主汽压力及调门流量特性对机组一次调频的影响与改进  

Influence on Primary Frequency of Units by Main Steam Pressure and Flow Characteristics of Governing Valve and Its Improvement

作　　者：郭挺[1] 晓雪 杨丽[1] 

机构地区：[1]内蒙古电力科学研究院,内蒙古呼和浩特010020 [2]内蒙古国电能源投资有限公司,内蒙古呼和浩特010020

出　　处：《内蒙古电力技术》2012年第2期91-93,共3页Inner Mongolia Electric Power

摘　　要：现场进行机组一次调频试验时,发现相同的负荷、不同的主汽压力引起的机组功率补偿值相差大,以及调门的实际流量特性对机组的一次调频功能有明显影响,提出了在一次调频的逻辑中加入抵消压力变化影响的功能、按照实际试验获得的数据对机组特性曲线进行修正等相应的解决办法。When doing primary frequency testing at site, problems ot power compensation value difference between the primary frequency regulation action under same check frequency with different main steam pressure, and significant influence to unit primary frequency modulation by actual flow characteristics of governing valve occur Function to offset the pressure change influence in primary corresponding solution for correction in accordance with the actual the unit curve have been recommended. frequency logic, and test data obtained on

关 键 词：主汽压力 调门流量特性 一次调频 网频 功率补偿值 

分 类 号：TM31[电气工程—电机]