This paper describes the principle of the knowledge base of insulation diagnosis of power transformer with object Orient technology.
叙述了面向对象技术构造电力变压器绝缘诊断知识库的原理。
The thesis presents the principle of VSCF wind Power. In this thesis, we adopt the vector control strategy of stator field-orient and gain a vector control system model of double-feedback generator.
介绍了变速恒频风力发电的基本原理，并采用定子磁链定向的矢量控制方法得到了双馈发电机的矢量控制系统模型。
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