Random space vector modulation technique for high switching frequency inverter control

1997 ◽  
Vol 33 (17) ◽  
pp. 1425 ◽  
Author(s):  
Yen-Shin Lai
Keyword(s):  
Switching Frequency ◽  
Space Vector Modulation ◽  
Space Vector ◽  
Modulation Technique ◽  
High Switching Frequency ◽  
Vector Modulation ◽  
Frequency Inverter

scholarly journals Space Vector Modulation Technique for 3-Level NPC Converter with Constant Switching Frequency

2016 ◽  
Vol 2016 ◽  
pp. 1-13
Author(s):  
Imen Ouerdani ◽  
Hafedh Ben Abdelghani ◽  
Afef Bennani Ben Abdelghani ◽  
Daniel Montesinos-Miracle ◽  
Ilhem Slama-Belkhodja
Keyword(s):  
Degrees Of Freedom ◽  
Experimental Results ◽  
Switching Frequency ◽  
Space Vector Modulation ◽  
Space Vector ◽  
Modulation Technique ◽  
Duty Cycles ◽  
Mathematical Expressions ◽  
Vector Modulation

This paper presents a simple Space Vector Modulation (SVM) methodology for a three-level NPC converter. Nearest three vectors (NTV) and corresponding duty cycles are deduced through simple generic mathematical expressions. Extra degrees of freedom of NPC converter are used to fully benefit from SVM advantages and to control the switching frequency. Simulation and experimental results are presented and discussed to validate the proposed methodology.

scholarly journals A generalized switching function-based discontinuous space vector modulation technique for unbalanced two-phase three-leg inverters

2019 ◽  
pp. 1157-1171
Author(s):  
WATCHARIN SRIRATTANAWICHAIKUL
Keyword(s):  
Switching Function ◽  
Space Vector Modulation ◽  
Space Vector ◽  
Two Phase ◽  
Power Switching ◽  
Modulation Technique ◽  
Step Procedure ◽  
Minimum Number ◽  
Main Period ◽  
Vector Modulation

This paper presents a discontinuous space vector modulation technique for unbalanced two-phase three-leg inverters. This technique is based on the shift-angle and generalized modulation algorithm obtained for generating the unbalanced two-phase output voltage. Furthermore, the discontinuous switching sequence intends to improve the commutations of power switching devices in each inverter leg that achieves a minimum number of switching state changes in one sampling cycle. Therefore, the switch commutations can be reduced by one-third in one main period. The step- by-step procedure of the modulation algorithm for easy implementation in a digital control platform is discussed. The performance of the developed modulation technique is verified through both simulation and experimental results in a nonunity power factor balanced two-phase load and asymmetrical two-phase induction motor drive.

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