新型多功能变压器在风电场的应用

New Type of Multifunctional Transformer Applied in Wind Farm

分析了目前风电场升压站变压器的现状,介绍了新型多功能主变的结构特点,利用新型主变中性点电阻柜将零序保护作为线路故障的主保护,迅速切除线路故障,保证其它风机和线路正常运行;利用新型主变的平衡绕组代替SVG的降压变,节约了投资成本;加装了在线智能监测装置,实现了主变的智能化管理,提高了风电场的安全性和经济性,具有较高的推广应用价值。

Analysis of the current status of wind power booster station transformer,this paper introduces the new type muhifunctional structure characteristics of the main transformer, using new type of main transformer neutral point resistance ark to zero sequence protection as the main line fault protection, quickly cut line fault, ensure the normal operation of other fan and routes;Using the new type of the balance of the main transformer winding instead of SVG step-down transformers, save the investment cost;Equipped with intelligent online monitoring device,the realization of the main transformer of intelligent management,improve the safety and economic behavior of the wind farm,it is of high popularization value.