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Heating and current drive studies were performed during the JET 1990/91 operation using two large systems capable of generating either fast waves in the ICRF (Ion Cyclotron Range of Frequencies) or slow waves at a frequency above the lower hybrid (LH) resonance. The maximum wave power coupled to the torus reached 22 MW for ICRH and 2.4 MW for LH. The new results obtained in 1991 concern the minority fast wave current drive regime, zero loop voltage operation with LHCD, high bootstrap current operation combined with high tau(E)/tau(EG) using ICRH (tau(EG) refers to the Goldston Aachen scaling) and synergistic effects between LHCD and ICRH. These results are reviewed and the remaining uncertainties in the use of these two RF systems for Next Step devices are discussed.

Additional information

Authors: JACQUINOT J, JET Joint Undertaking, Abingdon, Oxon. (GB);BURES M, JET Joint Undertaking, Abingdon, Oxon. (GB);JET TEAM, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(91)58 (1991) 29 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199210754 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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