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   lMPROVED SCHEME FOR SPEED CONTROL OF AN ASYNCHRONOUS MACHINE BY FIELD ORIENTED METHOD   [View] 
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 Author(s)   Ioan Felician Soran; Dragos Ovidiu Kisch 
 Abstract   All the field oriented methods of speed control presume as known the position of chosen field. The estimated performances, sometimes obtained by a careful simulation have no value, and cannot be found in practice if the position of the field is wrong synthetised. The paper analyses the errors due to wrong orientation and gives a method to compensate the orientation errors, even dynamically i.e. even at parameters variations due to saturation. This is the main contribution of the paper. Besides there are some details about separation of the leakage reactances for wound rotor machines and the protection against the short circuits in P.W.M. inverter. 
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Filename:Unnamed file
Filesize:2.003 MB
 Type   Members Only 
 Date   Last modified 2019-08-13 by System