A new dual series-connected Nine-Switch Converter topology for a twelve-phase induction machine wind energy system
المؤلف | Dabour, Sherif M. |
المؤلف | Abdel-Khalik, Ayman S. |
المؤلف | Ahmed, Shehab |
المؤلف | Massoud, Ahmed M. |
تاريخ الإتاحة | 2020-10-12T09:21:47Z |
تاريخ النشر | 2017 |
اسم المنشور | 2017 11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2017 |
المصدر | Scopus |
الملخص | This paper introduces a new transformerless converter topology for Multiphase-Based Wind Energy Conversion Systems (WECSs). In this topology, a twelve-phase induction generator is integrated to the grid using dual Nine-Switch Converters (NSCs) connected in series forming a high voltage cascaded dc-link. For this generator phase number, this topology reduces the total number of semiconductor devices in the machine side converter by 25% than conventional topologies, where four three-phase two-level voltage source converters are typically needed. Moreover, it offers a high ac-dc boosting capability, which facilities a transformerless system operation. The twelve-phase induction generator can be regarded as dual symmetrical six-phase windings with a spatial displacement of 30. Therefore, each NSC controls each six-phase winding set. The dc-link midpoint balancing is achieved based on controlling the (x-y) current components of the two winding groups. The proposed topology and its control system are analyzed and simulated under different operating cases using MATLAB/SIMULINK. |
اللغة | en |
الناشر | Institute of Electrical and Electronics Engineers Inc. |
الموضوع | Dc-link voltage balancing Induction machine Multiphase machine Nine-switch converter Wind energy |
النوع | Conference Paper |
الصفحات | 139-144 |
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