A grid-tied PV-fuel cell multilevel inverter under PQ open-loop control scheme
This paper aims to assess the performance of a centralized single-stage grid-tied three-level diode clamped inverter connected to a PVFuel cell unit. An active and reactive power open-loop control scheme is employed to operate the inverter and achieves a current harmonic distortion below 5%. The sys...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Frontiers
2022
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/40871/3/A%20grid-tied%20PV-fuel%20cell%20-%20Copy.pdf http://ir.unimas.my/id/eprint/40871/ https://www.frontiersin.org/journals/energy-research |
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| Summary: | This paper aims to assess the performance of a centralized single-stage grid-tied three-level diode clamped inverter connected to a PVFuel cell unit. An active and reactive power open-loop control scheme is employed to operate the inverter and achieves a current harmonic distortion below 5%. The system comprises a 150 kW/700 V PV, a 150 kW/1400 V fuel cell, a 265 kW multilevel inverter operating at a rated voltage of 415 V, and an LCL filter. Two operating scenarios are adopted to investigate the system’s responses further. In the first scenario, a local load of 509.2 kW is supplied from the PV-fuel cell inverter. The load also receives the grid’s power to meet the demand as the PV-fuel cell inverter provides only 265 kW. Whereas in the other scenario, the PV-fuel cell unit provides power to supply a local load while transporting the surplus to the grid. The results reveal the developed model’s good performance with a current harmonic distortion of 0.33%. |
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