A three level voltage space vector generation for open end winding IM using single voltage source driven dual two-level inverter

Author(s):  
K. Sivakumar ◽  
Anandarup Das ◽  
Rijil Ramchand ◽  
Chintan Patel ◽  
K. Gopakumar
EPE Journal ◽  
2010 ◽  
Vol 20 (1) ◽  
pp. 5-12 ◽  
Author(s):  
K. Sivakumar ◽  
Anandarup Das ◽  
Rijil Ramchand ◽  
Chintan Patel ◽  
K. Gopakumar

In this paper the three phase open end winding IM drive is designed and controlled using a fuzzy control based multilevel inverter with SVM technique is proposed. To overcome the disadvantages of PI controller, in this project we are using the fuzzy controller. The fuzzy controller rules are analyzed very easily, because of it is a human decision making system. The traditional dual inverter having two dc sources the cost and size is might be high, so to overcome this we use the proposed method with single dc voltage source. The main objective of the proposed method is to eliminate the transformer. To achieve the multilevel output voltage waveform with three levels a dc voltage ratio 2:1 is used. The space vector PWM is used to control the switching states of dual multilevel inverter. The fuzzy controller implementation cost is less and more precise. The simulation results are used to analyze the proposed method with fuzzy controller.


2012 ◽  
Vol 466-467 ◽  
pp. 1120-1124 ◽  
Author(s):  
Sheng Sheng Xu ◽  
Jiu He Wang ◽  
Xiao Bin Mu ◽  
Wen Gu

This paper presents passivity-based control of voltage source PWM rectifier based on voltage space vector synthesis. According to the power circuit of voltage source PWM rectifier, port controlled Hamilton dissipation (PCHD) model of this rectifier is established. Based on the PCHD model, passivity based controller can be derived. The controller is realized by modulation of synthetic space vectors .The passivity based controller can improve the system response speed and stability more effectively. The simulation results verify the feasibility of the proposed controller.


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