基于可编程控制器的自动准同期设备的应用研究  

The Application and Researc of Automatic Quasi-Synchronizing Deveice Based on Programmable Logic Controller

作　　者：刘国敏[1] 徐方明[1] 相海明[1] 戚菲[1] 

机构地区：[1]国网电力科学研究院/南京南瑞集团公司,江苏省南京市210003

出　　处：《水电自动化与大坝监测》2013年第3期24-26,共3页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：在电力系统中,同期并列操作是发电厂频繁的一项重要操作,其对系统的安全可靠、稳定运行具有重要的作用。为进一步提高电力系统并列操作技术,研制了一种基于可编程技术的PLC自动准同期设备,它具有硬件结构简单、性能可靠、测量精度高、运算速度快等特点,并配置了PID非线性积分控制策略,能快速、准确地实现发电机并网。文中主要介绍PLC自动准同期设备的设计原理、硬软件设计及特点。In the power system,parallel operation is an important operation that frequently used in the power plants.It plays an important role in the safe and reliable,and stable operation of the system.In order to develop the parallel operations technique of power system,the author developed a PLC automatic quasi-synchronizing deveice based on the technology of programmable.It has simple hardware structure,reliable performance,high measurement precision,fast computing speed,and configure the control strategy of PID nonlinear integral.The device can quickly and accurately realize generator interconnection.This paper mainly introduces the design principle,hardware and software design and characteristics of PLC automatic quasi-synchronizing deveice.

关 键 词：自动准同期 PID非线性积分 可编程 

分 类 号：TM621[电气工程—电力系统及自动化] TM76