PWM strategy of single-phase to three-phase matrix converters for reducing output voltage harmonics and number of commutations

2012 ◽  
Author(s):  
Yusuke Furuhashi ◽  
Takaharu Takeshita
Keyword(s):  
Output Voltage ◽  
Single Phase ◽  
Matrix Converters ◽  
Three Phase ◽  
Voltage Harmonics

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.

The Influence of High Source Impedance on Controlled Bridge Rectifiers

1975 ◽  
Vol 12 (1) ◽  
pp. 44-56 ◽  
Author(s):  
I. R. Smith ◽  
S. Williams
Keyword(s):  
Output Voltage ◽  
Single Phase ◽  
Load Resistance ◽  
Modes Of Operation ◽  
Source Impedance ◽  
Three Phase ◽  
Bridge Rectifier ◽  
Wave Forms ◽  
Rectifier Circuits

An analysis is presented of inductively-loaded single-phase and three-phase thyristor bridge rectifier circuits, in which the source impedance cannot be neglected. It is shown that, as the ratio of the source reactance to the load resistance is raised, modes of operation with differing characteristics occur. Although the effect of an increased delay in the thyristor firing signals is normally to reduce the output voltage, it is shown that under certain conditions no change whatsoever is produced in the circuit wave-forms.

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