A comparative study of LC filter and damper winding for noise reduction of PWM-fed IM

Author(s):  
François Balavoine ◽  
Grégory Bauw ◽  
Bertrand Cassoret ◽  
Raphaël Romary

In this paper, two passive solutions for noise reduction of PWM-fed induction machines are compared: the use of LC filter connected between the PWM inverter and the machine, and a three-phase damper wound inside the machine and connected to three capacitors. Firstly, the principle, advantages and disadvantages of each solution are recalled. The equivalent electrical circuits used for the study are also explained. Then, the effectiveness of both solutions in terms of voltage harmonic reduction and harmonic flux density reduction is discussed. The weight and size criteria are also studied. Results are given for two different power ranges of induction machines: 4 kW and 55 kW, and for two different switching frequencies of the PWM inverter: 3 kHz and 8 kHz.

Author(s):  
Gregory Bauw ◽  
Bertrand Cassoret ◽  
Olivier Ninet ◽  
Raphael Romary

Purpose The purpose of this paper is to present a design method for induction machines including a three-phase damper winding for noise and vibrations reduction. Design/methodology/approach In the first part, the principle of the damper winding is recalled. The second part presents the iterative design method which is applied on a 4-kW pulse width modulation (PWM)-fed induction machine to study the impact of the additional winding on the geometry. In the third part, the finite-element method is used to validate the designed geometry and highlight the harmonic flux density reduction. Finally, some experimental results are given. Findings The study shows that the impact of the additional three-phase winding on the geometry and weight of the machine is low. Moreover, the proposed noise reduction method allows one to reduce the total noise level of a PWM-fed induction machine up to 8.5 dBA. Originality/value The originality of the paper concerns the design and characterization of a three-phase damper winding for a noiseless induction machine. The principle of this proposed noise reduction method is new and has been patented.


1991 ◽  
Vol 6 (1) ◽  
pp. 62-72 ◽  
Author(s):  
T. Kawabata ◽  
T. Miyashita ◽  
Y. Yamamoto

2021 ◽  
Author(s):  
Zhi Cao ◽  
Gabriel Andres Rojas Cardenas ◽  
Emad Roshandel ◽  
Amin Mahmoudi ◽  
Solmaz Kahourzade ◽  
...  

Author(s):  
Sobhy S. Dessouky ◽  
M. Fawzi ◽  
Basem E. Elnaghi ◽  
Hamed A. Ibrahim ◽  
Mariam K. Shehata

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