Design of variable output voltage power supply for power amplifier of underwater acoustic sensor

2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI:10.1109/ICIT.2014.6894897

Seung-Soo Choi, Jaemin Shim, Jin-Yung Kim, In-Dong Kim, E. Nho, W. Moon, Won-Ho Kim

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引用次数: 2

Abstract

The paper proposes a new multilevel variable output voltage AC/DC Converter for power supply of power amplifiers used in underwater acoustic sensors. The proposed multilevel variable output voltage AC/DC Converter is composed of two converter sections. One as the input section is a high efficiency phase-shifted PWM full bridge DC-DC converter to get multiport power sources. The other as the output section is composed of two flying-capacitor 3-level DC-DC converters and a diode bridge circuit to get fast-response and multilevel variable output voltage for an envelope amplifier. The paper suggests the detailed circuit topology and design guideline of multilevel variable output voltage AC/DC converter. It also proposes the power balanced control method between 3-level converters and the voltage balanced algorithm for flying capacitors. Its characteristics should be verified by the detailed simulation results. It is anticipated that the proposed converter will work very well for power amplifiers used in underwater acoustic sensors.

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水声传感器功率放大器可变输出电压电源的设计

提出了一种用于水声传感器功率放大器电源的多级可变输出电压AC/DC变换器。所提出的多电平可变输出电压AC/DC变换器由两个变换器部分组成。其中一个作为输入部分是一个高效相移PWM全桥DC-DC变换器，以获得多端口电源。另一部分作为输出部分，由两个飞电容3电平DC-DC变换器和一个二极管桥电路组成，为包络放大器提供快速响应和多电平可变输出电压。提出了多电平可变输出电压交直流变换器的详细电路拓扑结构和设计准则。提出了三电平变换器之间的功率平衡控制方法和飞行电容器的电压平衡算法。其特性需要通过详细的仿真结果来验证。预计所提出的转换器可以很好地用于水声传感器的功率放大器。

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2014 IEEE International Conference on Industrial Technology (ICIT)

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