一种新型阴极防腐特种电源  

A Novel Power Apparatus Applied for the Cathode Anticorrosion

作　　者：薛胜东[1] 

机构地区：[1]中国石化胜利石油管理局,山东东营257200

出　　处：《现代电子技术》2005年第22期119-120,共2页Modern Electronics Technique

摘　　要：提出一种适用于油气集输管线阴极防腐保护特种电源的新型功率变换器,对其工作原理做了详细讨论,结合具体应用实例阐述一种简单实用的脉冲频率控制方法,给出了该恒电位仪的有关实验波形和输出外特性曲线。研制结果表明,采用零电流功率开关有利于降低开关损耗和提高变换器的容量与效率。This paper proposes a new type power converter applied for the cathode anticorrosion of oil-gas-pipelines. Its circuit topology and operation principle are discussed. A kind of distinctive pulse frequency control method is presented in accordance with the working characteristics of the converter as a specific case. The experiment waveforms and output characteristic curves of the constant potential apparatus are gived. Research fruit make known,the apparatus developed for cathode protection on the basis of the zero current switch converter are of low switch loss ,high output capacity and efficiency.

关 键 词：特种电源 零电流开关 功率变换器 外特性 特种电源 阴极防腐 功率变换器 油气集输管线 外特性曲线 低开关损耗 防腐保护 工作原理 频率控制 

分 类 号：TN624[电子电信—电路与系统] TU851[建筑科学]