Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method
Using a photovoltaic (PV) emulator (PVE) simplifies the testing of the PV generation system. However, conventional controllers used for PVEs suffer from oscillating output voltage, requiring a high number of iterations, or being too complex to be implemented. This paper proposes a controller based o...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Published: |
Institute of Electrical and Electronics Engineers Inc.
2019
|
| Subjects: |
| _version_ | 1796864536446238720 |
|---|---|
| author | Ayop, Razman Chee, Wei Tan |
| author_facet | Ayop, Razman Chee, Wei Tan |
| author_sort | Ayop, Razman |
| collection | ePrints |
| description | Using a photovoltaic (PV) emulator (PVE) simplifies the testing of the PV generation system. However, conventional controllers used for PVEs suffer from oscillating output voltage, requiring a high number of iterations, or being too complex to be implemented. This paper proposes a controller based on a resistance feedback control strategy that produces a stable and fast converging operating point for the PVE. The resistance feedback control strategy requires a new type of PV model, which is the current-resistance (I-R) PV model. This model is computed using a binary search method at a fast convergence rate. It is combined with a closed-loop buck converter using a proportional-integral controller to form the resistance feedback control strategy. The PVE's controller is implemented into dSPACE ds1104 hardware platform for experimental validation. The acquired experimental results show that the proposed PVE is able to follow the current-voltage characteristic of the PV module accurately. In addition, the PVE's efficiency is more than 90% under maximum power point operation. The transient response of the proposed PVE is similar to the PV panel during irradiance changes. |
| first_indexed | 2024-03-05T20:43:21Z |
| format | Article |
| id | utm.eprints-87914 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T20:43:21Z |
| publishDate | 2019 |
| publisher | Institute of Electrical and Electronics Engineers Inc. |
| record_format | dspace |
| spelling | utm.eprints-879142020-11-30T13:36:57Z http://eprints.utm.my/87914/ Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method Ayop, Razman Chee, Wei Tan TK Electrical engineering. Electronics Nuclear engineering Using a photovoltaic (PV) emulator (PVE) simplifies the testing of the PV generation system. However, conventional controllers used for PVEs suffer from oscillating output voltage, requiring a high number of iterations, or being too complex to be implemented. This paper proposes a controller based on a resistance feedback control strategy that produces a stable and fast converging operating point for the PVE. The resistance feedback control strategy requires a new type of PV model, which is the current-resistance (I-R) PV model. This model is computed using a binary search method at a fast convergence rate. It is combined with a closed-loop buck converter using a proportional-integral controller to form the resistance feedback control strategy. The PVE's controller is implemented into dSPACE ds1104 hardware platform for experimental validation. The acquired experimental results show that the proposed PVE is able to follow the current-voltage characteristic of the PV module accurately. In addition, the PVE's efficiency is more than 90% under maximum power point operation. The transient response of the proposed PVE is similar to the PV panel during irradiance changes. Institute of Electrical and Electronics Engineers Inc. 2019-09 Article PeerReviewed Ayop, Razman and Chee, Wei Tan (2019) Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method. IEEE Transactions on Power Electronics, 34 (9). pp. 8715-8723. ISSN 0885-8993 http://dx.doi.org/10.1109/TPEL.2018.2886927 DOI:10.1109/TPEL.2018.2886927 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Ayop, Razman Chee, Wei Tan Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title | Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title_full | Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title_fullStr | Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title_full_unstemmed | Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title_short | Rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| title_sort | rapid prototyping of photovoltaic emulator using buck converter based on fast convergence resistance feedback method |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| work_keys_str_mv | AT ayoprazman rapidprototypingofphotovoltaicemulatorusingbuckconverterbasedonfastconvergenceresistancefeedbackmethod AT cheeweitan rapidprototypingofphotovoltaicemulatorusingbuckconverterbasedonfastconvergenceresistancefeedbackmethod |