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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...
Active front-end converters with bidirectional power flow capability have been extensively used for utility applications of power electronics, in which the hybrid type with coupling capacitor in series connection is receiving much attention due to its low operating voltage and low switching ripples. This paper proposes an improved control strategy for hybrid active front-end converters in grid-connected...
Active front-end converters with bidirectional power flow capability have been extensively used for utility applications of power electronics. Large passive filters are normally required at the grid side of the converter to mitigate switching EMI noise. This may become a critical issue, in terms of installation space and potential resonance of the passive filter. This paper proposes a hybrid active...
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...
Previous research work has demonstrated that microgeneration improves security of supply and contributes to reduce carbon emissions. However, it has also been recognized that it imposes various challenges in particular with regards to network stability, control and protection. This paper focuses on controlling the power flow from converter-connected microgeneration units to the distribution network...
In this paper a High Voltage Direct Current (HVDC) transmission system is proposed, based on using three level three phase (3L3P) converters, coupled through a specific transformer connection in order to benefit from natural and selective harmonic cancellation effects. In opposition to classical PWM-VSI-based HVDC systems, the presented converter configuration uses Square Wave Modulation in order...
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