Implimentation of Delta Sigma Modulator - Simulink description
An Advanced Simple Configuration Delta-Sigma Modulation Three-Phase Inverter Implementing Space Voltage Vector Approach. To miniaturize and enhance the performance of a variety type of switching mode inverters and converters, researchers have developed with great efforts so far. In these switching nodeconverters, pulse width modulation (PWM) technique is commonlymade use of voltage regulation. In case of using PWM processingscheme, noise peaks appear at the whole number of carrier frequency. And this causes bad influence to the electronic information, telecommunication, consumer and medical equipments nearthe converter. On the contrary, in case of applying a delta-sigmamodulation scheme to switching power converters, no noise peaksappear in the high frequency bands. In this paper, an advancedthree-phase delta-sigma modulation inverter introducing spacevoltage vector modulation scheme is presented and evaluated.Though the proposed modulation inverter consists of simple con-figuration, the proposed scheme can suppress noise level effectivelywith low switching operation number.
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