Cordova Electric Cooperative Energy Storage Evaluation

Schenkman, Benjamin L.; VanderMeer, Jeremy; Baca, Michael J.; Mueller-Stoffels, Marc; Koplin, Clay

doi:10.2172/1489865

Cited by 2 publications

(4 citation statements)

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“…The second set of data contains two years' worth of 1second data from the Cordova Electric Cooperative (CEC) system in Cordova, AK [22], measured at the whole-feeder level. There are five data sets, measured at five separate feeder head-ends fed from a common main bus.…”

Section: B Data From Cordova Akmentioning

confidence: 99%

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Detection and Prevention of Unintentional Formation of Loops in Self-Healing Power Systems and Microgrids

Ropp

Reno

Biswal

2023

IEEE Trans. Power Delivery

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Self-healing or self-assembling power systems that rely on local measurements for decision making can provide significant resilience benefits, but they also must include safeguards that prevent the system from self-assembling into an undesirable configuration.One potential undesirable configuration would be the formation of closed loops for which the system was not designed, a situation that can arise any time that two intentional-island systems can be connected in more than one place, e.g. if tie-line breakers are included in the selfassembling system. This paper discusses the unintentional loop formation problem in self-assembling systems and presents a method for mitigating it. This method involves calculating the correlation or the mean absolute error (MAE) between the two local frequency measurements made on either side of a line relay. The correlation and MAE between these frequencies changes significantly between the loop and non-loop cases, and this difference can be used for loop detection. This paper presents and explains the method in detail, presents evidence that the method's underlying assumptions are valid, and demonstrates in PSCAD two implementations of the method.The paper concludes with a discussion of the strengths and weaknesses of the proposed method.

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Section: B Data From Cordova Akmentioning

confidence: 99%

“…Figs. [20][21][22] show correlation-based results for a "matched load case". In this case, the load of microgrid 633 was manipulated so that after the 671-675 MBR closes, the average frequency of that 671+675 combined microgrid is equal to that of microgrid 633.…”

Section: B Matched Load Case Using Correlationmentioning

confidence: 99%

Detection and Prevention of Unintentional Formation of Loops in Self-Healing Power Systems and Microgrids

Ropp

Reno

Biswal

2023

IEEE Trans. Power Delivery

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show abstract

“…Diante disso, o trauma à medula pode seccioná-la ou somente comprimi-la devido a edemas, infarto ou hemorragias. Essas lesões podem ser classificadas em completas ou incompletas e de acordo com o nível neurológico da lesão [5][6] .…”

Section: Introductionunclassified

“…Pacientes paraplégicos, lesionados abaixo da cervical conservam a função dos braços, tronco, pernas e até mesmo os órgãos da pelve, dependendo do nível da lesão [5][6] .…”

Section: Introductionunclassified