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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Soltau, N. Stagge, H. De Doncker, R.W. Apeldoorn, O. |
| Copyright Year | 2014 |
| Description | Author affiliation: BU Power Conversion, ABB Ltd., Turgi, Switzerland (Apeldoorn, O.) || E.ON Energy Res. Center, RWTH Aachen Univ., Aachen, Germany (Soltau, N.; Stagge, H.; De Doncker, R.W.) |
| Abstract | In many low-voltage or high-voltage applications, the electrical energy transmission and distribution is enhanced using direct current (dc) already today. To use the advantages of dc also in medium-voltage applications a highly efficient dc-dc converter is needed that has a power capability of several megawatts. At the E.ON Energy Research Center of the RWTH Aachen University a demonstrator for a 5 MW medium-voltage dc-dc converter is constructed, which is presented in this work. Firstly, some general considerations about the three-phase dual-active bridge dc-dc converter are made, with a focus on medium-voltage high-power applications. Whether IGBTs or IGCTs are the optimal switching devices is discussed and a further improvement using a Dual-ICT is evaluated. The construction and the design of the mentioned demonstrator are presented. Besides the demonstrator itself, the medium-voltage high-power transformer that is operated in the ac link is discussed in detail. Finally, the advantages of a three-phase dual-active bridge over the single-phase variant are discussed using the experience gained from the commissioning. |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 1552659 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781479951154 |
| DOI | 10.1109/PEDG.2014.6878696 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-24 |
| Publisher Place | Ireland |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Insulated gate bipolar transistors Snubbers Power transmission Switches DC-DC power converters Dc-dc power converters Inductance DAB3 DAB1 Bridge circuits Power distribution Medium voltage Power grid |
| Content Type | Text |
| Resource Type | Article |
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