[Lerftest] LERF Update - Magnetron commissioning has begun!

Robert Rimmer rarimmer at jlab.org
Wed Dec 15 12:52:25 EST 2021

awesome, thanks Kevin!

From: Kevin Jordan <jordan at jlab.org>
Sent: Wednesday, December 15, 2021 12:49 PM
To: isotope-prod at jlab.org <isotope-prod at jlab.org>; LCLS II @ LERF <lerftest at jlab.org>
Cc: Robert Rimmer <rarimmer at jlab.org>; Haipeng Wang <haipeng at jlab.org>; Bonnie Rodriguez <bonnie at jlab.org>; Phillip Stanley <pstanley at jlab.org>; Tim Fitzgerald <tfitzger at jlab.org>
Subject: 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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