摘要
传统备用电源自投装置采用老式继电器逻辑组合,具有二次接线复杂、功能僵化等缺点,尤其在变电站一次系统运行方式发生改变时,容易造成误动作。基于中海化学二期110kV变电站电源备自投装置,利用微机技术的应用实践对一种新型微机备用电源自投装置设计方案及逻辑框图进行了分析,此备自投装置通过软件对不同主接线方式自动进行模式识别,可改善供电运行方式的灵活性,提高供电的安全性、可靠性。
Traditional back-up power automatic device is composed of the old type relay with complex secondary wires and restricted function. Especially when the operation mode of the power supply system is changed, the device is possibly to run incorrectly.ln this article, a new micro-computer back-up power device is mainly introduced and its designing solution and logics are analyzed on base of application and practice in CNOOC fertilizer plant llOkV substation. The new device can realize the running mode automatically by intelligence of the software which improving flexibility of running mode, safety and reliability of power supply system.
出处
《电气应用》
北大核心
2008年第2期53-58,共6页
Electrotechnical Application
