High-voltage ripple test system and frequency sweeping method thereof
The invention provides a high-voltage ripple test system and a frequency sweep method thereof, and relates to the field of electric vehicle high-voltage system testing, amplitude full-frequency-band frequency sweep is firstly fixed, a resonant frequency point fc of a resonant network formed by paras...
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| Main Authors | , , , , |
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| Format | Patent |
| Language | Chinese English |
| Published |
07.05.2024
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| Subjects | |
| Online Access | Get full text |
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| Summary: | The invention provides a high-voltage ripple test system and a frequency sweep method thereof, and relates to the field of electric vehicle high-voltage system testing, amplitude full-frequency-band frequency sweep is firstly fixed, a resonant frequency point fc of a resonant network formed by parasitic inductors Ls2 and Ls5 and a CDUT is determined, and then amplitude incremental frequency sweep is carried out at the resonant frequency point fc. According to the resonance point amplitude incremental protection strategy provided by the invention, the problems of how to judge the resonance frequency point and how to sweep frequency at the LC resonance frequency are solved, so that the test process is safer and more reliable, and the experimental risk of the electrical performance test of the automobile high-voltage component is effectively reduced.
本发明提出一种高压纹波测试系统及其扫频方法，涉及电动汽车高压系统测试领域，先固定幅值全频率段扫频，确定寄生电感Ls2、Ls5和CDUT组成的谐振网络的谐振频率点fc，然后在谐振频率点fc处幅值递增扫频。本发明提出的谐振点幅值递增保护策略，解决了如何判别谐振频率点和如何在LC谐振频率处扫频的问题，使测试过程更加安全可靠，有效降低 |
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| Bibliography: | Application Number: CN202410168972 |