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| Content Provider | IET Digital Library |
|---|---|
| Author | Huang, Qiuhua Ramasubramanian, Deepak Vittal, Vijay Keel, Brian Silva, Jose |
| Abstract | With increased penetration of converter interfaced generation (CIG) in power systems, the suitability of modelling approaches and models dependent on the system conditions has to be studied. However, their suitability has yet to be systematically analysed. In this study, the authors first develop a methodology for identifying the maximum penetration of aggregated rooftop sources that can be represented as negative loads in both the steady state and dynamic analysis. Then they verify the suitability of a positive-sequence performance-based model and a detailed electromagnetic transient (EMT) model for utility-scale photovoltaic (PV) plants under different fault conditions. Based on the results, they perform dynamic simulations on a large practical system with both positive-sequence transient stability (TS) and EMT-TS hybrid simulation. This study shows that positive-sequence performance based PV plant model is more suitable for study cases with faults relatively far away from the point of connection. In addition, the results indicate that positive-sequence models and TS simulation approach can produce comparable results with reference to the EMT-TS hybrid simulation with EMT detailed models for normally-cleared single-line-to-ground faults, but the inadequacy of positive-sequence based model and simulation approach becomes obvious for prolonged-tripping of unbalanced faults in the proximity of the PV plants. |
| Starting Page | 3108 |
| Ending Page | 3116 |
| Page Count | 9 |
| ISSN | 17518687 |
| Volume Number | 14 |
| e-ISSN | 17518695 |
| Issue Number | Issue 15, Aug (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/15 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1290 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2020-04-30 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aggregated Rooftop Sources Bulk Power System Control of Electric Power System Converter Interfaced Generation Dynamic Analysis Dynamic Simulations Electromagnetic Transient Model EMT Model EMT-TS Hybrid Simulation Photovoltaic Power System Positive-sequence Based Model Positive-sequence Model Positive-sequence Performance-based Model Positive-sequence Transient Stability Power Converter Power Electronics Power Engineering Computing Power Generation Fault Power Generation Reliability Power Grid Power Supplies to Apparatus Power Supply Power System Control Power System Simulation Power System Transient Stability Prolonged-tripping PV Plant Model PV Plant Proximity Reliability Single-line-to-ground Fault Solar Power Stations Stability in Control Theory Supervisory Circuit TS Simulation Approach Unbalanced Fault Utility-scale Photovoltaic Plant |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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