延伸技术 meaning in English

extended technology，xt

The extending techniques such as vector transform ， excitation inrush current , ta saturation and so on are analyzed , which resolves the question that the traditional optical differential protection can not satisfy the request of line - transformer unit
同时对光纤差动保护运用于线路变压器组时涉及的矢量变换、励磁涌流、 ta饱和等延伸技术进行了分析，解决了传统的线路光纤差动保护不能满足线路变压器组保护的要求。