ADVANCED TOKAMAK OPERATION USING THE DIII-D PLASMA CONTROL SYSTEM
A271 ADVANCED TOKAMAK OPERATION USING THE DIII-D PLASMA CONTROL SYSTEM. The principal focus of experimental operations in the DIII-D tokamak is the advanced tokamak (AT) regime to achieve, which requires highly integrated and flexible plasma control. In a high performance advanced tokamak, accurate regulation of the plasma boundary, internal profiles, pumping, fueling, and heating must be well coordinated with MHD control action to stabilize such instabilities as tearing modes and resistive wall modes. Sophisticated monitors of the operational regime must provide detection of off-normal conditions and trigger appropriate safety responses with acceptable levels of reliability. Many of these capabilities are presently implemented in the DIII-D plasma control system (PCS), and are now in frequent or routine operational use. The present work describes recent development, implementation, and operational experience with AT regime control elements for equilibrium control, MHD suppression, and off-normal event detection and response.
- Research Organization:
- General Atomics, San Diego, CA (United States)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- AC03-99ER54463
- OSTI ID:
- 814026
- Resource Relation:
- Conference: THIS IS A PREPRINT OF A PAPER TO BE PRESENTED AT THE 22ND SYMPOSIUM ON FUSION TECHNOLOGY, HELSINKI (FI), 09/09/2002--09/13/2002; Other Information: PBD: 1 Oct 2002
- Country of Publication:
- United States
- Language:
- English
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