Electromagnetic Field Analysis and Design of a Hermetic Interior Permanent Magnet Synchronous Motor with Helical-Grooved Self-Cooling Case for Unmanned Aerial Vehicles
Abstract
:1. Introduction
2. Fluid Flow Analysis Governing Equations
3. Design and Electromagnetic Field Analysis of IPM Synchronous Motor
3.1. Stator Analysis Model Specification
3.2. Electromagnetic Field Analysis and Results
4. Design of the Helical-Grooved Self-Cooling Case
5. Environment and Results of the Experiment on Heat Dissipation Characteristics
5.1. Prototyping
5.2. Configuration of the Heat Dissipation Characteristics Experimental Environment
5.3. Heat Dissipation Characteristics: Experimental Results and Comparison
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Winding Diagram | Parameters | Unit | Value |
---|---|---|---|
Number of Slot | Slot | 36 | |
Number of Pole | Pole | 42 | |
Outside Diameter | mm | 81 | |
Inside Diameter | mm | 60 | |
Stack Length | mm | 20 | |
Air Gap | mm | 0.4 | |
Number of Turns | Turns | 10 | |
Number of Strands | Turns | 6 | |
Phase Resistance | mΩ | 0.202 | |
Slot Fill Factor | % | 43.69 | |
Rated Mechanical Power | W | 2000 | |
Rated Rotational Frequency | Hz | 60 |
Parameter | Unit | Value | |
---|---|---|---|
Helix angle | 10 | ||
Channel width | mm | 1.5 | |
Channel depth | mm | 0.6 | |
Clearance | mm | 0.5 |
Part | Material |
---|---|
Rotor Housing and Rear Housing and Cooling Case | Magnesium Alloy (Mg + 4 wt.%Zn + 1 wt.%Y) |
Magnet Housing | SKD11 |
Stator Core | 35PN210 |
Coil | Copper |
Permanent Magnet | N45SH |
Thermocouple Wire | Location |
---|---|
Spot 1 | Coil |
Spot 2 | Top of Stator inside |
Spot 3 | Bottom of Stator inside |
Spot 4 | Top of Stator outside |
Spot 5 | Bottom of Stator Outside |
Spot 6 | Inner Bottom Cover |
Spot 7 | Outer Bottom Cover |
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Lee, H.-S.; Hwang, M.-H.; Cha, H.-R. Electromagnetic Field Analysis and Design of a Hermetic Interior Permanent Magnet Synchronous Motor with Helical-Grooved Self-Cooling Case for Unmanned Aerial Vehicles. Appl. Sci. 2021, 11, 4856. https://doi.org/10.3390/app11114856
Lee H-S, Hwang M-H, Cha H-R. Electromagnetic Field Analysis and Design of a Hermetic Interior Permanent Magnet Synchronous Motor with Helical-Grooved Self-Cooling Case for Unmanned Aerial Vehicles. Applied Sciences. 2021; 11(11):4856. https://doi.org/10.3390/app11114856
Chicago/Turabian StyleLee, Hae-Sol, Myeong-Hwan Hwang, and Hyun-Rok Cha. 2021. "Electromagnetic Field Analysis and Design of a Hermetic Interior Permanent Magnet Synchronous Motor with Helical-Grooved Self-Cooling Case for Unmanned Aerial Vehicles" Applied Sciences 11, no. 11: 4856. https://doi.org/10.3390/app11114856