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This paper presents controller design of PEM fuel cell distributed generation. The configuration of the PEMFC DG system and the dynamic models for the PEMFC power plant and its power electronic interfacing are shown. Controlling the power flow from the fuel cell power plant to the synchronous generator, controller design methods for the power conditioning units are presented. The results confirm the...
This paper deals with the design, analysis, modeling and control of Fuel Cell based Distributed Generation System. This includes the modeling of Proton Electrolyte Membrane Fuel Cell and the Power Conditioning Unit interfacing the Fuel Cell to the Utility Grid with proper power flow control. The output of the Fuel Cell Stack is connected to the DC side of the Voltage Source Inverter for interfacing...
This paper presents a two stage power conditioner (DC-DC converter and DC-AC inverter) connected to the grid. The proposed system has the advantage of generating low input current ripple (less than 2%) which is an important factor for fuel cell applications. Moreover, the design power condition has the feature of high efficiency and achieving unity power factor on the grid side. Through this paper,...
This paper proposes a grid-tied power conditioning system for the fuel cell, which consists of an LLC resonant DC-DC converter and a 3-phase inverter. The LLC resonant converter boosts the fuel cell voltage of 26-48V up to 400V, using the hard-switching boost converter and the high-frequency unregulated LLC resonant converter. The operation of proposed power conditioning system was verified through...
This paper discusses control and protection of power electronics interfaced distributed generation (DG) systems in a customer-driven microgrid (CDM). Particularly, the following topics will be addressed: microgrid system configurations and features, DG interfacing converter topologies and control, power flow control in grid-connected operation, islanding detection, autonomous islanding operation with...
Renewable energy systems have developed wide interest to supply electricity in remote areas as well as for distributed power generation specially during peak loads. Fuel cell based power generation is also gaining popularity due to its cleanliness, portability and suitability for electricity and heat generation. This paper presents modeling of a fuel cell power plant in terms of fuel cell, converter...
A new, utility-interactive hybrid distributed generation scheme, with reactive power compensation feature, is presented. The basic objective is to realize a reliable power supply for a remotely located critical load. Fuel cell (FC) stack and photovoltaic (PV) array are considered as energy sources. These sources can be operated independently or in conjunction as per the requirement. The control logic...
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