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PETRA III – Recommissioning.
Plans PETRA III Team DESY PETRA III meeting Status january, 2015 1 1
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PETRA III Extension, North
2015: Beam lines 2
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Meeting Jan 05, 2015 Schedule Update 3
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Schedule Jan 2015, Status Nov/Dec 2015
Project meeting Nov 13, 2014 Test Polaritaeten ? Ejektion aus DESY ? Installation Undulatoren PU08 bis 5 .Dez. PU02 Jan. 2015 PU64 / 65 Service Week April 2015 ? PU08 PU02 ??? 4
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Recommissioning Schedule 2015, Status Aug. 15, 2014
Discussion with FS, User Run , External User 5
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User Run – Filling pattern
S:\user\groups\has\ohseeck\public\2015 6
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Meeting Jan 19, 2015 Schichtplan 7
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Commissioning with Beam
Check diagnostics current monitors, test signals scopes (triggers, software integration) screen monitors BPMs Check magnet server set power supplies polarity check of all magnet shifts Cycle the magnets shifts new files massa oben, unten start file Demagnetize the PQK, PQL, … magnets in the Extension region corrector settings from the last file (injection wiggler section North, New Octant some work during power supply commissioning Transfer line shifts Eject beam from DESY into the the E-Weg modified quadrupoles ! 8
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Commissioning with Beam (cont.)
First turn steering stored beam shifts kicker, septa settings (any changes ?, new pulsers) rf frequency bunch marker system timing system orbit correction chromaticity rf phases Accumulation, multi bunch injection shifts beam current < 5 mA check vacuum pressure Basic Optic checks shifts aperture (two orthogonal coils) bumps (extension section) dynamic aperture (kicker) Beam Based Alignment (Extension region) ORM chromaticity, coupling 9
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Commissioning with Beam (cont.)
MBFB basic set-up shifts goal : I > 20 mA longt. FB transverse FB timing system Optics checks (20 mA) shifts (2 blocks) Beam based alignment ORM Correct Optics Verify correction 10
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Further Commissioning with Beam
Orbit + Dispersion correction (20 mA) shifts Golden orbit (without beam lines) dispersion correction emittance diagnostics Fast Orbit Feedback shifts set-up of the system (matrix) check software check entlastungs server Check machine protection system shifts Dynamic Aperture shift Impedance / Instabilities shifts intensity dependent tune shift ion instabilities ? 11
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Further Commissioning with Beam (cont.)
New Octant ( 1 mA runs ) shifts Golden orbit (with beam lines) Higher beam intensities shifts goal I > 50 mA different filling schemes RF settings (cavities) New Octant ( 1 mA runs ) shifts Golden orbit (with beam lines) Activation of NEG coating, strips ? Advanced studies, Intensity dependent ORM Study of beam losses, beam halo , Diodes at scrapers 12
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Meeting Jan 26, 2015 Einbaupositionen Magnete #004 = spare 13
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HF Kopplertausch HF Koppler getauscht: SL_Cy3 und SL_Cy4 14
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E-Weg 15
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Netzgeraete (ExO) 16
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Netzgeraete (NR) 17
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Netzgeraete (Acc. view)
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Fileoperator 19
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Fileoperator (including expert files)
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Meeting Feb 02, 2015 Mo Interlock, FS Di 03.02.2015 Inj. E-Weg
Spaetschicht Mi Polaritaeten PXN Spaet 21
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E-Weg : UGP PETRA III 22
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E-Weg 120 m PETRA III QE 123 F 131 D 149 F 158 D Schirm 146 m
b_x = 13 m, b_y = 70 m Schirm 161 m b_x = 36 m, b_y = 33 m 23
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Integration of new components
Data SIZE of Groups of power supplies, order of correctors in list, BBA PS: Acc View Libera Server 24
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Schichtplan ab naechste Woche
Wer Wann Nicht: 25
