Open AccessThe Study Methods of Increase Efficiency Algorithms Pulse width Modulation in AC Electric Drives
Author(s) -
Bogdan Vasilev
Publication year - 2016
Publication title -
international journal of electrical and computer engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.277
H-Index - 22
ISSN - 2088-8708
DOI - 10.11591/ijece.v6i6.pp2855-2862
Subject(s) - pulse width modulation , inverter , computer science , induction motor , control theory (sociology) , modulation (music) , algorithm , electronic engineering , voltage , electrical engineering , physics , control (management) , engineering , acoustics , artificial intelligence
In the paper describes the AC electric drive, which consists of the induction motor and the semiconductor converter. Structure of the frequency converter, which includes a three-phase bridge inverter on based fully controlled transistors, is considered. The algorithm of pulse width modulation, which used in the majority of the electric drives, is discussed. The characteristics and shortcomings of the algorithm is shows. Algorithmically methods to improve the efficiency of the inverter – promodulation control signal. The efficiency of this method in different variations is given. The level electromagnetic compatibility inverter and efficiency various control algorithms are analyzed. The conclusions about feasibility of using the method promodulation.