The RFX toroidal field winding design
The RFX toroidal field winding design
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DOI：
10.1109/20.11463
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发表时间：
1988-03
影响因子：
2.1
通讯作者：
F. Bellina;M. Guarnieri;A. Stella
中科院分区：
文献类型：
--
作者：
F. Bellina;M. Guarnieri;A. Stella
RFX环向场绕组由48个线圈组成，可以根据等离子体操作所需的环向场编程以多种串联/并联配置连接。为了便于维护，每个线圈由两个相同的半线圈组成，连接在机器的赤道面。为了对准，半线圈被放置在铝壳中加工的凹槽中，铝壳也具有承受由电流和极向场之间的相互作用引起的倾覆力矩的功能。线圈周围设有不锈钢夹持带，以承受线圈的电磁膨胀力并将线圈保持在凹槽中。半线圈的热膨胀由于放置在线圈表面上的低摩擦材料的薄层而沿着凹槽自由地发生。连接半线圈的导体的可拆卸接头被设计成允许热膨胀。两个基本的替代解决方案考虑电接触进行了讨论：第一个基于多触点插入式系统，第二个螺栓连接。>
The RFX toroidal field winding consists of 48 coils, which can be connected in many series/parallel configurations according to the toroidal field programming required for plasma operation. For ease of maintenance each coil consists of two identical half-coils connected at the equatorial plane of the machine. To be in alignment, the half coils are placed into grooves machined in an aluminum shell, which also has the function of withstanding the overturning moment caused by to the interaction between the current and the poloidal field. Stainless-steel clamping belts are provided around the coils to withstand their electromagnetic expansion forces and to keep them in the grooves. Thermal expansion of the half coils takes place freely along the grooves, due to thin layers of low-friction material placed on the coil surfaces. The demountable joints which connect the conductors of the half coils are designed to allow thermal expansion. Two basic alternative solutions considered for the electric contacts are discussed: the first based on a multicontact plug-in system, the second on bolted joints. >