IEC61131-3编程法在微机保护中的应用

Application of IEC61131-3 Standard Schematic Program in Motor Computer Security

分析了目前传统微机保护软件编程中存在的一些问题,提出了基于IEC61131-3国际标准的PLC编程思想应用于电动机微机保护软件的开发。使得软件设计具有很大的灵活性,易于满足用户需求,有效地降低了软件开发的工作量和维护量,从开发手段上保证了保护装置的可靠性。

This paper analyzes sanle problems in traditional computer security software and puts forward the PLC program thinking to develop advancing motor security software based on the IEC61131 -3 international standard. It makes the software design have flexibility and easy to satisfy the users＇ needs. At the same time, it reduces the work load and maintenance of the software develooment effectivelyand ensures the reliability of the protector on development measure.