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Meeting Feb 09, 2015 Di 03.02.2015 Inj. E-Weg Polaritaet
QE 123, 131, 149, 158 war falsch, Umpolen am Netzgeraet 26 26
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Feb 04, 2015 Erdschlusss an zwei PQK Magneten: OR97 OR 89
Isolierung der Schrauben defekt 27
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Feb 04, 2015 Feb 04, 2015 Wasserleck SWL 83m, DDW (Differenz Druckwaechter) Feb 05, 2015 falsches Ejektionsfile bei DESY II, beam bump Arbeiten an der Massage Procedure QF, QD rampen zu langsam, (16 bit 18 bit ADC) PETRA III: Polaritaeten im Tunnel Quadrupol Q3_NR_126 (vermutlich im Tunnel verpolt) irrtümlich wurde ein PDA fuer verpolt gehalten, da der Strom in der Hauptspule zu klein war im Vergleich zur Korrekturwindung Strahl bis Extension Nord 28
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Feb 06, 2015 ~ 1 Umlauf in PETRA 29
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Feb 07, 2015 Polwender am 08.02.15 erstmal blockiert, do sonst
nicht richtig in der massageprozedur beruecksichtigt ! Diskussionsbedarf 30
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Feb 08, 2015 Am Sonntag Probleme mit der Steuerung eines Kuehlturms
Probleme mit dem DCCT des QF Kreises 31
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Status versus plan Check diagnostics Check magnet server
current monitors, test signals scopes (triggers, software integration) screen monitors BPMs Check magnet server set power supplies polarity check of all magnet Cycle the magnets new files massa oben, unten start file Demagnetize the PQK, PQL, … magnets in the Extension region corrector settings from the last file (injection wiggler section North, New Octant Transfer line Eject beam from DESY into the the E-Weg modified quadrupoles ! 32
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Plan fuer diese Woche: 9 – 15.02.15
Sichere Massage-Prozedur Alle Netzgeraete bereit First turn steering Strahl speichern First turn steering stored beam shifts kicker, septa settings (any changes ?, new pulsers) rf frequency bunch marker system timing system orbit correction chromaticity rf phases 33
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Further steps Accumulation, multi bunch injection 3 shifts
beam current < 5 mA check vacuum pressure orbit correction Basic Optic checks shifts aperture (two orthogonal coils) bumps (extension section) dynamic aperture (kicker) Beam Based Alignment (Extension region) ORM chromaticity, coupling 34
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Meeting Feb 16, 2015 Nachtrag: Aenderung der Massage Prozedure,
wegen Limitierung am Dipolnetzgeraet fuer die Extension Nord und Ost PETRA Massage: PQK werden extra massiert ! Massage PETRA+Korrektoren+EWeg Massage PETRA nur Extensiom PQK PETRA Sendern: Einsenderbetrieb Alle Cavities sind am Sender Süd Links angeschlossen ! Probleme Klystron Sued Rechts 35 35
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NN 36
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First stored beam Feb 13, end of late shift
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Feb 14, Measurements with stored beam
QA3_NOR_70. 38
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Feb 14, 2015 Check of magnet current in the tunnel
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Feb 15, restore correct settings of quads
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Feb 15 / 16 orbit correction + first accumulation
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Monday, Feb 16 Interlock text experiments
Morning: TueV Interlock test FS Fix problems with power supply electronics 42 42
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Feb 16, 5 mA at end of late shift
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Commissioning of Feedback Systems
Feb 17 : transverse feedback + tune measurement Feb 18 : longt. feedback transverse feedback (problems solved) 44 44
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Investigation of beam optics
Feb 17 : 45 45
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Beam Optics and BBA Feb 17 : 46 46
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BBA, Feb 19 Ost oder Nord ? 47 47
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BBA, Feb 20 48 48
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BBA, Feb 20 (cont.) 49 49
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BPM Feb 17 : Feb 18 : 50 50
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Feb 19 BPM Libera electronics settings for different filling pattern 51 51
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Feb 20 BPM 52 52
