The working principle of saturated core superconducting fault current limiter (SCFCL) is analyzed and its electromagnetic constraint relation under normal operation is given.
分析了饱和铁心超导限流器的工作原理，给出了其正常工作的电磁约束关系。
The paper once again deals with the mobility analysis methodology of mechanisms based on constraint screw principle.
再次论述基于约束螺旋原理的机构的自由度分析方法。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
应用虚位移原理和结合考虑材料交界面上的约束条件，文章建立了接触单元的刚度矩阵和等效荷载向量。
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