• 中国科技核心期刊
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Volume 30 Issue 1
Feb  2022
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2022  >  30(1): 109-114
ZHANG Yao-you, CHEN Ya-lin, ZHANG Kui, CHENG Xue-feng, WANG Xu. Optimization Analysis of Energy Storage Capacitor Parameters for Power Amplifier Circuit[J]. Journal of Unmanned Undersea Systems, 2022, 30(1): 109-114. doi: 10.11993/j.issn.2096-3920.2022.01.014
Citation: ZHANG Yao-you, CHEN Ya-lin, ZHANG Kui, CHENG Xue-feng, WANG Xu. Optimization Analysis of Energy Storage Capacitor Parameters for Power Amplifier Circuit[J]. Journal of Unmanned Undersea Systems, 2022, 30(1): 109-114. doi: 10.11993/j.issn.2096-3920.2022.01.014
shu

Optimization Analysis of Energy Storage Capacitor Parameters for Power Amplifier Circuit

doi: 10.11993/j.issn.2096-3920.2022.01.014

  • The 705 Research Institute, China State Shipbuilding Corporation Limited, Xi’an 710077, China

  • Received Date: 2021-09-16
  • Rev Recd Date: 2021-12-29
  • Publish Date: 2022-02-28
    Abstract
  • The electromagnetic interference(EMI) filter of underwater acoustic detection equipment is used to suppress the power supply interference, reduce the electrical noise of the system, and improve the detection performance of the system. However, it affects the stability of the power amplifier. This study proposes to solve the problem of emission stability and optimize the electromagnetic environment of the detection system by connecting the energy storage capacitor at the output terminal of the EMI filter in parallel. Furthermore, the models of the EMI filter and power amplifier circuit and load were established. Subsequently, the influence of energy storage capacitor value on power amplifier circuit was analyzed, and a method for selecting energy storage capacitor parameters was proposed. The principal circuit was built, and the accuracy of the model and capacitor selection method was verified using experiments. The experimental results showed that when choosing the energy storage capacitor of the EMI filter of underwater acoustic detection equipment, the proposed model can be used to calculate a minimum energy storage capacitor value that meets the requirements of the power amplifier. The power supply quality of the power amplifier improves when a larger energy storage capacitor is chosen at the allowed cost, volume, and calculated minimum capacitance value.

     

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