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Feb 17 / 18: Windows restart / Verdunkelung
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Magnets 54 54
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Software 55 55
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Software (cont.) 56 56
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Software (cont.) 57 57
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Software (cont.) 58 58
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Feb 20 59 59
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Wochenplan 23 – 27.02.15 BBA Power supply electronics Orbit correction
Dispersion correction ORM Fast orbit feedback Aperture scans, extension Chromaticity Dynamic Aperture Collimator Settings Higher Intensities > 50 mA Power supply electronics Software File operator configuration (massage) 60 60
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Meeting 61 61
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Last week BBA Orbit correction (Java Programm, finally working)
Dispersion correction ORM (Optics corrected on Friday) Aperture scans, extension Chromaticity Dynamic Aperture Collimator Settings Software (Magnet server) File operator configuration (massage) Higher Intensities > 50 mA (during the weekend 60 mA) Emittance diagnostics 62 62
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This week, 02.03 – 06.03.15 Dynamic Aperture Tune shift with intensity
BBA Dispersion correction (bump in east ?) Optics correction, ORM (2nd iteration) Fast orbit feedback Aperture scans Higher Intensities > 60 mA (different filling pattern) 63 63
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Meeting Last week – : Wartungszeit: Messungen MKK Wasser 64 64
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Test Fast Orbit Feedback, not yet working (4.3.15, late shift)
Last week: 2.3. – Work on software (server, PSC), client (Orbitcorrection, Dispersioncorrection) Chromaticity correction , S1, S3, limit set to 480 A Beam life time different filling pattern Scraper studies (J. Keil, J-L. Revol), New configuration of scraper software ! Vacuum lifetime Compensation of coupling Tune shift with intensity Aceptance measurement Aperture scan Zell (5.3.15) Test Fast Orbit Feedback, not yet working (4.3.15, late shift) 1 mA test runs together with the Beamlines, close undulators PU10, PU07, PU04 65 65
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ESRF Orange book: Scraper studies at PETRA III: J.-L. Revol + J. Keil 66 66
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BBA Data PXN 67 67
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BBA PXN 68 68
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PXN Vermessung PU64/65: Kammer liegt gegen Strahlsollhöhe zu tief 0.5 m 0.4 mm im Quad 0.2 mm 0.5 mm Abweichung innerhalb der Kammer 0.3 mm 69 69
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This week 9.3 – 13.3.15 Software, Can bus configuration
1 mA runs Di, … ab 8 h – 13 h FOFB ??? Mi Momentum acceptance / emittanz vert. Do ORM Optik 2. Iteration Di HF, 40 Bunche 80 mA, Mo + Fr nachmittag 70 70
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Meeting 16.03.2015 Last week 9.3.15 – 15.3.15 : 9.3.15 Wartungszeit
80 mA, 40 Bunch PU02/03, PU10 Test FOFB ORM (2nd iteration) PU01 ZZ Strommonitor IMA-SOR67 Vert. Emittanzmessung (Interferometer) Vakuumlebensdauer (Fit aus vert. Emittanz) Ausbacken 80 mA, 40 Bunche mA run PU1, PU02/03, PU07, PU10 Lebensdauer / HF Spannunf, Momentum Acceptance Probleme bei der Injektion mit geschlossenen Undulatoren HF-Messschicht, Spannungskalibration etc. mA, 60 Bunche 71 71
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Last week from the Logbook: 72 72
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Last week from the Logbook: 73 73
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This week 16.3 – Friday 13.3: 50mA, first radiation inspection at P02/P03. Week 16. to 20th March Monday: - Tuesday: starting 1mA at Sector 6 (P08/P09) thereafter 1mA for Sector 9 (P13/P14). Wednesday: final radiation inspection P01, P03 Thursady: final radiation inspection P08/P09 Friday: final radiation inspection P13/P14 As soon as possible Sector 8 (P11,P12) 1mA and radiation survay, after Easter : Sector 4 (P05/P06) 1mA and radiation survey. 74 74
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This week 16.3 – Optik Korrektur ? 75 75
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NN Software, NNNNNN 76 76
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Thank you for your attention !
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