Parallel Connected VSI Inverter using Multi-carrier based Sinusoidal PWM Technique

Karthikeyan, D.; Palanisamy, R.; Vijayakumar, K.; Velu, A.; Selvabharathi, D.

doi:10.12928/telkomnika.v15i4.6477

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…The basic frequency component of AC current and voltage waveforms is regulated by the sinusoidal modulating signal as the modulator waveform. Switching rapidity of the inverter's power semiconductor switches is the same with the frequency of triangular carrier signals [21,22]. Gating signals of inverter are produced by the PWM generator controlling the ON/OFF condition of inverter's power semiconductor switches to output the desired five-level voltage shape.…”

Section: Inverter's Modulation Techniquementioning

confidence: 99%

Simplified five-level voltage source inverter with level-phase-shifted carriers based modulation technique

Suroso¹,

Nugroho²,

Azis³

et al. 2019

IJEECS

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<p>A simplified circuit topology of the five-level pulse width modulation (PWM) inverter for DC-AC power conversion with no-isolated DC voltage sources and reduced switching device number is presented in this paper. The inverter circuit is based on the three-level H-bridge inverter configuration. The developed five-level inverter needs only five controlled power switches and four isolated gate drive circuits. Furthermore, the proposed topology does not require bidirectional power semiconductor controlled switches, hence a conventional discrete power MOSFETs or IGBTs can be used to build the inverter circuits. To obtain a better quality output voltage waveform, the level-phase-shifted carriers based sinusoidal pulse width modulation control was applied to produce a five-level PWM voltage waveform. The proposed inverter circuit was examined by using computer simulation with Power PSIM software. The basic principle operation of the inverter circuit was verified experimentally in laboratory using two non-isolated DC voltage sources as the inputs of the inverter’s prototype circuit. Some analysis of inverter’s output waveforms are provided and discussed. <em></em></p>

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Section: Inverter's Modulation Techniquementioning

confidence: 99%

Simplified five-level voltage source inverter with level-phase-shifted carriers based modulation technique

Suroso¹,

Nugroho²,

Azis³

et al. 2019

IJEECS

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show abstract

Improving Voltage Profile of Islanded Microgrid using PI Controller

Qazi

Mustafa

2018

IJECE

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In islanding operating mode of microgrid, the voltage and frequency of system must be maintained by the microgrid, or else the system will crumble due to the characteristics of different distributed generators (DG) utilized in microgrid. The voltage and frequency lost provision when main grid is disconnected. This paper presents PI controller based voltage controller to regulate voltage to its normal condition. The controller is proposed to be utilized individually with each distributed generator (DG) in microgrid. The controller compares inverter output voltage with voltage at point of common coupling (PCC) and its output is feed to PWM pulse generator to generate appropriate pulses for inverter to regulate voltage to its nominal value. The simulation results of proposed system are shown using MATLAB/Simulink platform.

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Parallel Connected VSI Inverter using Multi-carrier based Sinusoidal PWM Technique

Abstract: Abstract

Cited by 2 publications

References 16 publications

Simplified five-level voltage source inverter with level-phase-shifted carriers based modulation technique

Simplified five-level voltage source inverter with level-phase-shifted carriers based modulation technique

Improving Voltage Profile of Islanded Microgrid using PI Controller

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