Comparison of different total harmonic distortion and switching. 

Comparison of different total harmonic distortion and switching. 

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Multilevel inverters have gained much attention for its operation involving applications ranging values of high power rating. This paper proposes a switching topology for asymmetric multilevel inverter utilizing less number of power electronics components. When the number of the output level increases, it requires more switching states and eventual...

Contexts in source publication

Context 1
... an increase in the number of output levels leads to the increase in cost and complicity of the circuit as well as leading to increased switching losses of all the switches being used in the circuit leading as a reduced overall efficiency of the system. The same is being compared for different output voltage levels as shown in Table 1. As per the comparison made [9] in Table 1, the necessity of switches for a 3 level output is less, which gives a higher THD. ...
Context 2
... same is being compared for different output voltage levels as shown in Table 1. As per the comparison made [9] in Table 1, the necessity of switches for a 3 level output is less, which gives a higher THD. This may be a factor of advantage when the switching loss associated is less but is undesirable with respect to THD which ensures poor power quality. ...

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Citations

... The multilevel Inverter Schemes use limited number of switches at low-switching frequency [10]. Several models of multilevel inverters have been mentioned in [11][12][13]. Some ones are diode-clamped, flying capacitor or multicascaded H-bridge, and modulated H-bridge multilevel. ...
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... The switching pattern has designed in such a way that all the lower dominant harmonics may eliminate [13], [14], [15].In the Eleven-level inverter the 5 th , 7 th and 11 th harmonics get eliminated. The Fourier analysis is necessary to determine the Fourier spectra of the output voltage wave. ...
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