Search

Your search keyword '"H02M7/483"' showing total 4 results
Start Over Descriptor "H02M7/483"
4 results on '"H02M7/483"'

1. Power-cell switching-cycle capacitor voltage control for modular multi-level converters

Author

Wang, Jun, Boroyevich, Dushan, Burgos, Rolando P., Wen, Bo, Wang, Jun, Boroyevich, Dushan, Burgos, Rolando P., and Wen, Bo

Abstract

In a modular multi-level power converter, additional switching states are interleaved between main switching states that control output voltage or waveform. The additional switching states provide current from a DC-link to charge capacitors in respective modules or cells to an offset voltage from which the capacitor voltages are controlled toward a reference voltage during each switching cycle rather than being allowed to build up over a period of an output waveform of variable line frequency, possibly including zero frequency. Since the switching cycle is much shorter than the duration of a line frequency cycle and the capacitor voltages are balanced during each switching cycle, output voltage ripple can be limited as desired with a capacitor of much smaller value and size than would otherwise be required.

Published
2018

2. MODULE FOR CONTROLLING THE INTERNAL ENERGY OF A CONVERTER

Author

Kosei Shinoda, Benchaib, Abdelkrim, Guillaud, Xavier, Dai, Jing, SuperGrid Institute SAS, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Laboratoire Génie électrique et électronique de Paris (GeePs), Université Paris-Sud - Paris 11 (UP11)-Université Pierre et Marie Curie - Paris 6 (UPMC)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, H02M7/483
Abstract

The invention relates to a multilevel modular converter (10) including a control module (12) for regulating the internal energy stored in the capacitors of the submodules of a half arm of the converter, the control module being capable of keeping the internal energy below an upper limit and/or above a lower limit, by using parameters measured on the DC electrical power supply network (110) and on the AC electrical power supply network (120) as well as operating power setpoints of the converter.

Published
2018

3. Capacité Virtuelle

Author

Kosei Shinoda, Benchaib, Abdelkrim, Guillaud, Xavier, Dai, Jing, SuperGrid Institute SAS, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Laboratoire Génie électrique et électronique de Paris (GeePs), Université Paris-Sud - Paris 11 (UP11)-Université Pierre et Marie Curie - Paris 6 (UPMC)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, and HESAM Université (HESAM)-HESAM Université (HESAM)

Subjects
Hardware_GENERAL, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Hardware_INTEGRATEDCIRCUITS, H02M7/483
Abstract

The invention relates to a modular multi-level converter (2) provided with a control module (4) and a calculator (10) for calculating a set value for the internal energy of the converter, stored in the capacitances of the sub-modules of the half-arms. The control module is designed to deduce, from said set value for the internal energy of the converter, a set value for the voltage at the terminals of each modelled capacitor used to regulate the voltage at the points of connection of the converter to the continuous power supply network and the voltage at the terminals of each modelled capacitor.

Published
2017

4. Power-cell switching-cycle capacitor voltage control for modular multi-level converters

Author

Electrical and Computer Engineering, Center for Power Electronics Systems, Virginia Tech Intellectual Properties, Inc., Wang, Jun, Boroyevich, Dushan, Burgos, Rolando, and Wen, Bo

Subjects
H02M2001/0003, Hardware_GENERAL, Hardware_INTEGRATEDCIRCUITS, H02M2007/4835, Hardware_PERFORMANCEANDRELIABILITY, H02M7/483
Abstract

In a modular multi-level power converter, additional switching states are interleaved between main switching states that control output voltage or waveform. The additional switching states provide current from a DC-link to charge capacitors in respective modules or cells to an offset voltage from which the capacitor voltages are controlled toward a reference voltage during each switching cycle rather than being allowed to build up over a period of an output waveform of variable line frequency, possibly including zero frequency. Since the switching cycle is much shorter than the duration of a line frequency cycle and the capacitor voltages are balanced during each switching cycle, output voltage ripple can be limited as desired with a capacitor of much smaller value and size than would otherwise be required.

Published
2014

Catalog

Books, media, physical & digital resources
See catalog results