Research on Suppressing Electromagnetic Interference Level of Wireless Charging System by Using Chaotic Modulation Technology
[1]Gao Jinfeng,Yu Ya,Zhang Xuhui,et al.Research on Suppressing Electromagnetic Interference Level of Wireless Charging System by Using Chaotic Modulation Technology[J].Journal of Zhengzhou University (Engineering Science),2016,37(05):62-66.[doi:10.13705/j.issn.1671-6833.2016.05.012]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
37
Number of periods:
2016 05
Page number:
62-66
Column:
Public date:
2016-11-25
- Title:
- Research on Suppressing Electromagnetic Interference Level of Wireless Charging System by Using Chaotic Modulation Technology
- Keywords:
- CCFMFD; wireless charging; EMI; high-frequency inverter
- CLC:
- -
- Abstract:
- In the fixed-frequency PWM (pulse width modulation) control mode, the current spectrum energy of the transmitting/receiving coil is concentrated, resulting in a high level of external electromagnetic interference. The chaotic carrier frequency modulation technology is applied to the high-frequency inverter of the electric vehicle wireless charging system. This This modulation technique can broaden the current spectrum of the transmitting/receiving coil, distribute the same transmission energy on different frequency lines similarly randomly, thereby improving the frequency spectrum of the space electromagnetic field and reducing the external electromagnetic interference level of the wireless charging system. Computer simulation and The experimental results have proved the effectiveness of the method.
- References:
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