Abstract
Fractional power processing architectures can im-prove the efficiency of energy storage systems due to the reduced output power of the converter interfacing energy storage elements and the power system. This paper presents a fractional power converter, which provides a bipolar biasing voltage to regulate the system charging and discharging power. The energy storage system is composed of a main high-voltage battery, an auxiliary low-voltage battery, and the fractional power converter that is connected in series to the main battery and parallel to the auxiliary battery. Comparing with the existing fractional power converters with a unipolar biasing voltage, the proposed fractional power converter achieves much lower power processing. In this paper, the proposed method was verified by simulation results.
| Original language | English |
|---|---|
| Pages | 1945-1949 |
| Number of pages | 5 |
| DOIs | |
| State | Published - 2022 |
| Event | 37th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2022 - Houston, United States Duration: 20 Mar 2022 → 24 Mar 2022 |
Conference
| Conference | 37th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2022 |
|---|---|
| Country/Territory | United States |
| City | Houston |
| Period | 20/03/22 → 24/03/22 |
Keywords
- Energy storage system
- fractional power pro-cessing
- partial power processing
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