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In this paper different Fuel-Cell Implementation possibilities to power network are provided and accordingly will discuss considerations for grid connection of renewable energy resources using power electronic resources particularly Fuel-Cell Stacks and will study methods to connect output power of these sources to the system. The basis of network connection of stacks is mostly complex due to the...
This paper proposes a novel phase-shift plus duty cycle controlled hybrid bi-directional DC-DC converter based on fuel cells and supercapacitors. The described converter employs two high frequency transformers to couple the half-bridge and full-bridge circuits together in the primary side and voltage doubler circuit in secondary side. Boost type converter can limit the output ripple current of the...
Typically, telecom power systems are connected to grid and diesel generator. This paper represents a new telecom power system using local micro-sources (fuel cell and micro-turbine). Some benefits of this system are effectively eliminating batteries, diesel generator and automatic transfer switch. In this paper, a new multiple input buck-boost converter is utilized as an interface between the micro-sources...
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