Method for improving reactive power regulation capability of energy storage converter in active power output mode

The invention belongs to the technical field of large-scale new energy grid-connected control, and particularly relates to a reactive power regulation capability improving method of an energy storage converter in an active power output mode. The method comprises the following steps: based on energy storage converter constant power control, establishing energy storage converter active power output prediction, and establishing a reactive power control model under the active power output prediction; and calculating the reactive power regulation capability of the energy storage converter in a constant power output mode according to the reactive power control model under the active power output prediction. And based on energy storage converter constant power factor control, energy storage converter active output prediction is established, energy storage converter constant power factor control is converted into energy storage converter constant power factor control based on energy storage converter constant power f