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A new Modular Multilevel Converter for Medium Voltage High Power Oil & Gas Motor Drive Applications
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| Author(s) |
Max BEUERMANN |
| Abstract |
Especially the Oil & Gas industry is looking for ways to increase the process productivity and energy efficiency. To realize these goals the electrification of the drive train is essential. Therefore variable speed drives (VFD) to control speed and torque of the compressors and pumps are used to reach a higher degree of process optimization.Currently several different topologies of Medium Voltage drives are available on the market. After becoming the predominat technology in self-commutated HVDC transmission systems the Modular Multilevel Converter (M2C) is now also entering the high power Medium Voltage drive market.The paper presents the first commercially available water-cooled Medium Voltage motor drive based on the M2C technology. To ensure that the performance of the whole drive system meets the performance requirements of the Oil & Gas industry, a system test in a back-to-back arrangement has been performed. The motor drive specific features and the HW are described. Measurement results from the back-to-back test of a 12 MW compressor drive are included, e.g. operation at low motor frequencies down to zero speed at high torque and voltage and current waveforms during a cell bypass event. |
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| Filename: | 0661-epe2016-full-11204554.pdf |
| Filesize: | 2.858 MB |
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| Type |
Members Only |
| Date |
Last modified 2017-04-13 by System |
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