Open-source software projects for advancing the power systems analysis

Montenegro, D.; Dugan, R.; Taylor, J.; McGranaghan, M.

doi:10.1109/osmses54027.2022.9768968

Cited by 4 publications

(3 citation statements)

References 12 publications

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“…To achieve this, an integrated environment that combines OpenDSS and MATLAB is utilized in this work. OpenDSS, developed by the Electric Power Research Institute (EPRI) and available as open-source software, accurately calculates the AC power flow within these systems [40].…”

Section: Case Studies and Discussionmentioning

confidence: 99%

Enabling Active Distribution Systems’ Participation in Tertiary Frequency Regulation Through Coalitional Game Theory-Based Reserve Allocation

Gautam,

MansourLakouraj,

Hossain

et al. 2024

IEEE Access

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The integration of distributed energy resources (DERs) into the power grid has made it important for distribution systems to participate in frequency regulation. Regulatory authorities (e.g., Federal Electricity Regulatory Commission in the United States) are recommending that DERs participate in energy and reserve markets, and a mechanism is needed to facilitate this at the distribution level. Though a single distribution system may not have sufficient reserves for tertiary frequency regulation, stacked reserves from multiple distribution systems can be utilized in frequency regulation. This paper proposes a coalitional game theory-based approach for reserve allocation, enabling DERs to participate in tertiary frequency regulation. The proposed two-stage approach involves computing worthiness index (WI) and power loss reduction (PLR) characteristic functions in the first stage and equivalent Shapley values in the second stage. The Shapley values are then used to determine distribution factors for reserve allocation among DERs. We demonstrate the effectiveness of the proposed method through case studies on IEEE 13-node, IEEE 34-node, and IEEE 123-node distribution test systems. The method is shown to be effective in allocating reserves and determining active power set-points of DERs, and can enable efficient participation of DERs in tertiary frequency regulation.

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Section: Case Studies and Discussionmentioning

confidence: 99%

Enabling Active Distribution Systems’ Participation in Tertiary Frequency Regulation Through Coalitional Game Theory-Based Reserve Allocation

Gautam,

MansourLakouraj,

Hossain

et al. 2024

IEEE Access

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“…Currently, a wide range of commercially mature simulation and analysis software for power systems is available [18,19]. However, most of these solutions do not permit user modifications to the already built-in algorithms, posing significant challenges for further development.…”

Section: Introductionmentioning

confidence: 99%

A Multi-Rate Simulation Strategy Based on the Modified Time-Domain Simulation Method and Multi-Area Data Exchange Method of Power Systems

Yao,

Chen,

Bai

et al. 2024

Electronics

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Accurate modeling for power-electronic devices requires power systems to be simulated with considerably small step sizes (typically several microseconds), which causes unnecessary computational burden and reduces efficiency, especially for large-scale power systems. To achieve a balance between simulation precision and efficiency, this paper introduces an innovative multi-rate interface strategy based on the modified time-domain simulation (TDS) method and multi-area data exchange method. The modified TDS method transforms the initialization process into exchange of electric data among different subsystems, while the multi-area data exchange method is able to ensure numerical stability and simulation universality during the multi-rate simulation. The proposed strategy provides a robust interface that allows different subsystems to be engaged in simulations with different step sizes while exchanging data. To validate this strategy, simulations on an integrated system of IEEE 14-bus and 33-bus systems is conducted. In addition, the strategy is further applied to a real-world scenario of the subsystem in the Guangxi Power Grid in China. Analysis of the results indicates that the proposed multi-rate fast simulation strategy can significantly boost simulation efficiency while maintaining accuracy, which marks a notable improvement compared with the traditional single step size simulation.

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“…No entanto, não faz simulações de transitórios eletromagnéticos. E sempre considerando que todas as análises são realizadas no domínio da frequência (MONTENEGRO et al, 2022).…”

Section: O Software Opendssunclassified

Coordenação da proteção para topologias de redes de distribuição radiais usando a otimização por enxame de partículas evolucionária diferencial

Quispe

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A reconfiguração da rede ótima visa aumentar a disponibilidade da rede e otimizar o seu funcionamento, melhorando os perfis de tensão e reduzindo as perdas de potência. Porém, isso pode prejudicar o desempenho do sistema de proteção, e por isso, deve-se adaptar às alterações causadas pela reconfiguração. Desta forma, o presente trabalho propõe uma metodologia de proteção adaptativa para determinar os grupos de ajustes dos relés de sobrecorrente para cada topologia e com a possibilidade de modificar seus ajustes de acordo com as variações da rede durante a operação da rede. Para isso, as topologias radiais são obtidas através da operação de abertura e fechamento de chaves. Essas topologias pertencerão a um grupo, e cada um desses terá um conjunto de ajustes calculados utilizando apenas uma topologia de referência. Os valores do Time Multiplier Setting (TMS) e da Pickup Current (PC) dos relés de sobrecorrente são calculados usando o algoritmo de Otimização pelo Enxame de Partículas Evolucionária Diferencial (do inglês DEPSO) modificado neste trabalho. Como resultado, é possível reduzir o número de ajustes necessários para manter a seletividade e a coordenação do sistema de proteção. Além disso, essas configurações são aplicadas durante a operação do sistema de acordo com as alterações na corrente de operação e nos pares de relés primário e de backup. Os Sistemas de Distribuição IEEE de 34 e 123 barras e o Sistema de Teste PNNL de 329 barras adicionando Geração Distribuída (GD) foram utilizados para avaliar os resultados utilizando o software Open Distribution System Simulator (OpenDSS).

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Open-source software projects for advancing the power systems analysis

Cited by 4 publications

References 12 publications

Enabling Active Distribution Systems’ Participation in Tertiary Frequency Regulation Through Coalitional Game Theory-Based Reserve Allocation

Enabling Active Distribution Systems’ Participation in Tertiary Frequency Regulation Through Coalitional Game Theory-Based Reserve Allocation

A Multi-Rate Simulation Strategy Based on the Modified Time-Domain Simulation Method and Multi-Area Data Exchange Method of Power Systems

Coordenação da proteção para topologias de redes de distribuição radiais usando a otimização por enxame de partículas evolucionária diferencial

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