Experimental and Analytical Investigation of Acoustic Noise in Pulse-Width Modulated Inverter-Fed Induction Motors

Key Points

• Acoustic noise levels were significantly evaluated, revealing key frequency variations within the operations of induction motors.
• Using both experimental and analytical methods, the study identified critical noise sources in pulse-width modulation systems.
• Analysis focused on inverter-fed induction motors, highlighting design considerations to minimize acoustic emissions during operation.
• Implications suggest that enhancing motor design could lead to quieter operations, improving user experience and meeting regulatory standards.