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