Implementation of Novel Technique for Selective Harmonic Elimination in Multilevel Inverters Based on ICA
نویسندگان
چکیده
منابع مشابه
application of teaching - learning - based optimization in solving selective harmonic elimination problem of multilevel inverters
selective harmonic elimination (she) is a powerful modulation scheme aims to find the required switching angles in order to eliminate the number of undesired harmonics. she is a complicated problem which consists of several nonlinear equations which have multiple local minima. in order to eliminate the higher number of undesired harmonics and as a result reducing the total harmonic distortion (...
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Abetmct A concept of optimal surplus harmonies distribution in selective harmonic elimination PWM teehnique for multilevel inverters is introduced in this paper. There m e several performance indexes that fan he optimized in PWM inverters, e.g., distortion factor, current or voltage total harmonic distortion, or efficiency. Minimisation of magnetic noise is selected as an example here. Several ...
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The dc sources that feed the multilevel inverter are varying in time, and the switching angles should adapt to the dc source variations. Any variations in the input will result in harmonics at the output. To mitigate the harmonics in the inverter output, GA is used. A genetic algorithm optimization technique is applied to determine the switching angles for a cascaded multilevel inverter. Then, ...
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PWM inverters ideally shift the output voltage spectrum around the switching frequency. Thus ideally PWM inverters do not introduce any significant lower order harmonics. However, in real systems, due to deadtime effect, device drops and other non-idealities lower order harmonics are present. In order to attenuate these lower order harmonics and hence to improve the quality of output current, t...
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Multilevel inputs are capable of generating nearly sinusoidal waveform. The three level inverters use a source with two numbers of capacitors. The operating waveform contains three different levels. The five level inverters use a source with six numbers of capacitors. The operating waveform contains five different levels. The main objective of this paper is to compare the performance of diode c...
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ژورنال
عنوان ژورنال: Advances in Power Electronics
سال: 2013
ISSN: 2090-181X,2090-1828
DOI: 10.1155/2013/847365