用功率流方法研究压电陶瓷变压器的电气特性  

Study on Electrical Characteristic of Piezoelectric Transformer by Power Flow Method

作　　者：张东彦[1] 张卫平[1] D Y Chen Fred C Lee 

机构地区：[1]北方工业大学,北京100041 [2]Center For Power Electronics Systems

出　　处：《电子学报》2003年第11期1648-1650,共3页Acta Electronica Sinica

基　　金：中国国家自然科学基金项目 (No .50 2 770 0 1 ) ;美国国家电力电子系统中心资助项目;现场总线北京市重点实验室资助项目

摘　　要：基于功率流方法 ,本文提出了一种分析压电陶瓷变压器电气特性的方法 .其主要贡献是 :(1)给出了计算最佳负载、电压增益、效率和输出功率等电气特性的公式 ;(2 )利用这些公式 ,给出了分析压电陶瓷变压器电气特性的计算程序 ,并提出了最佳电阻和最佳匹配网络的概念 ;(3)为了证明其理论结果 ,文中给出了仿真结果 .本文所得到的结果为分析压电陶瓷变压器电气特性提供了一个有用的工具 .Based on power-flow-method, an effective approach for analyzing the electric property of FT (Piezoelectric Transformer) has been proposed. The main contributions are as the follows: (1). The formulas for calculating the optimal load, voltage's gain, efficiency, the output power of PT and so on have been derived; (2). According to these formulas, the procedure of finding out the electrical properties of PT has been put forward and the two new concepts, optimal load resistance and output matching network, have been introduced; (3). A few of simulated and experimental results have been given out to verify the conclusion. This approach is a very useful tool for analyzing the electric property of PT.

关 键 词：压电陶瓷变压器 电气特性 匹配网络 最佳负载 

分 类 号：TM4[电气工程—电器]