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Design and implementation of a solar PV emulator.

Author(s) : MESSAOUDI H., BEN ABDELGHANI BENNANI A., MRABET BELLAAJ N., et al.

Summary

This paper introduces a new design of a solar photovoltaic (PV) module emulator. The proposed emulator is a power converter that aims to deliver a current and a voltage with the same behaviour than those produced by a real PV panel. It mainly consists of a power circuit made of a four quadrant chopper and a digital control algorithm implemented on an STM32 microcontroller. The control algorithm involves two control loops: the first one is an internal current loop which generates the Pulse Width Modulation (PWM) signals for the chopper switches; and the second one is an external voltage loop using a linearization technique for modelling the I-V curve. This last allows the control of the copper output voltage and the estimation of the corresponding current reference. The proposed algorithm and emulator have been tested experimentally with the PV module IS-200/32 of ISOFOTON. It has been first simulated and then experimentally verified.
The reported experiment results confirm that the emulator output characteristics are consistent with the emulated PV module ones.

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  • Original title: Design and implementation of a solar PV emulator.
  • Record ID : 30017596
  • Languages: English
  • Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
  • Publication date: 2016/03/24

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