Published June 1989 | Version v1
Report Metadata-only

Design of the protection crowbar for the LHCD klystrons in Jet

Creators

  • 1. Commission of the European Communities Abingdon, (UK). JET Joint Undertaking
  • 2. SIEMENS A.G. Erlangen (Germany, F.R.)

Description

The JET Lower Hybrid Current Drive Generator (LHCD) will consist of 24 Klystrons. The system is expected to be fully operational in 1990. It will be composed of six modules of four klystrons each and of two klystrons for the testing of the LHCD component. Two klystron modules will be ready for operation with the JET machine in early 1989. In order to protect the klystrons in case of arcing or overvoltage, crowbars near the klystrons are foreseen. For this purpose ignitrons as opposed to thyristors were chosen. The design of the crowbar for the LHCD takes into account the past experience obtained from operation of the Neutral Beam protection crowbars and follows a different approach for the ignitron triggering and the anode/cathode temperature control

Part of:
Jet Joint Undertaking. Vol. 2

Additional details

Publishing Information

Imprint Title
Jet Joint Undertaking. Vol. 2
Imprint Pagination
648 p.
Journal Page Range
p. A360-A364.
Report number
EUR--12323

Conference

Title
15. Symposium on Fusion Technology (SOFT).
Dates
19-23 Sep 1988.
Place
Utrecht (Netherlands).

INIS

Country of Publication
European Commission (EC), Brussels (Belgium)
Country of Input or Organization
European Commission (EC), Brussels (Belgium)
INIS RN
22011047
Subject category
S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
DIAGRAMS; IGNITRONS; JET TOKAMAK; KLYSTRONS; LOWER HYBRID HEATING; PERFORMANCE TESTING; PLASMA PRODUCTION; SWITCHING CIRCUITS; THYRISTORS; TRIGGER CIRCUITS
Descriptors DEC
CLOSED PLASMA DEVICES; ELECTRICAL EQUIPMENT; ELECTRON TUBES; ELECTRONIC CIRCUITS; ELECTRONIC EQUIPMENT; EQUIPMENT; GAS DISCHARGE TUBES; HEATING; HIGH-FREQUENCY HEATING; INFORMATION; MICROWAVE EQUIPMENT; MICROWAVE TUBES; PLASMA HEATING; PULSE CIRCUITS; RECTIFIER TUBES; RECTIFIERS; SEMICONDUCTOR DEVICES; TESTING; THERMONUCLEAR DEVICES; TOKAMAK DEVICES

Optional Information

Secondary number(s)
EUR-JET-PR--6.