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Abstract
The maximum power point tracking (MPPT) is generally implemented in grid-connected photovoltaic (PV) power plants to maximize the energy yield. However, as the penetration level increases, challenging issues such as overloading and over-voltage arise in PV applications. Accordingly, a constant power generation (CPG) operation, in which the PV output power is limited to a specific value, has been imposed by some grid regulators to alleviate the integration challenges. In that case, the combined operation of MPPT and CPG is required, which increases the complexity of the controller design. To generalize the two control objectives, a flexible active power control algorithm that combines both MPPT and CPG operating modes is proposed. The proposed algorithm can optimize the performance in both modes (i.e., MPPT and CPG). By adjusting the voltage-step between two consecutive operating points, fast dynamics and low-power oscillations can be obtained. The performance of the proposed strategy is evaluated through simulations and experiments under different irradiance and power reference profiles.
Original language | English |
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Title of host publication | 2018 IEEE Applied Power Electronics Conference and Exposition (APEC) |
Number of pages | 7 |
Publisher | IEEE Press |
Publication date | Mar 2018 |
Pages | 1115-1121 |
ISBN (Print) | 978-1-5386-1181-4 |
ISBN (Electronic) | 978-1-5386-1180-7 |
DOIs | |
Publication status | Published - Mar 2018 |
Event | 33rd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2018 - San Antonio, United States Duration: 4 Mar 2018 → 8 Mar 2018 |
Conference
Conference | 33rd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2018 |
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Country/Territory | United States |
City | San Antonio |
Period | 04/03/2018 → 08/03/2018 |
Sponsor | IEEE Power Electronics Society (PELS), Industry Applications Society (IAS), Power Sources Manufacturers Association (PSMA) |
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Dive into the research topics of 'A general algorithm for flexible active power control of photovoltaic systems'. Together they form a unique fingerprint.Projects
- 1 Finished
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PV2GRID: A Next-Generation Grid Side Converter with Advanced Control and Power Quality Capabilities
Blaabjerg, F., Yang, Y. & Sangwongwanich, A.
01/01/2015 → 30/09/2017
Project: Research