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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhang, Shukuan Zheng, Ping Yu, Bin Cheng, Luming Wang, Mingqiao |
| Abstract | To overcome the inherent demerit of low power factor existing in transverse-flux permanent-magnet (TFPM) machines, a tubular staggered-teeth TFPM linear machine is presented here. Linear alternator integrated with free-piston Stirling engines could offer a great potential in a wide variety of applications ranging from solar energy generation to space power supply. The thermal behaviour of the machine is studied using a three-terminal lumped-parameter thermal network (LPTN) to solve the problem of temperature overestimation of the traditional LPTN. The determination of thermal resistances and thermal parameters are introduced in detail. The temperatures of various components of the machine under different load conditions are calculated by both the three-terminal LPTN model and the numerical thermal model. Sensitivity analysis is carried out to study the influence of critical thermal parameters on the temperature rise of the machine. On this basis, the effectiveness of the forced air cooling is investigated. A prototype is fabricated and temperature experiment indicates that there is a good agreement between measurement and calculation. |
| Starting Page | 1048 |
| Ending Page | 1057 |
| Page Count | 10 |
| ISSN | 17518660 |
| Volume Number | 12 |
| e-ISSN | 17518679 |
| Issue Number | Issue 7, Aug (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/12/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0828 |
| Journal | IET Electric Power Applications |
| Publisher Date | 2018-04-26 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | A.C. Machine Cooling Critical Thermal Parameter D.C. Machines Experimental Verification Finite Element Analysis Free-piston Stirling Engines Great Potential Inherent Demerit Linear Alternator Linear Machine Low Power Factor Lumped Parameter Network Lumped-parameter Thermal Network Numerical Thermal Model Permanent Magnet Machine Permanent-magnet Linear Machine Pistons Power Factor Sensitivity Analysis Solar Energy Generation Space Power Supply Staggered-teeth TFPM Linear Machine Staggered-teeth Transverse-flux Stirling Engines Synchronous Machine Temperature Experiment Temperature Rise Thermal Analysis Thermal Behaviour Thermal Resistances Three-terminal LPTN Model Traditional LPTN Transverse-flux Permanent-magnet |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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