Helical winding is a method of wrapping conducting or superconducting wire around a core in a spiral configuration, which is essential in creating magnetic fields for devices like stellarators. This winding technique helps optimize magnetic confinement in fusion reactors by providing a twisted magnetic field structure, crucial for stable plasma confinement and minimizing instabilities. The helical shape also allows for a continuous flow of current, enhancing the efficiency of magnetic confinement systems.
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