Aiming at the influence of large-scale grid-connected wind power on the power system,the energy management strategy based on the demand-side response is applied to build a bi-level optimal dispatch model. In the upper / user level,the controllable load at user side is classified into four types according to its characteristics and operating performance and the minimum total electricity-purchase cost of four controllable load types is taken as the objective function. In the lower / management level,the minim...