Resonance magnetic disturbance coil suitable for magnetic confinement fusion device and implementation method

Abstract

The invention discloses a novel resonance magnetic disturbance coil suitable for a magnetic confinement fusion device. Two groups of coils are uniformly distributed in the circumferential direction, and each group of coils is positioned on the middle plane of a low field side. Each group of coils comprises two closed loops, a circuit in each closed loop is provided with a plurality of turns of coils which are symmetrical up and down, and a plurality of current interfaces are arranged. A flexible connection mode is achieved, and disturbance magnetic fields of different spectrum types can be generated after the coils are powered on. The coils adopt a hollow water-cooling pipeline design, and can stably work for a long time under the condition of large current. According to the invention, theprinciple of an external magnetic disturbance control boundary local mode is utilized, and a local disturbance magnetic field with high polar modulus and wide circumferential modulus spectral patterncharacteristics and enough strength is generated through the coils, so that the disturbance of the coils to core plasma is reduced, the active control of the resonance magnetic disturbance coil is effectively broadened, and the working window of a boundary local mode is suppressed. The device can work on a magnetic confinement nuclear fusion device, is simple in structure, easy to install, smallin occupied space and reliable in performance, and is an important scheme for enriching boundary local mode control.

Description

technical field [0001] The invention relates to the field of magnetic confinement plasma, in particular to a resonant magnetic disturbance coil suitable for a magnetic confinement fusion device and a realization method. Background technique [0002] The reaction raw materials of controlled nuclear fusion are mainly deuterium and tritium, which are abundant in nature. The reaction products are non-polluting and radioactive, and the reaction safety is high. Therefore, controlled nuclear fusion is considered to be the perfect solution for future human energy development. In the current research, magnetic confinement fusion is the most promising way to realize the utilization of fusion energy. [0003] At present, the main magnetic confinement fusion devices in the world include stellarator and tokmak. A tokamak device operating in a high-constraint mode will generate a strong magnetic fluid instability at the boundary, that is, the boundary localized mode (ELM), which will cau...

AI Technical Summary

Problems solved by technology

[0007] The technology of the present invention solves the problem: to overcome the shortcomings of existing resonant magnetic disturbance coils that occupy a large space, limited working window, and single plasma disturbance mode, and provide a new type of resonant magnetic disturbance coil suitable for magnetic confinement fusion devices, which can broaden the current There is a working window of the resonant magnetic disturbance coil, with multiple disturbance modes, and the disturbance to the core plasma is smaller, and the space occupied is smaller, providing a new means for controlling the boundary local mode and improving the boundary transport of the boundary plasma

Images