AB-PO-PH 2005 Pulsed and High voltage converters Responsibilities: PS complex exploitation, active...

AB-PO-PH 2005AB-PO-PH 2005

Pulsed and High voltage convertersPulsed and High voltage converters

Responsibilities:• PS complex exploitation, active maintenance (documentation, improvement, spare), follow-up operation, physicist requirements .• I-LHC project : Pulsed, high voltage and commercial converters (~ 150). Follow-up contract, installation, commissioning.• ISOLDE: Follow-up the requirements (RFQc, Test front-end etc.)• REX-ISOLDE: Power converters integration AB, interface PO/CO.• CNGS : Power converters (horn and reflector), PH collaboration.• CONSOLIDATION power converters: PS (gamma-transition), AD ( capacitors), Linac (dipoles, quadripoles) • Stand test 3MeV ( Linac 4): Follow-up requirement• 0.9 sec PS complex ; Multiturn ejection ; CTF3 (power converter source laser);

Group Meeting - 04.03.2005 J.P. Royer AB-PO-PH



• PS complex exploitation, active maintenance (documentation, improvement, spare), follow-up operation, physicians requirements.

• 2005 : Linac2 ( protons), PSB (Booster) and ISOLDE.• 2005: Linac3 and commissioning de LEIR

• Pulsed power converters: current 10A to 40000A with voltage until 4kVolts

• High voltage power converters: voltage 1000V to 50000V current until 5A

• Piquet follow-up transition, 4 persons PO-PH in the piquet team ( second line)

• Collaboration for transfer information through FIRST LINE team and also through others sections PO.




I-LHCproject




• I-LHC ( linac3, LEIR,PS): Pulsed, high voltage and commercial power converters. Follow-up contract, commissioning. Planning 2005- 2006 very tight• Pulsed dipoles5 HZ (14) , commissioning now (linac 3)• Pulsed quadripoles 5HZ (11), commissioning now (linac 3)• HV electron cooling and RF (19) -IT 3225 AB-LHC- (FUG)• HV RF power converters LEIR (2)- IT 3257 AB-LHC- (OCEM)• Commercial power converters 1Q (30) -PE 21785/AB- (Delta)• Commercial power converters 4Q (90)-IT 3262 AB- (Danfysik)• Pulsed septum ejection power converter ~ 40 kA• Pulsed septum injection PS, septum 26 (start PS 2006)• Power converter bump 26 PS (start PS 2006)





Test power converters on the two types of magnets with flat top 500 microsec., 5Hz.

Type VII L= 1,3 mH, R= 0,2 Ohms Imax = 200A Uc=900V




High voltage power converters 7,5 kV 190 kW for LEIR RF

ISOLDE ISOLDE

• Experimental physic (alone at CERN in 2005) • Extension


AB-PO-PH 2005 AB-PO-PH 2005


New transformers insulation 60 kV 50 kVA


2 different transformers (with oil) New dry identical transformers



ISOLDE targets GPS HRS Power converters at 60 kVolts




• REX-ISOLDE integration AB

• ~ 146 power converters, 34 different types.• Rationalisation power converters• Rationalisation control-interface CO-PO, (first part in June

2005)• To foresee for exploitation: documentation, security aspect

etc…• New collaborator in the team PH, since march 2004.




REX-ISOLDE: 146 power converters 34 types




• CNGS: power converters (horn and reflector); collaboration department PH

• Electronic PO for the pulsed power converters horn and reflector.

• Control interface 1553 and timing TG8 (CO).• Adaptation timing, internal software.• Adaptation hardware• Test BA7 foreseen 2005, then installation 2 power converters

BA4.



Pulsed and High voltage convertersPulsed and High voltage converters• Consolidation:

• Pulsed power converter for PS gamma-transition (2 or more ? ) functional specification (mi 2005), proposition of design, technical specification (end 2005)

• Technical specification for capacitors pulse power converters (13) 4 kVolts, 4000A de AD

• Pulsed power converters for dipoles (25) Linac2 et (10) PSB, for quad (80) Linac 2 (budget and planning)

• Stand test 3 MeV: follow-up Linac4 (approval end 2006?)

• Beam test 3 MeV beginning 2007• Quad power converters (11), dipole power converters (2)• High power converters HT RF (2) collaboration ??;

(12 power converters for Linac 4.)




• CTF3: power converter for laser system photo-injector.

• Multiturn Ejection: analyse for reorganisation of the pulsed power converters for ejection 16.(Bump 16, etc..)

• 0.9sec complex PS: follow-up power converters Linac 2, PSB ( pulsed power converters septa PSB-PS)


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

Team 2005Team 2005

• CRAVERO Jean-Marc• DAVID Nicolas• JOFFE Stéphane• LAHAYE Joël• PARRA-LOPEZ Julien• SEGUIN Maurice (~ 60% )• SIMONET Gilles• ROYER Jean-Pierre


•Poste AB-PO-PH-2004-188-LD-LSC

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