Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Inverter Design in Low Loss by Using Ultrasonic PWM

Version 1 : Received: 21 January 2023 / Approved: 28 January 2023 / Online: 28 January 2023 (04:50:35 CET)

How to cite: Baqir, M.H.; Norsahperi, N.M.H.; Wahab, N.I.A. Inverter Design in Low Loss by Using Ultrasonic PWM. Preprints 2023, 2023010516. https://doi.org/10.20944/preprints202301.0516.v1 Baqir, M.H.; Norsahperi, N.M.H.; Wahab, N.I.A. Inverter Design in Low Loss by Using Ultrasonic PWM. Preprints 2023, 2023010516. https://doi.org/10.20944/preprints202301.0516.v1

Abstract

To build a stable power factor and high output accuracy, it should use balanced active and reactive power, also used ultrasonic PWM was used with the frequencies (20–500 kHz). I also used a three-phase dynamic load at the output system and was connected to the compound splicing (CS) system this is a novelty. An oscillator circuit with 4Ghz as a microcontroller is a novelty, and designing ADC is utilized to increase accuracy, as well as contribute to the reduction of loss brought on by the characteristics of voltage source inverters (VSI), such as dead time determined by the excess voltage or voltage drop in the inverter, circumstances abnormal to the load current, such as short circuit current in the production phase, and so forth. The innovation relates to the inverter's load sensing circuit, current smoothing during operation, reaction, spontaneous power factor enhancement of the inverter, and correction of reactive power of passive devices. This invention contributes to the advancement of D.C to A.C power converter by the achievement of extremely low losses, excellent precision, and lightweight construction. Additionally, the accuracy ranges from 99%, and the total harmonic distortion (THD) of the voltage and current is (0.1%-0.8%). We Power MOSFET are used, along with FPGA to improve control over the creation of ultrasonic PWM signals, the programmable peripheral interface (PPI) 8255A for regulatory work. The marks serve as proof of this.

Keywords

FPGA; PPI 8255A; Oscillator circuit 4GHz; Ultrasonic PWM; VSI

Subject

Engineering, Electrical and Electronic Engineering

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