Abstract: “Different aspects of reactive power regulation problem in wind farms are presented in this paper. In the first part some background of the reactive power control in Wind Park is presented, including motivations for its use and methods that can be used. In general, there are active (wind generator, compensator) and passive methods (L, C) of reactive power compensation. The wind park model ( the model of doubly fed induction generator (DFIG) based wind turbines, crowbar circuit, battery storage system, transformers, cable lines between wind farm and PCC, control system) has been shown in the proposed methods. In wind farm the crowbar protection, changes from reactive power source to reactive power load with the rise of low voltage and then burden of fault power system is aggravated. In order to solve the problem a new strategy is formed where a new real time coordinate control system (RTCCS) is built. Based on reactive power compensator the STATCOM synchronizes with wind power system and”

Keywords: DFIG; Crowbar; Fault operation; Reactive power Coordinated control; RTCCS.