An Adaptive Broadband Active Impedance Matching Network for Underwater Electroacoustic Transduction System

被引：15

作者：

Yu, Jiawen ^{[1
]}

Wang, Lei ^{[1
]}

Tian, Wei ^{[1
]}

Zhang, Kai ^{[1
]}

Liao, Shuhan ^{[1
]}

Xu, Qianming ^{[1
]}

机构：

[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2023年 / 70卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Power amplifiers; Impedance matching; Impedance; Transducers; Capacitors; Voltage; Broadband amplifiers; Broadband; impedance matching; power factor (PF); reactive power; POWER-AMPLIFIER; OPTIMIZATION;

D O I：

10.1109/TIE.2022.3198258

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Since the power supply is limited in ships, the impedance matching network is essential for a high-power underwater electroacoustic transduction system. However, the existing impedance matching networks can barely achieve full impedance matching under a wide frequency change range. This article proposes a shunt active impedance matching network (SAIMN) to achieve adaptive broadband impedance matching (up to 400 Hz) for increasing power utilization from a power amplifier to the transducer. First, the load impedance characteristic and operation principle of SAIMN are introduced mathematically. Second, the parameter design method is provided to improve impedance matching performance. After that, a compound control strategy is presented to control the power amplifier and proposed SAIMN. Finally, the simulation and experimental results validate the effectiveness of the proposed SAIMN and its control strategy. The results clearly show that the proposed SAIMN can adaptively match load impedance for the different loads in a broadband frequency range. The power factor of the power amplifier is significantly improved, and the current stress of the switching device is significantly reduced with the proposed SAIMN.

引用

页码：5433 / 5443

页数：11

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