Abstract
Dc distribution systems are being widely adopted in many industrial, commercial and military energy systems such as commercial buildings, data centers, off-shore wind farms, and shipboard power systems. A dc distribution system can improve energy efficiency and reduce the size or weight of power systems. A typical dc distribution system like the ones mentioned include multiple power electronics converters, distributed capacitors, and short lines with low impedance. Thus, in case of a short circuit fault, the dc fault current increases extremely fast without zero-crossing. This is a great challenge for dc system protection. In addition, in-line series dc arc faults are also a potential threat that must be detected and localized to reduce the fire hazards. This paper presents a comprehensive protection approach leveraging the converter fault current limiting function as well as an advanced fault localization approach to achieve reliable fault detection, localization, and isolation. Numerical simulation and experimental tests are used to validate the effectiveness of the proposed method.
| Original language | English |
|---|---|
| Title of host publication | 2018 IEEE Industry Applications Society Annual Meeting, IAS 2018 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781538645369 |
| DOIs | |
| State | Published - 26 Nov 2018 |
| Event | 2018 IEEE Industry Applications Society Annual Meeting, IAS 2018 - Portland, United States Duration: 23 Sep 2018 → 27 Sep 2018 |
Publication series
| Name | 2018 IEEE Industry Applications Society Annual Meeting, IAS 2018 |
|---|
Conference
| Conference | 2018 IEEE Industry Applications Society Annual Meeting, IAS 2018 |
|---|---|
| Country/Territory | United States |
| City | Portland |
| Period | 23/09/18 → 27/09/18 |
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 distribution system
- Fault current limiting
- Fault detection
- Fault localization
- Series arc
- Short-circuit fault
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