[Lerftest] LERF Update - Magnetron commissioning has begun!

Steve Benson felman at jlab.org
Wed Dec 15 13:00:04 EST 2021


Progress! Congratulations!

Stephen Benson

From: Lerftest <lerftest-bounces at jlab.org> on behalf of Kevin Jordan <jordan at jlab.org>
Date: Wednesday, December 15, 2021 at 12:49 PM
To: "isotope-prod at jlab.org" <isotope-prod at jlab.org>, "LCLS II @ LERF" <lerftest at jlab.org>
Cc: Phillip Stanley <pstanley at jlab.org>, Haipeng Wang <haipeng at jlab.org>, Tim Fitzgerald <tfitzger at jlab.org>, Robert Rimmer <rarimmer at jlab.org>, Bonnie Rodriguez <bonnie at jlab.org>
Subject: [Lerftest] LERF Update - Magnetron commissioning has begun!

The magnetron commissioning OSP is signed off, we had a walk through with Harry Fanning, Phillip Stanley, Bonnie Rodriguez, Billy Formichelli, Charlie Garrison, & myself. The locks were removed & breakers energized to the transmitter cabinet. The two 480 VAC breakers on the transmitter are both remote lever/cable actuated so, per procedure, there are no arc flash hazards when turning these levers ON/OFF as long as the main cabinet door is closed. Three of the four AVTs have been tested - the fourth is for the 480 VAC supply to the high voltage transmitter transformer & will be tested when all interlocks are satisfied. Next steps are to fill the cooling water circuits & test interlocks - if all goes well we should make some RF next week.
Thanks all for the support!

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