[Hallb-engineering] DynaPower Box Supplies
segal at jlab.org
Wed Jan 12 14:15:56 EST 2011
Danfysik spun off the transducer portion of their business. You still
go through GMW for it, though.
Bill Merz wrote:
> If the problem is that you need a replacement transductor head or
> electronics you should be able to purchase something from Danfysik as
> a drop in as long as the "Current signal" is compatible with the
> Dynapower regulator. You would need to buy a complete
> system...transductor head and electronics, but it should just work
> fine. Hitek also makes a precision transductor which may also work if
> you need 10PPM type of performance.
> On 1/12/2011 2:00 PM, Krister Bruhwel wrote:
>> I had a ZFCT chassis fail in November of 2010 on one of our Moeller
>> Power Supplies (8000A 40V). As our spare needed a mounting bracket
>> that wasn't included, I robbed the chassis from an unused supply (the
>> downstream Moeller because we are running TPE) . Upon asking
>> DynaPower for repair/replacement, I was met with some ambiguity and
>> they would look into the problem. Today I talked with Peter Abele,
>> the Senior Sales Engineer, and his message was that they are still in
>> the power supply business but they can no longer repair or
>> manufacture the ZFCT chassis' or heads. He will work with us on a
>> long term solution of trying to retrofit something (undefined as of
>> yet) or using shunts if the accuracy is sufficient.
>> This message may impact anyone that needs to support a box supply
>> from DynaPower. At present Hall B does not have a spare ZFCT
>> chassis. After I get a bracket made, I will need to test the unused
>> spare, to ensure we can use both Moellers for upcoming experiments.
>> If anyone has a ZFCT chassis that I can use as a spare, please let me
>> know. If anyone knows of options that we can utilize in the short
>> or long term, please let me know. Its important for Hall B to
>> understand that this may affect experiments in the future as we have
>> no spares at present.
>> These supplies are to be used through the 12GeV upgrade and a long
>> range solution is needed.
>> I will advise as more details become relevant, and please forward
>> this message to concerned parties.
>> Krister Bruhwel
Hall A Instrumentation, Controls and
Detectors (ICD) Coordinator
Thomas Jefferson National Accelerator Facility
12000 Jefferson Avenue
Newport News, VA 23606-4323
Phone: (757) 269-7242
Cell: (757) 320-9977
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