FPGA Implementation of Generalized Modulation for Hybrid Multilevel Inverter with fixed Ratio DC Link Voltage

被引：0
|
作者：
Gautam, Shweta [1 ]
Kundu, Sombuddha [2 ]
Basu, Pinaki [3 ]
Gupta, Rajesh [1 ]
机构：
[1] Motilal Nehru Natl Inst Technol, Dept Elect Engn, Allahabad, Uttar Pradesh, India
[2] Tally Solut Pvt Ltd, Kolkata, India
[3] Indian Air Force, Jaisalmer, India
来源：
IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES 2012) | 2012年
关键词：
Asymmetrical multilevel inverters; fast Fourier transform (FFT); field programmable gate array (FPGA); total harmonic distortion (THD);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an FPGA implementation of generalized modulation for hybrid multilevel inverter, having fixed ratio dc voltage for each cell, has been proposed. A hybrid inverter consists of number of high voltage H-bridge cells, each operating at the fundamental frequency and a low voltage PWM operated H-bridge cell. The proposed modulation algorithm is independent of the actual dc link voltage of the cells. Also the templates for output voltage of each high voltage cells are generated internally without any need of inverter output voltage feedback for comparison with the reference. Verification of the proposed modulation algorithm is obtained for a seven level hybrid inverter using two cascaded H-bridge cells, both through the simulations and experiments. In experimental verification, the modulation algorithm is implemented using LabVIEW FPGA module programming on reconfigurable data acquisition board.
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页数：5
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