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Compressors – How to Model a Single-phase Induction Motor

This webinar covers modeling single-phase induction motors in refrigerator compressors, emphasizing design, magnetic circuits, dynamic simulations, and thermal performance evaluation.

DATE/TIME:
August 12 , 2025
11AM EDT

Venue:
Virtual

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Overview

Single-phase induction motors remain popular for domestic appliances like refrigerator compressors, where simplicity, cost-effectiveness, and reliability are key. However, accurately modeling these motors presents unique challenges due to their asymmetric winding structure and starting mechanisms.​

This session offers a practical introduction to modeling single-phase induction motors, focusing on their use in compressor applications. A case study highlights the complete modeling workflow of a typical hermetic compressor motor, from initial geometry setup to system-level validation. ​

What You Will Learn

  • Motor structure—typically featuring main and auxiliary windings—and discuss common starting methods such as capacitive and resistive start designs​
  • Modeling process for the magnetic circuit, rotor dynamics, and unbalanced flux behavior inherent in a single-phase operation​
  • Analytical non-linear equivalent circuits and finite element analysis (FEA) extracts key performance parameters
  • Dynamic simulations capture both startup and load-running characteristics​
  • Thermal modeling approaches to evaluate temperature rise during continuous operation​

Who should attend

This talk is aimed at engineers and engineering managers looking to gain hands-on insights into building robust, simulation-ready models for 1-phase induction motors, helping to enhance design accuracy and optimize energy efficiency in domestic cooling systems.

Speakers

  • Mircea Popescu

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