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A high-current two-stage DC-DC converter for PEMFC applications is modeled, controlled, and simulated, ensuring high power factor and regulated voltage.

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What they did

System
MFC

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Abstract

In this paper, a high-current two-stage DC-DC converter fed by a Proton Exchange Membrane Fuel Cell (PEMFC) is studied. The converter consists of two three-phase full-bridge inverters connected through three AC coupled inductors. The mathematical models of both converter and PEMFC are first presented, and a control scheme that ensures a high power factor at the AC stage and a regulated voltage at the DC load is then implemented. The performance of the proposed control system is verified through digital simulations.

Key findings

  • The converter consists of two three-phase full-bridge inverters connected through AC coupled inductors.
  • A control scheme is implemented to ensure high power factor at the AC stage and regulated voltage at the DC load.
  • The performance of the proposed control system is verified through digital simulations.

Keywords

Fuel cellsCurrent (fluid)Forward converterDirect currentElectrical engineering

Identifiers

DOI
10.24084/repqj07.232
Journal
RE&PQJ
Year
2024