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Re: NEW from Danfysik power supply is tested (fwd)
Great! Curtis
n Tuesday 18 March 2003 05:22 pm, Elton Smith wrote:
> ---------- Forwarded message ----------
> Date: Tue, 18 Mar 2003 16:32:20 -0500
> From: Paul Brindza <brindza@jlab.org>
> To: Rolf Ent <ent@jlab.org>, kellner <kellner@jlab.org>, vulcan@jlab.org,
> Steven Lassiter <lassiter@jlab.org>, Elton Smith <elton@jlab.org>,
> John Cameron <cameron@iucf.indiana.edu>,
> dennis Friesel <friesel@iucf.indiana.edu>,
> Alex Dzierba <dzierba@indiana.edu>, cardman@jlab.org,
> Lars Kruse <lk@danfysik.dk>, Erik Steinmann <es@danfysik.dk>,
> Alexander Elkjaer <pae@danfysik.dk>, swanick@jlab.org
> Subject: NEW from Danfysik power supply is tested
>
> Gentlemen
>
> The first of the two Danfysik power supplies has been tested finishing
> today.
> We ran a lot of tests at many excitation levels up to a maximum of 1800
> amps into the HMS dipole without incident and verified all
> properties.All systems including excellent ramp/down control, very
> stable, controls , interlocks, current readbacks , fast dump and
> polarity switch work great. The output is completely noise free
> including at start/stop of ramp up/down.
> Performance was excellent.
> Only some minor field mods were performed.
> Both power suppies received the mods simultaneously to save time.
>
> The schedule for power supply substitution tomorrow Wednesday March 19th
> is Good.
>
> Please make appropriate arrangements to do the swap.
> As of now we are completely finished with the first power supply.
>
> This power supply just tested will go eventually to IUCF to be
> integrated with the new/old Solenoid.
>
> The second power supply will be left in place after testing for
> continued use starting April 6th
> as the primary HMS Dipole power supply.
>
> Thank you all for your help
>
> Paul
--
Professor Curtis A. Meyer Department of Physics
Phone: (412) 268-2745 Carnegie Mellon University
Fax: (412) 681-0648 Pittsburgh PA 15213-3890
cmeyer@ernest.phys.cmu.edu http://www.curtismeyer.com/