Bi-Directional Power Flow in Switchgear with Static Transfer Switch Applied at Various Renewable Energies
Abstract
:1. Introduction
- A.
- A plug-in type of switchgear for AC/DC is developed. Since the topology inside the switchgear is composed of DC bus, it can be operated as a plug-in type of system, which can be used by simply connecting the converters of various distributed generations to the inverter in the developed switchgear system.
- B.
- Prototypes of the components of the proposed switchgear are developed, and the test results are presented by constructing an actual testbed.
- C.
- An intelligent electronic device (IED) is constructed to control bidirectional power flow and to collect and process related information.
2. Bidirectional Switchgear System
2.1. Overall System Configuration
2.2. AC/DC Switchgear Panel
2.3. Intelligent Electronic Device
2.4. Switchgear System Control Algorithm
3. Testbed Configuration
3.1. Static Transfer Switch
3.2. Inverter and LCL Filter in a Switchgear Panel
3.2.1. Normal Operation
3.2.2. Protective Operation
3.2.3. Protective Operation of Generator System
4. Test Result and Discussion
4.1. Test Result of Inverter Operation
4.2. Test Result of the Switchgear Panel
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Park, K.-W.; Kim, C.-H. Bi-Directional Power Flow in Switchgear with Static Transfer Switch Applied at Various Renewable Energies. Energies 2021, 14, 3187. https://doi.org/10.3390/en14113187
Park K-W, Kim C-H. Bi-Directional Power Flow in Switchgear with Static Transfer Switch Applied at Various Renewable Energies. Energies. 2021; 14(11):3187. https://doi.org/10.3390/en14113187
Chicago/Turabian StylePark, Keon-Woo, and Chul-Hwan Kim. 2021. "Bi-Directional Power Flow in Switchgear with Static Transfer Switch Applied at Various Renewable Energies" Energies 14, no. 11: 3187. https://doi.org/10.3390/en14113187