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Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/BD5242FA-4D34-4303-A3A8-BD5EFB7C9650 | ||
| Year | 2019 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | E. Koutroulis, Y. Yang and F. Blaabjerg, "Co-Design of the pvarray and dc/ac inverter for maximizing the energy production in grid-connected applications," IEEE Trans. Energy Convers., vol. 34, no. 1, pp. 509-519, Mar. 2019. doi: 10.1109/TEC.2018.2879219 https://doi.org/10.1109/TEC.2018.2879219 | ||
| Appears in Collections |
Grid-connected photovoltaic (PV) systems are currently developed by merging a PV array and a DC/AC inverter which are designed separately, without considering the impact of the PV array operational characteristics on the power losses of the DC/AC inverter. In this paper, a co-design technique is presented, where the optimal design parameters of the PV array and DC/AC inverter in a grid-connected PV system are calculated concurrently through a unified design process. The proposed technique enables to optimally match the PV array configuration and the DC/AC inverter structure. A study has been performed, where the PV systems synthesized by applying the proposed co-design technique are compared with the PV system configurations comprising PV arrays and DC/AC inverters that have been designed separately, through distinct optimization processes based on various alternative optimization objectives. The design results for two installation sites, with different meteorological conditions during a year, demonstrated that only the proposed co-design optimization technique is capable of ensuring the maximization of the annual energy production of the overall grid-connected PV system.
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