Supercapacitor Assisted Multilevel Inverter Topology for Off-Grid Renewable Energy Systems
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2024 13th International Conference on Renewable Energy Research and Applications (ICRERA), 2024, 00, pp. 1800-1805
- Issue Date:
- 2024-12-31
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Supercapacitor_Assisted_Multilevel_Inverter_Topology_for_Off-Grid_Renewable_Energy_Systems.pdf | Published version | 1.44 MB |
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Supercapacitor assisted SCA techniques are a new family of power electronic building blocks for renewable energy systems based on the theory published as SCA loss management SCALoM concept SCA inverter is a unique application of SCALoM theory capable of meeting any capacity of off grid inverter requirement based on a combination of an even number of smaller inverters with suitably sized supercapacitor banks SCA inverter technique reduces input loop losses and transistor voltage stresses while providing DC UPS capability without using batteries This paper discusses the technical background of the SCA inverter arrangement of operating seamlessly without common load balancing issues observed in other multi inverter systems and techniques The experiment results of two four SCA inverter arrangement show stable operation of the inverter systems both in switching transients of the supercapacitor banks and steady state operation Four SCA inverter arrangement shows up to 2 5 efficiency improvement by equally partitioning the load into four inverters with no load balancing issues As the four supercapacitor modules are switched at millihertz order frequency it eliminaties the need for any EMC filters and dynamic losses in the frontend SCA arrangement are negligible
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