Energy-saving optimization method and optimization system for electric precipitation system of thermal power generating unit

The invention discloses an energy-saving optimization method and optimization system for an electric precipitation system of a thermal power generating unit, and solves the problems that only operation characteristic parameter data of a unit boiler and a coal mill are considered when a coal quality neural network mathematical model is constructed in the conventional optimization method, and real-time dust parameters during load operation of the thermal power generating unit are not introduced; the method comprises the steps of obtaining a thermal power generating unit operation three-dimensional diagram based on a thermal power generating unit database, and deploying dust removal monitoring points through the thermal power generating unit operation three-dimensional diagram; an electric precipitation optimization model is constructed, and the electric precipitation optimization model calculates the load weight and the dust removal load rate of the dust removal monitoring points; according to the method, the e