The AGC unit sends signals to the generating units under its control to raise or lower load as required to correct frequency and tie-line loadings.
AGC控制单元送出信号至受其控制的发电机组，按标准频率和联络线负荷的要求来增大和减少负荷。 收藏。
2
The present paper takes "Guangzhou subway NO. 1 line homemade reform" as the research background. The design of central controlunit is realized in this paper.