Uniflex-PM – a Key-Enabling Technology for Future European Electricity Networks

Iov, Florin; Blaabjerg, Frede; Clare, Jon; Wheeler, Pat; Rufer, A.; Hyde, Andrew

doi:10.1080/09398368.2009.11463732

Cited by 41 publications

(22 citation statements)

References 2 publications

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“…A configuration that shares the similar idea with nextgeneration traction converters [48,49], which is also proposed in the European UNIFLEX-PM Project [50], could be an interesting solution for the future WTS. It is based on a structure of a BTB cascaded H-bridge converter, with galvanic insulated DC/DC converters as an interface.…”

Section: Cascaded H-bridge Converter Withmentioning

confidence: 98%

Power Electronic Drives, Controls, and Electric Generators for Large Wind Turbines–An Overview

Tutelea

Boldea

et al. 2015

Electric Power Components and Systems

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Section: Cascaded H-bridge Converter Withmentioning

confidence: 98%

Power Electronic Drives, Controls, and Electric Generators for Large Wind Turbines–An Overview

Tutelea

Boldea

et al. 2015

Electric Power Components and Systems

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“…Even though three-phase converters are widely used in high-power applications [8], a single-phase configuration is largely employed in Photovoltaic inverters [9] or in neutralconnected three-phase power distribution systems [4].…”

Section: Introductionmentioning

confidence: 99%

Distributed commutations pulse-width modulation technique for high-power AC/DC multi-level converters

Bifaretti

Tarisciotti

Watson

et al. 2012

IET Power Electron.

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This paper presents a novel dedicated PWM technique for use with single-phase multi-level Cascaded H-Bridge Converters. The proposed modulation strategy aims to minimize the converter commutations and distribute them, for any amplitude of the voltage reference, amongst the different converter cells in order to evenly distribute the heating and stress on the power switches, improving their reliability without compromising the quality of the voltage waveform. Such characteristics are particularly important in high power grid-connected converters used as an interface for renewable energy sources or Smart Grid applications. The technique is described in detail along with the verification of the modulation effectiveness provided by a simulation comparison with other common modulation strategies. Finally, the proposed strategy is experimentally validated by means of different tests using a seven level Cascaded H-Bridge Converter

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“…A configuration which shares the similar idea with some of the next generation traction converters [48], [49], and European UNIFLEX-PM Project [50] is proposed in Fig. 14, whose converter cell is indicated in Fig.…”

Section: ) Cascaded H-bridge Back-to-back Converter With Medium-freqmentioning

confidence: 99%

“…Because of the cascaded structure, this configuration can be directly connected to the transmission power grid (10 kV-20 kV) with high output voltage quality, filter-less design, and redundancy ability [48]- [50]. However, the large amount of power semiconductors as well as auxiliary components could largely reduce this converter's reliability and increase the cost.…”

Section: ) Cascaded H-bridge Back-to-back Converter With Medium-freqmentioning

confidence: 99%

Power electronics and controls for wind turbine systems

Blaabjerg

Iov

Chen

et al. 2010

2010 IEEE International Energy Conference

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-The electrical energy consumption continues to grow and more applications will be based on electricity in the next decades. We can expect that more 60 % of all energy consumption will be converted and used as electricity. It is a demand that production, distribution and use of electrical energy are done as efficiently as possible. Further, emerging climate changes argues to find future solutions which also are sustainable. Two major technologies will play important roles to solve parts of those future problems. One is the change the electrical power production from conventional, fossil (and short term) based energy sources to renewable energy sources. Another is to use power electronics to achieve high efficiency in power generation, transmission/distribution and utilization. This paper discuss trends of the most promising renewable energy sources, wind energy, which ,integrated with power electronics, is changing the future electrical infrastructure and also contributes steadily to non-carbon based electricity production. The paper's focus is on the power electronics technologies used in wind turbine systems.

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Uniflex-PM – a Key-Enabling Technology for Future European Electricity Networks

Cited by 41 publications

References 2 publications

Power Electronic Drives, Controls, and Electric Generators for Large Wind Turbines–An Overview

Power Electronic Drives, Controls, and Electric Generators for Large Wind Turbines–An Overview

Distributed commutations pulse-width modulation technique for high-power AC/DC multi-level converters

Power electronics and controls for wind turbine systems

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