Transcript RF system: power source, distribution

MICE at
RF system: power source,
Ambitious title!
distribution
Paul Drumm
RAL
Paul Drumm
9 Feb 2004
RF Baseline Design
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RF Power Design driven by cost issues (no one has the funds)
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2 Amplifiers from LBNL = 4 MW total
1 or 2 Amplifiers from CERN = 4 MW total (next week?)
– If 1 amplifier – needs a bigger drive?
Spare TH116 Tubes from ISIS
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Split or more amplifiers?
– Hybrid device
• no satisfactory progress
• ok average but not peak power
• need to provide gas insulation (pk voltage > avg. voltage)
– Assume that we do R&D (trials) when we have the equipment
• Need both cavities and one amplifier circuit
• Test out a hybrid circuit driving two cavities
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Fall back is to provide one amplifier chain per cavity
Paul Drumm
03 Mar 2004
Progress since…
• December LBNL
– Discussed shipping equipment to RAL
– Two 2MW power amplifier circuits
– Three (300kW) driver circuits
– 4616 test stand
– LBNL loan – to be written off (eventually)
Paul Drumm
03 Mar 2004
… December
• At LBNL
– Stripping down for transport
– Cleaning
– Packing
• At RAL
– Point of contact ?
Paul Drumm
03 Mar 2004
Staff…
• Roy Church
– Used up quota of days
– No Roy till April
• RF group at the Daresbury SRS
ASTeC
– Mike Dykes (group leader)
– Andy Moss (senior RF Engineer)
– plus two more
– MD & AM will be at the col’ab. mtg
Paul Drumm
03 Mar 2004
Plan for late 2004
• Limited funds
– Berkeley RF system to DL
– Strip down and make a technical
assessment of the equipment
• Cost to refurbish
• Confirm equipment is serviceable
– 6 month overlap with Roy
• Review RF design in the light of
CERN RF proposal
Paul Drumm
03 Mar 2004
For next FY
• Setting up a test-stand at DL
– Hall and facilities available
– Need to have got through GW2
• i.e. be in full funding mode
Paul Drumm
03 Mar 2004
Power Amp
Paul Drumm
03 Mar 2004
4616 Test box
Paul Drumm
03 Mar 2004
300 kW Driver Amplifier
Paul Drumm
03 Mar 2004