Comparison of the Acoustic Noise caused by Output Voltage Harmonics on Three-Phase Voltage-Fed Inverters

2019 ◽  
Vol 139 (11) ◽  
pp. 901-907
Author(s):  
Jumpei Sawada ◽  
Shin-ichi Motegi ◽  
Yoshitaka Nakamura ◽  
Masaki Yamada
Keyword(s):  
Output Voltage ◽  
Acoustic Noise ◽  
Phase Voltage ◽  
Three Phase ◽  
Voltage Harmonics

Design and Implementation of Three Phase Reversing Voltage Multilevel Inverter

2016 ◽  
Vol 5 (2) ◽  
pp. 59
Author(s):  
G. Vijaykrishna ◽  
Y. Kusumalatha
Keyword(s):  
Induction Motor ◽  
Power Quality ◽  
Output Voltage ◽  
Multilevel Inverter ◽  
Design And Implementation ◽  
Switching Losses ◽  
Three Phase ◽  
Voltage Harmonics

This paper examines how a Reversing voltage multilevel inverter (RVMLI) strategy is enforced to develop multilevel inverter fulfilment. This approach has been used SPWM-PD technique to regulate the electrical inverter. It desires numerous less range of carrier signals to deliver gate pulses of switches. Increasing within the levels during this strategy aid in reduction of output voltage harmonics expeditiously and improves power quality at output of the electrical inverter. It wants a lowered quantity of total switches, which is in a position to decreases of switching losses in this process. The Three-phase reversing voltage multilevel inverter of 7- level and 9- level is accomplished for R-load and R-L load and Three Phase Induction Motor. A reversing voltage multilevel inverter of 7- level and 9- level simulation is intended and developed. Mat lab/Simulink outcome is awarded to validate the proposed scheme.

Analysis and Suppression Strategy of Harmonics for SPWM Inverter

2012 ◽  
Vol 588-589 ◽  
pp. 454-457
Author(s):  
Xin Jun Li
Keyword(s):  
Output Voltage ◽  
Correct Choice ◽  
Harmonic Suppression ◽  
Phase Voltage ◽  
Distortion Factor ◽  
Waveform Control ◽  
Three Phase ◽  
Waveform Distortion ◽  
Suppression Strategy ◽  
Generation Rule

The three-phase voltage type SPWM inverter output voltage and current harmonic and its generation rule is discussed. And put forward a new easy to implement harmonic suppression strategy, the method through the correct choice of the carrier frequency and the sinusoidal wave superimposed on a three wave makes saddle shaped wave, to produce a corresponding SPWM waveform control inverter switch on-off thus improving the output waveform. Mathematical analysis shows that is helpful to reduce the output voltage THD ( waveform distortion factor ), improved harmonic current loss and torque characteristics, the simulation results prove the validity of these measures and practical.

scholarly journals Three phase voltage source inverters with grid connected industrial application

2018 ◽  
Vol 7 (4) ◽  
pp. 18 ◽  
Author(s):  
Prakash N ◽  
Balaji V.R.
Keyword(s):  
Output Voltage ◽  
Control Algorithm ◽  
Power Flow ◽  
Pulse Width Modulation ◽  
Control Technique ◽  
Voltage Source ◽  
Phase Voltage ◽  
Nonlinear Load ◽  
Three Phase ◽  
Park Transformation

The grid-connected issue is one of the major problems in the field of Power Electronics. In this paper, the Three Phase Voltage Source Inverter (VSI) is controlled by a Space Vector Pulse Width Modulation (SVPWM) Technique. SVPWM control technique and Park transformation, the managed inverter control system to convert input DC power into AC power, stabilize the output voltage and current, and feeds the excess power to the utility grid can be achieved by controllers. Usually, the grid source contains higher level of harmonics. To analyze the harmonics, nonlinear load is connected externally in the point of common coupling. The main aim of this paper is to modeling, simulation and experimental study of the three-phase grid connected inverter. By using the control algorithm, the grid sides Total Harmonics Distortion (THD) are controlled to the 1.54% for 800V DC as per the IEEE standard. The stimulation results such as AC output voltage and current, inverter system power flow, and grid disturbances detection signals, proves the effectiveness of the developed control algorithm. The control algorithms to makes the for this inverter outputs is pure sinusoidal.

scholarly journals Passivity-Based Control Design Methodology for UPS Systems

Energies ◽  
2019 ◽  
Vol 12 (22) ◽  
pp. 4301 ◽  
Author(s):  
Rymarski ◽  
Bernacki ◽  
Dyga ◽  
Davari
Keyword(s):  
Output Voltage ◽  
Design Methodology ◽  
Control Design ◽  
Power Converter ◽  
Voltage Source ◽  
Phase Voltage ◽  
Nonlinear Load ◽  
Voltage Source Inverters ◽  
Three Phase ◽  
Passivity Based Control

This paper presents a passivity-based control (PBC) design methodology for three-phase voltage source inverters (VSI) for uninterruptable power supply (UPS) systems where reduced harmonic distortions for the nonlinear load, reduced output voltage overshoot, and a restricted settling time are required. The output filter design and modification for efficient control and existing challenges with the assignment of scaling coefficients of the output voltage, load, and inductor currents are addressed and analyzed. Notably, special attention is given to the modulator saturation issue through implementing an accurate converter model. Applications of the two versions of PBC in three-phase voltage source inverters using stationary αβ and rotating dq frames for a constant frequency of the output voltage are presented. Furthermore, the influence of the PBC parameters on the power converter performance is investigated. A comparative simulation and the experimental results validate the effectiveness of the presented passivity-based control design methodology.

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