A Multi-Domain Co-Simulation Method for Comprehensive Shifted-Frequency Phasor DC-Grid Models and EMT AC-Grid Models
| العنوان: | A Multi-Domain Co-Simulation Method for Comprehensive Shifted-Frequency Phasor DC-Grid Models and EMT AC-Grid Models |
|---|---|
| المؤلفون: | Venkata Dinavahi, Xiaorong Xie, Kai Strunz, Dewu Shu, Zheng Yan |
| المصدر: | IEEE Transactions on Power Electronics. 34:10557-10574 |
| بيانات النشر: | Institute of Electrical and Electronics Engineers (IEEE), 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | multi-domain co-simulation, Computer science, Phasor, Numerical models, Co-simulation, Electromagnetic transients (EMTs), Grid, multi-terminal dc (MTDC) grid, shifted-frequency dynamic phasor (SFP) model, Multi domain, hybrid multi-domain transmission-line mode (HMD-TLM), Electronic engineering, Waveform, Electrical and Electronic Engineering |
| الوصف: | To accurately capture the dynamics of a large-scale ac/dc system as a whole and the interactions between its individual components, a simulation method with high precision and efficiency is in great demand. For this purpose, we develop a multidomain co-simulation method, in which the target system is partitioned into multiple dc and ac subsystems, represented by our proposed shifted-frequency phasor (SFP) models and the traditional EMT models, respectively. SFP models can be simulated with a much larger time step, leading to a significant improvement in simulation efficiency under a given requirement of precision. Further, a new interface model, namely, hybrid multi-domain transmission-line model (HMD-TLM), is developed to reflect the interactions between SFP models and EMT models, with the additional benefit of producing instantaneous and phasor waveforms simultaneously. Thus, the multi-domain co-simulation is implemented based on the efficient SFP models, the HMD-TLM, and a designed time sequences of simulation. The performance (efficiency and accuracy) of the proposed method has been validated on the well-known CIGRE ac/dc system as well as a practical system integrating large ac grids and modular-multilevel-converter-based multi-terminal dc grids. |
| تدمد: | 1941-0107 0885-8993 |
| DOI: | 10.1109/tpel.2019.2899651 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f80c338158b8e67a1a1865a1f6f1dc8 https://doi.org/10.1109/tpel.2019.2899651 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....2f80c338158b8e67a1a1865a1f6f1dc8 |
| قاعدة البيانات: | OpenAIRE |
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