stand test 3mev ab-po-ph mars 2007jean-pierre royer power converters ab-po-ph ( pulsed and high...
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![Page 1: STAND TEST 3MeV AB-PO-PH mars 2007Jean-Pierre ROYER POWER CONVERTERS AB-PO-PH ( Pulsed and High voltage converters) WHERE ARE WE ?](https://reader034.vdocuments.net/reader034/viewer/2022052618/551b7923550346167e8b4644/html5/thumbnails/1.jpg)
STAND TEST 3MeVSTAND TEST 3MeV
AB-PO-PH mars 2007 Jean-Pierre ROYER
POWER CONVERTERSPOWER CONVERTERS
AB-PO-PH ( Pulsed and High voltage converters)AB-PO-PH ( Pulsed and High voltage converters)
WHERE ARE WE ?WHERE ARE WE ?
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AB-PO-PH – mars 2007 J.P. Royer AB-PO-PH
SOURCE H-• 1 High Voltage Converter (40kV, 15 mA, dc)• 1 High Voltage Converter (65kV, 4 mA, dc) • PLCs for converters 40 and 65 kV• 1 Screen bias Converter 2 kV, 1A, dc• 1 Grid bias Converter 500V, 500mA dc• 1 Anode bias Converter (5 kV to 20 kV, 20A pulsed 2msec, I dc 20 mA)
LEBT (SOURCE H-)• 2 pulsed solenoids converters (1200A, 800 microsec. , 2 Hz)• 4 « LPSS » for steerer (70V, 10A bipolar, dc)• 1 « LPS2 » for bending (50A, 35V, dc)
CHOPPER LINE• 11 « maxidiscap » for quad (300A, flat top 800microsec, 2 Hz)• 2 « LPSS » for steerer (35V, 20A, dc)
KLYSTRON MODULATEUR• Prototype AB-PO (100kV, 20A, 800 microsec, 2Hz)• Indian collaboration (100kV, 20A, 800 microsec, 2Hz)
Power converters summary
STAND TEST 3MeVSTAND TEST 3MeV
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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SOURCE H-1 High Voltage Converter (40kV, 10 mA, dc)1 High Voltage Converter (65kV, 2 mA, dc)
Technical Specification For DC High Voltage Power Converters Rated - 40 kV, 10 mA- 65 kV, 2 mAAB-POEDMS No.: 799586 DO FUG, HEINZINGER, TECHNIX
order: TECHNIX 22 kFS ( 40kV 15mA + 65 kV 4 mA) delivery time ~ April 2007
PLC’s for converters 40 and 65 kV
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
STAND TEST 3MeVSTAND TEST 3MeV
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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SOURCE H-1 Screen bias Converter 2 kV, 1A, dc
order FUG 6384 Euros (similar LEIR) may 20071 Grid bias Converter 500V, 200mA dc
order FUG 3258 Euros (similar LEIR) may 2007
1 Anode bias Converter (5 kV to 20 kV, 20A pulsed 2msec, I dc 20 mA) order capacitor 46 microf. 26 kV: delivery 11-6-2007 specification for “capacitors charging power converter” done
and sent for DO (demand offer)FUG, Heinzinger, Technix: answer foreseen end of march,then order and manufacturing, cabling the cabinet at CERN with
the different elements.
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
LEBT (SOURCE H-)2 pulsed solenoid converters (1200A, 800 microsec. , 2 Hz)
STAND TEST 3MeVSTAND TEST 3MeV
ACTIVE FILTER
CHARGING CIRCUIT
MAINS MATCHINGTRANSFORMER
SEPTUM
L
R
HIGH VOLTAGE
LEIR RING
F.A. CMD
I septum
2 power converters modified (ex septa EPA-PS) :-No matching transformer-Third harmonic to be modified and adjusted-Active filter must work for 800 microseconds-Modifications and adjustments on regulation loops and electronics.
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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CHOPPER LINE11 « maxidiscap » for quad (300A, flat top 800microsec, 2 Hz)
Market survey and call for tender for consolidation Linac 2 and Stand Test 3 MeV :
Contract placed at OCEM. Delivery of 11 units foreseen for end May 2007
12 kFS / power converter (power and electronics)
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
STAND TEST 3MeVSTAND TEST 3MeV
CHOPPER LINE11 « maxidiscap » for quad (300A, flat top 800microsec, 2 Hz)
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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Example of current and voltage waveforms delivered by a maxidiscap on a LEIR magnet
The flat top will be increase until 800 microsec.
voltage
current
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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Maxidiscap E1 to E4
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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LEBT (SOURCE H-)4 « LPSS » for steerer (10A bipolar, dc)1 « LPS2 » for bending (50A, 35V, dc)
CHOPPER LINE2 « LPSS » for steerer (20A, dc)
Power part: Delta power converters ordered and at CERN
Electronic crates and different electronics cards are in progress for manufacturing.
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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LPSS LPS2 E5 to E6
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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KLYSTRON MODULATOR
1-Indian collaboration (100kV, 20A, 800 microsec, 2Hz)
2-Prototype AB-PO (100kV, 20A, 800 microsec, 2Hz)
It was foreseen to start the stand test 3MeV with the Indian modulator but now, due to the delay, the PO prototype will be installed for operation.
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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PULSETRANSFORMER
(OIL TANK)
Main solid stateswitches
A1
C
KF
1:10
Ca
pa
cit
or
ba
nk
ch
arg
er
po
wer
co
nv
ert
er,
PS
1
Anode powerconverter, PS3
A - Anode;C - Collector;K - Cathode;F - Filament
Filament powerconverter, PS4
Vout
Droop compensation powerconverter or “bouncer”, PS2
0.1mF
Capacitordischarge
system
VPS1
VPS2
12 kV max
-120
kV
ma
x
KLYSTRON(OIL TANK)
DC
Hign FrequencyISOLATION
TRANSFORMER
DC
K1
PS1, PS3, PS4 - CommercialPS2 - CERN made
120 kV High voltage cables
120 kV High voltage connectors
DIODERECTIFIER
A
DRIVER DRIVER
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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MODULATOR PROTOTYPE
-The most important parts have been ordered ( ex: capacitors, high voltage pulse transformer, power converters for charging capacitors and for filament heater, H.V. switch, etc…).- Mechanical assembling has begun.- Preliminary tests of components in lab are in progress.
Planning: first tests with klystron foreseen 15-9-2007
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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Pulsed power converter for Klystron
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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Power converters AB-PO
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AB-PO-PH mars 2007 J.P. Royer AB-PO-PH
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CONCLUSION for the different power converters:
-Team PO/PH responsibility for 27 power converters ( High Voltage, pulsed or DC)-The planning is well followed to respect the general planning STAND TEST 3MeV.
-Effort will be necessary to integrate, to test and to commissioning equipments-Permanent effort (mechanical design, manufacturing) for the high voltage pulsed power converter for klystron modulator.
-Sometimes conflicts with other business: work for shut down, hardware test for start–up accelerators etc…
So we continue to go ahead ……..