Dear colleagues,
we're in the process of planning a nice and shiny new NMR center building here at TUM in Garching/Germany.
It is amazing to how many technical details you have to pay attention during the planning process ...
Here are two problems where I could need some help:
1. a (new?) state law seems to require that we install solar panels on every new university building ...
However, I am concerned that the strong DC currents generated in a 10/20/40/100 kW (?) installation
will generate magnetic fields interfering with our spectrometer's performance.
It was finally accepted that these panels cannot be installed on the spectrometer hall itself for this
reason, but the powers that be insist that they will then be placed on top of the adjacent lab/office
wing of the NMR center. I don't like that idea either, but am running out of arguments there.
2. We will get a larger UPS for buffering the NMR hall against power failures (which is nice, esp. for
our pumped magnets). But now the question arose: if you need to avoid DC sources nearby, what then
about the UPS - won't that create similar problems?
We do have UPS packs at our current installations, but they are much smaller, just designed to buffer
ONE spectrometer. The planned one will be on the order of 30-40 kVA - does anyone have experience
for siting such an installation "near" a spectrometer?
Thanks in advance for your help,
gg
--
PD Dr. Gerd Gemmecker
Bayerisches NMR-Zentrum
Dept. Chemie, TU München
Lichtenbergstr. 4
D-85747 Garching
Germany
Raum/Room 32 109
Tel. +49 (89) 289-13308
Fax +49 (89) 289-13869
e-mail: Gerd.Gemmecker_at_ch.tum.de
Internet: http://www.gemmecker.de
Received on Mon Nov 10 2014 - 05:54:55 MST