Single Switch DC-DC Boost Converter with MPPT Control for Fuel Cell Electric Vehicle Applications

This article presents single switch boost dc–dc converter which addresses the issue of voltage mismatch that exists at the interface of fuel cell stack and the inverter's dc-link which requires higher constant voltage in fuel cell electric vehicles. It describes the steady state analyses of the single switch converter in different modes, as well as design considerations. In comparison to the other converters, this converter topology achieves a higher voltage gain for wide ranges of input voltage as well as reduced voltage stress on semiconductor switches. To demonstrate the Converter's performance, maximize output power and optimize power to a setpoint of fuel cell stack, a modified P&O-based MPPT control has been embedded and simulated with the aid of MATLAB/Simulink.