Segmented double-track system comprehensive assessment and hierarchical description method for quality of electric energy

The invention discloses a segmented double-track system comprehensive assessment and hierarchical description method for the quality of electric energy, and belongs to the technical field of the quality of electric energy. The method comprises the following steps of: single index pretreatment, single index grade dividing, and the segmented double-track comprehensive assessment and hierarchical description. The invention also discloses a segmented double-track system comprehensive assessment and hierarchical visual display method for the quality of electric energy, and the hierarchical visual display method for the quality of electric energy is a cloud picture display method or a node display method. The invention comprises a segmented double-track system comprehensive assessment method for the quality of electric energy, which has a better engineering guiding significance. The segmented double-track system comprehensive assessment method for the quality of electric energy is provided with a hierarchical description method with the specific physical meaning and a visual display method with abundant and practical information, and can be applied to various aspects, such as regional large power grid electric energy monitoring and controlling systems, electricity market electric energy pricing mechanisms and electric energy trading platform construction.