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This paper analyzes compositions and functions of coordination control system in ultra supercritical power generation unit. The control strategies of core components in the system have been elaborated and its favorable application effects have also been shown. In doing so, unit’s safe economical operation is not only realized, but also the requirements of frequency regulation and peak load of power grid is satisfied.

A hybrid model is proposed which is a combination of MLRM (Multiple Linear Regression Model) and GM (Gray Prediction Model). The paper conducts a line loss rate forecast of the grid, and develops a kind of forecasting software for the line loss managers of grid enterprises to realize the analysis and forecast of factors which impact the daily loss line rate. Finally, do simulation examples with line loss rate data of a city using the software. The results demonstrate that the models selected in the software have good feasibility in line loss rate forecasting, and can overcome the adverse effects of factors on the model, improve the accuracy of prediction and provide the basis for the scientific and reasonable loss reduction plan.