HEPWM implementation for fifteen level cascaded inverter using field programmable gate array | IEEE Conference Publication | IEEE Xplore

HEPWM implementation for fifteen level cascaded inverter using field programmable gate array


Abstract:

Inverters are considered an integral part in renewable energy systems. However, the presence of harmonics in their output leads to severe effect on the performance of the...Show More

Abstract:

Inverters are considered an integral part in renewable energy systems. However, the presence of harmonics in their output leads to severe effect on the performance of the systems connected to them. Recently, the multilevel voltage source inverter (MVSI) has been used extensively for high power conversion. It has better harmonics profile than the two-level VSI. The harmonics elimination pulse width modulation (HEPWM) method has been widely applied to remove low frequency harmonics from the output voltage of MVSI. In this paper, implementation of HEPWM using field programmable gate array (FPGA) was done to generate trigering pulses for fifteen levels cascaded inverter. The experimental verification is carried out by constructing the fifteen level MVSI using the Altera FPGA. In addition, comparison is made with MATLAB/Simulink results. It is found that both simulation and hardware results are in very close agreement with the theoretical expectation.
Date of Conference: 13-14 October 2014
Date Added to IEEE Xplore: 01 December 2014
Electronic ISBN:978-1-4799-4848-2
Conference Location: Johor Bahru, Malaysia

I. Introduction

Renewable energy becomes challenging field with the increasing of the energy demand in the world. For the last three Decades, copious researches have been done to make renewable energy (RE) more feasible. Shortage in fossil fuels and concerns over global warming due to greenhouse gases are some of the stimulating factors lead to rapid progress in alternatives and renewable energy (RE) research [1], [2]. RE sources are more sustainable due to their natural abundance and environmental friendly nature. Despite the higher initial investment cost, quite a significant number of countries, companies and organizations have started on RE-based power generation projects for commercial purposes.

References

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