Abstract
The conventional Newton method faces plenty of challenges in calculating the power flow in AC/DC hybrid systems. This paper initially establishes a unified model for AC-DC systems to enable uniform iteration, mainly considering the multi-terminal DC based on VSC. Subsequently, an augmented rectangular coordinate model that incorporates converter losses is developed. In the rectangular coordinate system, the power flow equation is in quadratic form, and its Taylor expansion can be exactly expanded to the third term. Further, two improved algorithms, the retaining nonlinearity method and the optimal multiplier method, are proposed and implemented for the calculations. The computational results demonstrate their superior efficiency and precision.
| Original language | English |
|---|---|
| Title of host publication | 2024 8th International Conference on Power and Energy Engineering, ICPEE 2024 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 319-326 |
| Number of pages | 8 |
| ISBN (Electronic) | 9798331530860 |
| DOIs | |
| State | Published - 2024 |
| Event | 8th International Conference on Power and Energy Engineering, ICPEE 2024 - Chengdu, China Duration: 20 Dec 2024 → 22 Dec 2024 |
Publication series
| Name | 2024 8th International Conference on Power and Energy Engineering, ICPEE 2024 |
|---|
Conference
| Conference | 8th International Conference on Power and Energy Engineering, ICPEE 2024 |
|---|---|
| Country/Territory | China |
| City | Chengdu |
| Period | 20/12/24 → 22/12/24 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- AC/DC hybrid system
- augmented rectangular coordinate
- optimal multiplier
- power flow
- retaining nonlinearity
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