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STAND TEST 3MeV. POWER CONVERTERS AB-PO-PH ( Pulsed and High voltage converters) WHERE ARE WE ?. AB-PO-PH mars 2007. Jean-Pierre ROYER. STAND TEST 3MeV. Power converters summary. SOURCE H- 1 High Voltage Converter (40kV, 15 mA, dc) 1 High Voltage Converter (65kV, 4 mA, dc)

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stand test 3mev
STAND TEST 3MeV

POWER CONVERTERS

AB-PO-PH ( Pulsed and High voltage converters)

WHERE ARE WE ?

AB-PO-PH mars 2007

Jean-Pierre ROYER

slide2

STAND TEST 3MeV

Power converters summary

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)

AB-PO-PH – mars 2007

J.P. Royer AB-PO-PH

slide3

STAND TEST 3MeV

        • 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 mA
  • AB-PO EDMS 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

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide4

STAND TEST 3MeV

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide5

STAND TEST 3MeV

        • SOURCE H-
  • 1 Screen bias Converter 2 kV, 1A, dc
  •  order FUG 6384 Euros (similar LEIR) may 2007
  • 1 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” doneand 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.

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide6

STAND TEST 3MeV

        • LEBT (SOURCE H-)
  • 2 pulsed solenoid converters (1200A, 800 microsec. , 2 Hz)

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.

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide7

STAND TEST 3MeV

        • CHOPPER LINE
  • 11 « 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)

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide8

STAND TEST 3MeV

        • CHOPPER LINE
  • 11 « maxidiscap » for quad (300A, flat top 800microsec, 2 Hz)

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide9

STAND TEST 3MeV

Example of current and voltage waveforms delivered by a maxidiscap on a LEIR magnet

voltage

The flat top will be increase until 800 microsec.

current

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide10

STAND TEST 3MeV

 Maxidiscap E1 to E4 

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide11

STAND TEST 3MeV

        • LEBT (SOURCE H-)
  • 4 « LPSS » for steerer (10A bipolar, dc)
  • 1 « LPS2 » for bending (50A, 35V, dc)
        • CHOPPER LINE
  • 2  « 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.

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide12

STAND TEST 3MeV

 LPSS LPS2 E5 to E6 

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide13

STAND TEST 3MeV

        • 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.

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide14

STAND TEST 3MeV

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide15

STAND TEST 3MeV

          • 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

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

pulsed power converter for klystron

STAND TEST 3MeV

Pulsed power converter for Klystron

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide17

STAND TEST 3MeV

Power converters AB-PO

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

slide18

STAND TEST 3MeV

  • 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 ……..

AB-PO-PH mars 2007

J.P. Royer AB-PO-PH

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