The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Application of MAX197 in Amplitude and Phase Protective Leakage Protector
Author(s): 
Pages: 45-47,55
Year: Issue:  1
Journal: ELECTRIC SWITCHGEAR

Keyword:  MAX197保护死区鉴幅鉴相式漏电保护器C语言;
Abstract: 针对现场使用的零序功率方向漏电保护器[1-3]出现保护死区,提出了解决方案-鉴相的同时加入鉴幅电路,即鉴幅鉴相式保护器.由于在保护死区零序电压与零序电流均很小,采样芯片要求精度高.其中12位的MAX197是性能比较优越的一款,接口简单,转换速度快,操作容易,精度能满足保护器精度要求.在分析MAX197结构、特点和工作原理的基础上,讲述了MAX197在鉴幅鉴相式漏电保护器中的应用,并编写了MAX197与保护器中单片机之间的通信程序,从而解决了零序功率方向保护器保护死区的问题.
Related Articles
No related articles found