A Bumpless Transition Strategy for Efficient Partial Shading Detection in PV Systems
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2024 IEEE 15th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2024, 00, pp. 1-6
- Issue Date:
- 2024-09-18
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1756064.pdf | Published version | 3.31 MB |
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Under dynamic shading conditions the solar ir radiance varies dynamically owing to shadow of fast moving clouds or a group of birds resulting in uniform or partial shading condition PSC This necessitates the use of a partial shading detection PSD strategy to differentiate between uni form and PSC The execution of most global maximum power point tracking GMPPT algorithms under uniform irradiance condition reduces the speed of maximum power point MPP operation and tracking efficiency This study presents a bumpless transition based PSD strategy to efficiently differentiate between uniform and partial shading under dynamic shading conditions Irradiance and temperature are estimated using PV voltage and current data and the I V curve of the PV system is predicted to clearly differentiate between uniform and PSC MPPT or GMPPT algorithm will be executed based on the identified condition The proposed strategy is implemented on a PV system connected in the AC microgrid It is determined that the proposed detection technique is more effective and rapid than the conventional techniques suggested in the literature The feasibility of the proposed method is verified using MATLAB Simulink
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