Low power experimental prototype of a controlled three-phase inverter using D.S.P (TMS320F2812) for a hydraulic energy conversion chain application
by Chirine Benzazah; Loubna Lazrak; Soukaina El Daoudi; Mustapha Ait Lafkih
International Journal of Systems, Control and Communications (IJSCC), Vol. 11, No. 1, 2020

Abstract: This paper deals with a part implementation of the distributed generation chain system based on hydraulic power source operated in low power and controlled by DSP F2812. The experimental part of the chain includes a controlled two-level three-phase inverter connected, via an LC filter, to a load. This latter consists of a balanced three-phase resistive without neutral point joint, for this reason, the implementation requires fewer sensors as measuring devices. The proposed control strategy uses just two regulation loops; one of them is for the AC output voltages and the other one is for the input inductor currents of LC filter. This strategy was developed on Matlab-Simulink and implemented in eZdsp TMS320F2812 DSP board from spectrum digital. To confirm the efficiency and robustness of the chain part implementation, the experimental results using the implemented inverter was compared with a compact industrial module 7MBR15SA120 inverter mounting with the same control interface and measurement cards. The experimental waveforms comparison prove that there is a good match between the two practice prototypes, validate the theoretical study as well as the simulation results obtained and confirm the effectiveness of the proposed control strategy.

Online publication date: Thu, 27-Feb-2020

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