Abstract
With the development of new power systems centered on renewable energy, the installed capacity of photovoltaic power generation has been greatly increased, resulting in an increase in DC voltage (>DC1500V). In order to improve the breaking capacity of DC circuit breaker, a self-triggering hybrid DC circuit breaker based on liquid metal current limiter is proposed in this paper. Based on the measured arc model, the simulation model is built to analyze the current limiting characteristics of the venting hole with different apertures, and simulation is conducted to predict the interruption of larger current at higher voltage. It effectively reduces the peak fault current, decreases the voltage across the mechanical switch, shortens the total interruption time, and realizes the rapid fault removal.
| Original language | English |
|---|---|
| Title of host publication | 2024 3rd Asia Power and Electrical Technology Conference, APET 2024 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 124-128 |
| Number of pages | 5 |
| ISBN (Electronic) | 9798350367690 |
| DOIs | |
| State | Published - 2024 |
| Externally published | Yes |
| Event | 3rd Asia Power and Electrical Technology Conference, APET 2024 - Fuzhou, China Duration: 15 Nov 2024 → 17 Nov 2024 |
Publication series
| Name | 2024 3rd Asia Power and Electrical Technology Conference, APET 2024 |
|---|
Conference
| Conference | 3rd Asia Power and Electrical Technology Conference, APET 2024 |
|---|---|
| Country/Territory | China |
| City | Fuzhou |
| Period | 15/11/24 → 17/11/24 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- breaking characteristics
- hybrid DC circuit breaker
- liquid metal current limiter
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