scholarly journals OPEN SWITCH FAULT DIAGNOSIS IN THREE PHASE INVERTER USING DIAGNOSTIC VARIABLE METHOD

2013 ◽  
Vol 02 (12) ◽  
pp. 636-640 ◽  
Author(s):  
Mala Ratan Ubale .
Keyword(s):  
Fault Diagnosis ◽  
Variable Method ◽  
Phase Inverter ◽  
Three Phase ◽  
Open Switch ◽  
Three Phase Inverter

Lissajous Curve of an Auxiliary Winding Voltage Park Components for Diagnosing Multiple Open Switches Faults in Three Phase Inverter

2014 ◽  
Vol 672-674 ◽  
pp. 1224-1233 ◽  
Author(s):  
Lamiaâ El Menzhi ◽  
Abdallah Saad
Keyword(s):  
Induction Motor ◽  
New Technique ◽  
Phase Voltage ◽  
Phase Inverter ◽  
Voltage Inverter ◽  
Three Phase ◽  
Open Switch ◽  
Simulation Results ◽  
A New Technique ◽  
Three Phase Inverter

In this paper, a new technique for diagnosing multiple open switch fault in three phase voltage inverter feeding induction motor is presented. It is based on the so-called the Lissajous curve of an auxiliary winding voltage Park components. For this purpose, expressions of the inserted winding voltage and its Park components are presented. Simulation results curried out for non defected and defected inverter show the effectiveness of the proposed method.

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