A Validity of MPPT Technique Using Supercapacitors as Energy Storage Devices: Example of the SCALED converter technique
| Autor: | D. Alistair Steyn-Ross, Nihal Kularatna, Dilini Jayananda |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Supercapacitor
Maximum power principle Computer science business.industry 020209 energy 020208 electrical & electronic engineering Electrical engineering 02 engineering and technology Power factor Battery pack Energy storage Maximum power point tracking law.invention Capacitor Charge controller Hardware_GENERAL law Electric field 0202 electrical engineering electronic engineering information engineering business Electrical impedance |
| Zdroj: | IECON |
| DOI: | 10.1109/iecon.2019.8926996 |
| Popis: | Typical solar powered DC-microgrids (DCMG) employ rechargeable batteries for energy storage. In order to extract and deliver the maximum power out from the PV array to the load, maximum power point tracking (MPPT) solar charge controller is mandatory. With the commercial supercapacitor (SC) devices available in the market, new converter techniques with SC energy storage are possible for DCMG systems. The SCALED converter is such a technique where the rechargeable battery bank is replaced by a supercapacitor bank. However, if a SC bank is used as the sole energy storage, existing MPPT schemes are no longer appropriate since the storage bank acts as near ideal capacitor instead of a rechargeable battery pack. This is due to the fact that a capacitor bank retains energy within its electrostatic field, compared to the electrochemical reaction related back EMF of a battery pack. This paper presents the theoretical analysis to validate the above hypothesis. |
| Databáze: | OpenAIRE |
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