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Transcript
UF-PNPI HV system
upgrade
 Part 1. HV System migration to USB interface
 Part 2. HV System proposal of Stage 2
Presented by
N. Bondar.
CERN
3.9.2010
1
Migration PNPI HV-system to USB interface
2 units of USB interface assembled and ready for testing
5 channel
interface for
C-Side
5 channel
interface for
A-Side
USB connectors
Back plane
A-Side output connectors
C-Side output connectors
03.09.10
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
2
Migration PNPI HV-system to USB interface
SW status:
1. HVServer is in progress:
New features:
- soft trip
- automatic recovering in simple cases
- log file with alarms, trips, etc. will be created by server
2. Test and Calibration SW (LAB) is under developing:
- accuracy of current calibration will be improved
- some bugs in voltage sensors calibration are fixed
- test SW will be unified in according of our present conditions
3. Calibration in situ --- in the list of jobs to be done.
4. PVSS part – still under discussion.
- the primary power supplies control has to be implemented in PVSS.
03.09.10
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
3
UF-PNPI HV system. Stage 2 proposal
Current status of the HV system connection and needs
56 RDB installed on the detector.
Total outputs (1 output = 4 HV channels)– 504
Used – 480 outputs
Spare – 24 outputs
Directly connected to chambers – 320 outputs
Connected via splitter x4 – 160 = 640 outputs
Total chambers connected – 960
Need to replace – 640-160-24=480 outputs 1 51 RDB
Unfortunately we need to spread all RDB for 8 places
So minimum number per position 7 RDB
Total we need to install – 56 RDB
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
4
UF-PNPI HV system. Stage 2 proposal

To complete HV system we need install more:
- 56 RDB
- 8 Master Boards (MB)
 We have spare:
- 10 RDB + 1RDB without regulators.
- 2 Master Boards
(Assume that it is enough as a 10% of 110 RDB and 16 MB)

To have ~10% of spare RDB and MB plus 10% of spare regulators
we need to produce in total:
- 56 RDB + 400 spare regulators
- 8 MB + 16 spare regulators

We need replace LV power supply to feed more RDB
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
5
UF-PNPI HV system. Stage 2 proposal
Comments for price estimation
•
•
•
•
Assume that production of the modules will be at PNP
System assembly and initial test will be in PNPI
Final test and installation – in CERN
All prices for components are based on the previous experience, so
it is not final and used for estimation.
• The total number of components is about the same as in the first
stage, so the price should be almost the same
• Some money needs for shipping/receiving it is not included
6
UF-PNPI HV system. Stage 2 proposal
Price estimation:
•
•
•
•
•
•
•
N
1
2
3
4
5
6
Components
Discrete Elements
Integrated Circuits
Connectors* and Cables
Printed Circuit Boards
Mechanical Parts
Chemicals and Miscellaneous
Price, KCHF
43.8
19.9
13.5
19.5 **
6.7
4.4
In Total for components
7
8
Assembling, testing
Final test, calibration, installation
107.8
~ 100
??
PNPI
in CERN
* - output HV connectors already on shelf
** - Price based on the Russian production price
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
7
UF-PNPI HV system. Stage 2 proposal
Estimated production time:
Procedure
•
•
•
•
•
•
•
•
•
•
•
•
•
relative time (month)
1 2 3 4
5 6
7
8
9
10
Procurement and purchase
of components
Printed Boards correction
Mother Boards production
Regulator Boards production
Mother Boards stuffing
Regulator Boards stuffing
Mother Boards test
Regulator Board test
RDB assemble
RDB test
MB assemble
MB test
Packing and shipping
Oleg Maev, Nikolay Bondar and
Mikhail Korolev
8