PLC和变频调速在热电厂灰渣泵系统中的应用  

Apply of PLC and Frequency Conversion in the Ash Pulp System of Thermal Power Plant

作　　者：张凤泉[1] 

机构地区：[1]大庆油田电力集团宏伟热电厂,黑龙江大庆163411

出　　处：《制冷空调与电力机械》2011年第2期88-90,共3页Refrigeration Air Conditioning & Electric Power Machinery

摘　　要：宏伟热电厂采用PLC和变频器实现灰渣泵的自动控制,取得了显著的经济效益。介绍了用PLC单片机控制的变频调速恒液位控制系统,该系统能根据灰渣池内的液位高低来调整灰渣泵的转速,实现池内液位的恒定,达到自动控制和高效节能的目的。Hongwei thermal power plant realized the ash pulp pump＇s automatic control with PLC and the frequency conversion,obtained the remarkable economic efficiency.The text introduced the permanent fluid position control system which controled the frequency conversion with the PLC.This system could adjust the ash pulp pump＇s rotational speed according to the ash slag basin fluid position height,realized the fluid position to be constant in the pond,achieveed the automatic control and the highly effective energy saving goal.

关 键 词：灰渣泵 变频器 节能 

分 类 号：TM621.7[电气工程—电力系统及自动化] TP214[自动化与计算机技术—检测技术与自动化装置]