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功率闭环改造对水电机组性能的影响
引用本文:蒋琦.功率闭环改造对水电机组性能的影响[J].贵州电力技术,2014(4):24-27.
作者姓名:蒋琦
作者单位:贵州黔源北盘江董箐发电厂,贵州贞丰562200
摘    要:机组功率闭环系统中的调速器在“开度调节”模式下运行时,负荷调节稳定性及AGC调节速率达不到电网要求。调速器改为“功率调节”模式后,机组增减负荷比“开度调节”模式更加稳定,功率实发值与功率给定值相差较小,AGC调节速率也能满足电网要求。

关 键 词:功率调节  开度调节  PID调节  超调量  AGC系统

Influence of the power closed loop reformation on the hydroelectric machine characteristic
Jiang Qi.Influence of the power closed loop reformation on the hydroelectric machine characteristic[J].Guizhou Electric Power Technology,2014(4):24-27.
Authors:Jiang Qi
Affiliation:Jiang Qi (Panjiang power plant,Zhenfeng 562200 Guizhou, China)
Abstract:On the opening regulation of the governor in power closed-loop system, the load regulation stability and AGC regulation speed could not attain the requirement of power grid. After changing to the power regulation mode, the load was more stable than on the opening regulation mode, in which the actual output had smaller error with the setting value and the AGC regulation speed could satisfy the requirement of power grid.
Keywords:power regulation  opening regulation  PID regulation  overshoot  AGC system
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