The high-power (3-MW) long-pulse (3-s) radio-frequency system for ion cyclotron resonance heating experiments on TEXTOR

Journal Article · Sun Nov 01 00:00:00 EST 1987 · Fusion Technol.; (United States)

OSTI ID:6986043

Van Oost, G; Bhatnagar, V P; Delvigne, T; Descamps, P; Vandenplas, P E; Vanderstraeten, A; Van Nieuwenhove, R; Van Wassenhove, G; Weynants, R R; Kohlhaas, W

A multimegajoule ion cyclotron resonance heating (ICRH) experiment was installed on the Torus Experiment for Technology-Oriented Research (TEXTOR) tokamak. The system consists of two independent power lines each designed to generate and launch 1.5 MW of radio-frequency (rf) power into the machine during a 3-s period in the 25- to 29-MHz frequency range. Each power line consists of the following items: a 1.5-MW transmitter, a transmission line system, and an interface linking the transmission line to the antenna of the shielded strip-line type placed along the tokamak's hot liner. Details of the line and antenna diagnostics and data acquisition system together with the subsequent impedance characteristic calculations are given. The rf radiation shielding for the ICRH experiment is explained. The control of the rf setup as a TEXTOR sub-system and the generator pulse control and operation modes are outlined. The antenna loading and power limitation in the presence of plasma and the conditioning procedure are discussed. Finally, the new rf system compatible with the toroidal pump limiter Advanced Limiter Test-II is presented.

• Research Organization: Lab. of Plasma Physics, Ecole Royale Militaire-Koninklijke Militaire School, B 1040 Brussels (BE)
• OSTI ID: 6986043
• Journal Information: Fusion Technol.; (United States), Vol. 12:3
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ICR HEATING
EXPERIMENTAL DATA
RF SYSTEMS
PERFORMANCE TESTING
TEXTOR TOKAMAK
POWER SUPPLIES
CONTROL SYSTEMS
DATA ACQUISITION
ION CYCLOTRON RESONANCE SPECTROSCOPY
CLOSED PLASMA DEVICES
DATA
ELECTRONIC EQUIPMENT
EQUIPMENT
HEATING
HIGH-FREQUENCY HEATING
INFORMATION
ION SPECTROSCOPY
NUMERICAL DATA
PLASMA HEATING
SPECTROSCOPY
TESTING
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
700203* - Fusion Power Plant Technology- Power Supplies
Energy Storage