Abstract
Fuel cell is a rapidly developing electrical source, among the several types of renewable energy sources. The fundamental point of this paper is to implement chaotic PWM triggering Interleaved Boost Converter (IBC) for fuel cell. In chaotic PWM method, chaotic carrier signal has been generated. Then, it is compared with the input signal and the modulated signal has been applied to the switching devices of IBC. The simulations are carried out to highlight the benefits of chaotic compared to conventional PWM method. The simulations are validated with appropriate prototype. The ripples are analyzed between conventional and chaotic PWM based IBC. The power loss values of each component in four phase IBC have been calculated and it is proved that the chaotic PWM has less switching loss with improved efficiency compared to conventional PWM method. Also, the energy factors are calculated for chaotic PWM method.
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