Analysis Of A Class Of PWM Sinewave Inverters With High Frequency Link

In this paper the salient features of four different topologies of low frequency sinewave inverter with high frequency link and PWM control is presented. The inverters employ ferrite cored transformers, inductors, resonant filters tuned to switching frequency (>20 kHZ) and power MOSFETs resulting...

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Bibliographic Details
Main Authors: Prakash, S.R.N., Mohan, P.V.A., Iyengar, B.S.R.
Format: Conference Proceeding
Language:English
Subjects:
Breakdown voltage
Circuit faults
Frequency
Pulse inverters
Pulse transformers
Pulse width modulation
Pulse width modulation inverters
Topology
Voltage control
Voltage-controlled oscillators
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Summary:In this paper the salient features of four different topologies of low frequency sinewave inverter with high frequency link and PWM control is presented. The inverters employ ferrite cored transformers, inductors, resonant filters tuned to switching frequency (>20 kHZ) and power MOSFETs resulting in compact design. Equivalent circuit approach is used for analyzingall the four topologies and computer simulation. The method of synthesizing the sinusoidal PWM waveform, as well al estimation of total harmonic distortion and response of the low pass filters using discrete time domain analysis are presented along with the relevant graphs and waveforms.
DOI:10.1109/TENCON.1991.712553