manufacturers. Outdalov et al 3 presented a novel adaptive microgrid protection system using digital relaying and advanced communication.…”

Section: Introductionmentioning

confidence: 99%

“…This protection system was based on a centralized architecture where relay protection settings were modified according to microgrid operating conditions 3 . Edwards and Mason 9 explained how microprocessor‐based protective relays were used to provide control and protection functions for small microgrids. This paper included automatic islanding, reconnection to the electric power system, dispatch of distributed generation, compliance with IEEE specifications, load shedding, volt/VAR control, frequency, and power control at the point of interface 9 .…”

Section: Introductionmentioning

confidence: 99%

“…Edwards and Mason 9 explained how microprocessor‐based protective relays were used to provide control and protection functions for small microgrids. This paper included automatic islanding, reconnection to the electric power system, dispatch of distributed generation, compliance with IEEE specifications, load shedding, volt/VAR control, frequency, and power control at the point of interface 9 . Haron et al 7 described different protection functions and schemes focused on research publications instead of microgrid projects.…”

Section: Introductionmentioning

confidence: 99%

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Protection schemes used in North American microgrids

Piesciorovsky

Smith

Ollis

2020

Int Trans Electr Energ Syst

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Summary This study reviewed existing conventional and nonconventional protection schemes for grid‐connected and islanded mode operations in North American microgrid projects. The microgrid projects investigated in this study used different types of distributed energy resources (DERs) and integrated hydropower/diesel generators, gas/steam/wind turbines, and photovoltaic systems with energy storage. In this work, conventional protection schemes were defined as those within the IEEE Standard C37.2‐2008, whereas nonconventional schemes were those not defined within this standard. The pros and cons of conventional and nonconventional protection schemes were discussed in detail. The overvoltage, undervoltage, and frequency elements were the most common conventional protection schemes applied in microgrid projects in North America. These protection elements were used to detect the islanded conditions and faults that could not be sensed by overcurrent relays because of small fault currents contributed by low‐inertia DERs and power‐electronic sources. Directional overcurrent elements were used to distinguish between external (grid) and internal (microgrid) faults. Adaptive protection was the most popular nonconventional protection scheme applied to the microgrid projects. In conclusion, different types of DERs and operational modes must be considered in order to address the protection and control challenges of each microgrid and to obtain the best technical and economical solution.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Protection schemes used in North American microgrids

Piesciorovsky

Smith

Ollis

2020

Int Trans Electr Energ Syst

View full text Add to dashboard Cite

show abstract

“…Other authors reviewed protection schemes [3,4,[7][8][9][10]. Oudalov et al [3] and Edwards and Manson [9] presented a detailed description of microgrid protection schemes published by relay original equipment manufacturers. Outdalov et al [3] presented a novel adaptive microgrid protection system using digital relaying and advanced communication.…”

Section: Introductionmentioning

confidence: 99%

Methods for Microgrid Protection (Literature Review)

Piesciorovsky¹,

Ollis²

2019

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Microgrid Applications and Technical Challenges—The Brazilian Status of Connection Standards and Operational Procedures

et al. 2023

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One of the challenges faced by Brazilian distribution utilities to enable the connection and operation of microgrids (MGs) is the absence of a solid set of technical standards in the country. An alternative has been to use and adapt existing standards applied to micro- and mini-distributed generation. In this context, this paper presents an analysis of the development status of norms, standards, and general requirements for the connection and operation of microgrids, as well as a proposal for the regulation and structuring of technical and operational requirements related to the implementation of microgrid projects. Some critical points highlighted in the paper include: the modes of operation, the minimum requirements for the different modes of operation, interoperability of systems, a conceptual model with attribution of responsible actors for the decentralized management of microgrids adapted to the institutional standards of the Brazilian sectorial model, a proposal for a standard connection structure considering the point of connection (PoC) implanted using multifunctional relay and recloser, procedures for technical feasibility assessment (operational studies) of MGs connection, and, finally, a discussion of operational issues of storage systems in a microgrid environment.

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Using protective relays for microgrid controls

Cited by 3 publications

References 5 publications

Protection schemes used in North American microgrids

Protection schemes used in North American microgrids

Methods for Microgrid Protection (Literature Review)

Microgrid Applications and Technical Challenges—The Brazilian Status of Connection Standards and Operational Procedures

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