Parameter optimization method and device for additional damping controller of controllable phase shifter

The invention discloses a parameter optimization method and device for an additional damping controller of a controllable phase shifter. The parameter optimization method comprises the following steps that: a power system model comprising the additional damping controller of the controllable phase shifter is established; control parameters of the additional damper controller are obtained, according to the control parameters, parameters under set performance requirements can be automatically optimized based on a multivariate universe optimization algorithm, initialization setting is conducted on the multivariate universe optimization algorithm, a preset number of universe individuals are generated, wherein all the universe individuals correspond to the control parameters of different numerical values; a first optimal objective function value in the universe individuals is calculated, and an optimal objective function value after iteration is obtained according to a preset number of iterations; and the control