射频能量采集系统的谐波抑制技术  

Harmonic Suppression Technology of RF Energy Acquisition System

作　　者：孟祥麟 Meng Xianglin(School of Electrical Engineering,Wuhan University,Wuhan 430072,Hubei,China)

机构地区：[1]武汉大学电气工程学院,湖北武汉430072

出　　处：《四川电力技术》2018年第4期60-63,68,共5页Sichuan Electric Power Technology

摘　　要：针对射频能量采集系统中谐波抑制电路存在的效果不佳和效率不高的问题,提出一种基于对称二极管整流电路的扇形带线的谐波抑制电路设计。该设计使用对称二极管整流电路的设计对由非线性电子元件而引发的偶次谐波进行抑制;同时引入3个经过优化设计的扇形带线对3次谐波进行有效抑制,通过利用扇形带线所具有的宽带阻特性实现了整流电路对输入信号频率的较好的适应性。试验证明,在测试条件下该电路能够在较宽的输入频段内有效抑制4阶输入谐波,且整流效率最大值达到78.2%。Aiming at the problems such as poor effect and low efficiency existing in harmonic suppression circuit in RF energy acquisition system,a design of harmonic suppression circuit with a fan belt line based on symmetric diode rectifier circuit is proposed. The proposed design uses the design of symmetric diode rectifier circuit to suppress even harmonics caused by nonlinear electronic components,at the same time three fan belt lines with optimized design are introduced to suppress the third harmonic effectively,and through the use of fan belt line with broadband impedance characteristics the rectifier circuit realizes a good adaptability to the input signal frequency. The experiment proves that the circuit can effectively suppress the fourth order input harmonics in the wider input band,and the maximum rectifying efficiency reaches 78. 2%.

关 键 词：谐波抑制 扇形带线 整流电路 3次谐波 整流效率 

分 类 号：TN31[电子电信—物理电子学]