基于复合波响应的压敏电阻状态检测研究  

Study on Condition Detection for the Varistor Based on the Response to Combination Wave

作　　者：寇晓■ 李梅[1] 孙宏伟[1] 袁健华[1] 李彦明[1] 

机构地区：[1]西安交通大学电气工程学院,陕西西安710049

出　　处：《高压电器》2004年第2期91-93,97,共4页High Voltage Apparatus

摘　　要：为了维护低压电源系统及信息系统的可靠运行,需要对用于电涌防护的压敏电阻进行及时有效的状态检测。笔者对不同故障状态的压敏电阻的复合波响应进行了试验研究,结果表明,不同故障状态的压敏电阻由于伏安特性的差异将呈现不同的复合波响应特征,利用其响应特征可以判别压敏电阻是否存在故障及具体故障类型。In order to maintain operational reliability of low-voltage supply system and information system, it is very important to detect the varistor's condition timely and effectively. In this paper, several types of failure modes of varistor are concerned. According to the research of varistor's response to combination wave, it shows that the responses vary with the varistor's failure modes because of the difference in V-A characteristic. Based on the response, the kind of failure modes of varistor could be determined.

关 键 词：复合波响应 压敏电阻 状态检测 电涌防护器件 过电压保护 

分 类 号：TN37[电子电信—物理电子学]