Conveners
Parallel Session B4 - Power, Grounding and Shielding
- Philippe Farthouat (CERN)
Parallel Session B4 - Power, Grounding and Shielding
- Allain Godinec (CERN)
Dr
Satish Dhawan
(Yale University)
23/09/2009, 15:00
Power, grounding and shielding
Oral
Previous tests have shown that Enpirion EN5360, a 6 amp device is capable of taking sLHC radiation dosage but the input voltage is limited to a maximum of 5.5V. But from a systems point of view it is essential to have a factor of 10 in input/out voltage ratio in single stage i.e. maximum input voltage be >12 Volts.
The silicon foundry that made this device can now make 12 V FETS on the same...
Mr
Stefano Michelis
(CERN)
23/09/2009, 15:25
Power, grounding and shielding
Oral
In the context of a new power distribution scheme for SHLC tracker based on switching DC/DC converter, we are developing a custom converter able to work in the high radiation and high magnetic field environment of the experiments. Two new ASIC prototypes, in two different technologies, have been designed and manufactured. Design techniques, functional and radiation tests of the prototypes will...
Dr
Katja Klein
(I. Physikalisches Institut (B))
23/09/2009, 16:15
Power, grounding and shielding
Oral
The distribution of power to the CMS tracker upgrade at SLHC is challenging, as the power consumption is expected to be similar as or higher than today, while the operating voltage will decrease and the cables must remain the same.
The CMS tracker has adopted parallel powering with DC-DC conversion as baseline solution to the powering problem.
The current status of the implementation of...
Mr
Georges Blanchot
(CERN)
23/09/2009, 16:40
Power, grounding and shielding
Oral
The upgrade of the trackers at the sLHC experiments requires implementing new powering schemes that will provide an increased power density with reduced losses and material budget. A scheme based on buck and switched capacitors DC to DC converters has been proposed as an optimal solution. The buck converter is based on a power ASIC, connected to a custom made air core inductor. The arrangement...
Tomas Tic
(RAL/ASCR)
23/09/2009, 17:05
Power, grounding and shielding
Oral
Serial powering is an elegant solution to power the SLHC inner trackers with a minimum volume of cables. So far R&D on serial powering for silicon strip modules was based on discrete commercial electronics. With the delivery of the first iteration of the ABCN-25 readout chip and the SPi serial powering interface chip, custom elements of shunt regulators and transistors became available. The...
Mr
Mario Sedita
(INFN-LNS)
23/09/2009, 17:30
Power, grounding and shielding
Oral
The KM3NeT EU-funded consortium, pursuing a cubic kilometre scale neutrino telescope in the Mediterranean sea, is developing technical solutions for the construction of this challenging project, to be realized several kilometres below the sea level.
In this framework a proposed DC/DC power system has been designed, maximizing reliability and minimizing difficulties and expensive underwater...
