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A hybrid solar PV-fuel cell system is proposed for stand-alone applications, utilizing a control strategy to maintain a constant DC link voltage and supply power to a PMDC motor load during day and night.

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System
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Abstract

This paper presents the performance of a hybrid solar PV/ Fuel Cell/ FC system with a PMDC motor load. The hybrid system supplies power to the DC motor during day and night. In order to obtain continuous supply to the load, a control strategy is implemented in the system. By using this control strategy, the solar PV and the fuel cell supply the voltage to the load by getting constant supply from the DC link during day and night. The DC-DC interleaved soft switching boost converter (ISSBC) with Incremental conductance maximum power point tracking technique (INC MPPT) is used to maintain constant DC link voltage. When the power deficit happens in the solar PV, the hydrogen stored in the tank is used by the fuel cell stack and supplies power to the load. The entire system is modeled and the performance of the hybrid system is analyzed in MATLAB/Simulink environment.

Key findings

  • The system uses a DC-DC interleaved soft switching boost converter with Incremental conductance maximum power point tracking technique to maintain a constant DC link voltage.
  • When power deficit occurs in the solar PV, the fuel cell stack supplies power to the load using hydrogen stored in the tank.
  • The entire system is modeled and analyzed in MATLAB/Simulink environment.

Keywords

Maximum power point trackingPhotovoltaic systemAutomotive engineeringStack (abstract data type)Maximum power principleBoost converter

Identifiers

DOI
10.14419/ijet.v7i2.21.12380
Journal
International Journal of Engineering & Technology
Year
2018