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For the ITER project it is clear that steps have to be taken in order to avoid or mitigate type-I ELMs when operating in the standard H-mode scenario. Otherwise, divertor power loads induced by intrinsic ELMs will result in an intolerably short divertor life time. Amongst others, “magnetic triggering” based on a fast vertical movement of the plasma column has proven its ability to achieve ELM frequency...
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