New energy automobile optimal charging method considering three-phase load balance

The invention discloses a new energy automobile optimized charging method considering three-phase load balance, which solves the defects in the prior art, and comprises the following steps of: 1, initializing and collecting basic information of a new energy automobile; 2, establishing an inner-layer optimization model according to the basic information of the new energy automobile, wherein the inner-layer optimization model is a three-phase load balanced inner-layer optimization model; step 3, performing outer-layer load flow calculation on the inner-layer optimization model, taking the new energy automobile charging power obtained by the inner-layer optimization model as a known quantity, and calculating node voltage by using a three-phase forward-backward substitution method; 4, judging whether the node voltage is smaller than a preset value or not, if so, terminating iteration to obtain a final node voltage, and if not, adjusting the parameters in the step 3 and re-executing the step 3 until the node volta