Research on Operation Principle and Control of Novel Hybrid Excitation Bearingless Permanent Magnet Generator
Abstract
:1. Introduction
2. The Operation Principle and Structure of the HEBPMG
2.1. The Motor Structure and Windings Distributions of the HEBPMG
2.2. The Suspension Principle of the HEBPMG
2.3. The Power Generation Principle of the HEBPMG
3. Mathematical Model of HEBPMG
3.1. Mathematical Model of Inducted Voltage
3.2. Mathematical Model of Radial Suspension Force
3.3. FEA Analysis of HEBSG
4. Control System of the HEBPMG Based on Flux Observation
5. Simulation and Experiment
5.1. Simulation and Analysis
5.2. Experiment Result and Analysis
6. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Symbol | Quantity | Value |
---|---|---|
Q | Stator slot counts | 36 |
DS1 | Outer diameter of stator | 180 mm |
DS2 | Inner diameter of stator | 110 mm |
Dr1 | Outer diameter of rotor | 98 mm |
Dr2 | Inner diameter of rotor | 30 mm |
Lg | Radial length of air-gap | 1 mm |
l | Axial length of rotor | 50 mm |
P | Rated power | 2.2 kW |
Stator slot full rate | 0.75 | |
I | Suspension force winding current | 5A |
Ф | Windings wire diameter | 0.71 mm |
Material of stator and rotor | D32_50 | |
Material of permanent magnet rotor | NFeB35 | |
Magnetization of permanent magnet rotor | parallel magnetization | |
ha | Auxiliary bearing thickness | 0.7 mm |
PM | Pole-pair of generation windings | 2 |
PB | Pole-pair of suspension windings | 1 |
PE | Pole-pair of excitation windings | 2 |
N1 | Turns in series of each phase of generation windings | 40 |
N2 | Turns in series of each phase of suspension windings | 60 |
N3 | Turns in series of each phase of excitation windings | 40 |
J | The rotational inertia | 0.00059 kg·m2 |
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Zhu, H.; Hu, Y. Research on Operation Principle and Control of Novel Hybrid Excitation Bearingless Permanent Magnet Generator. Energies 2016, 9, 673. https://doi.org/10.3390/en9090673
Zhu H, Hu Y. Research on Operation Principle and Control of Novel Hybrid Excitation Bearingless Permanent Magnet Generator. Energies. 2016; 9(9):673. https://doi.org/10.3390/en9090673
Chicago/Turabian StyleZhu, Huangqiu, and Yamin Hu. 2016. "Research on Operation Principle and Control of Novel Hybrid Excitation Bearingless Permanent Magnet Generator" Energies 9, no. 9: 673. https://doi.org/10.3390/en9090673