Compensation of Lorenz detuning
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Compensation of Lorenz detuning 1. Slide-jack tuner (A1, A2, A3) PowerPoint PPT Presentation


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Compensation of Lorenz detuning 1. Slide-jack tuner (A1, A2, A3) 2. Saclay tuner (C3, C4) 3. Blade tuner (C1) ( C2 & A4 were not tested, yet ). KEK Control system of Piezo Tuner. Piezo control by PC Monitor of detuning frequency. Piezo driver for

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Compensation of Lorenz detuning 1. Slide-jack tuner (A1, A2, A3)

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Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorenz detuning

1. Slide-jack tuner (A1, A2, A3)

2. Saclay tuner (C3, C4)

3. Blade tuner (C1)

(C2 & A4 were not tested, yet)

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

KEK Control system of Piezo Tuner

Piezo control by PC

Monitor of detuning frequency

Piezo driver for

KEK cavities (+1000V)

Piezo driver for DESY/FNAL cavities (+200V)

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Parameters of Piezo drive pulse

Pre-detuning by motor tuner

drive frequency (Hz)

Piezo drive pulse

drive V

Eacc

control panel

dc V

D ft

Single pulse of

inverse cosine waveform

Pinput

RF Feedback / ON

delay time

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (A2)

A2/MHI-06

38 MV/m

A2/MHI-06 (Slide Jack)

38 MV/m

drive f = 200Hz

drive V = 400V

dc V = 140V

FB/on, Piezo/off

FB/on, Piezo/on

D f at rise time

~ 700Hz

pre-det. ~ 600Hz

drive f = 315Hz

drive V = 400V

dc V = 100V

drive f = 300Hz

drive V = 400V

dc V = 35V

D f ~ 200Hz

100Hz/div.

drive f = 400Hz

drive V = 300V

dc V = 120V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (A3)

A3/MHI-07

32.5 MV/m

A3/MHI-07 (Slide-Jack)

32.5 MV/m

drive f = 200Hz

drive V = 500V

dc V = 30V

FB/on, Piezo/off

FB/on, Piezo/on

pre-det. ~ 500Hz

drive f = 250Hz

drive V = 400V

dc V = 150V

D f at rise time

~ 550Hz

drive f = 300Hz

drive V = 350V

dc V = 200V

D f ~ 120Hz

100Hz/div.

drive f = 400Hz

drive V = 250V

dc V = 350V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (A1)

A1/MHI-05

20 MV/m

A1/MHI-05 (Slide Jack)

20 MV/m

drive f = 200Hz

drive V = 330V

dc V = 30V

FB/on, Piezo/off

FB/on, Piezo/on

pre-det. ~ 250Hz

drive f = 250Hz

drive V = 300V

dc V = 30V

D f at rise time

~ 270Hz

drive f = 300Hz

drive V = 200V

dc V = 100V

D f ~ 50Hz

50Hz/div.

drive f = 400Hz

drive V = 200V

dc V = 100V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (C4)

C4/Z109

29 MV/m

C4/Z109 (Saclay Tuner)

29 MV/m

drive f = 200Hz

drive V = 130V

dc V = 4V

FB/on, Piezo/off

FB/on, Piezo/on

D f at rise time

~ 400Hz

pre-det. ~ 180Hz

drive f = 250Hz

drive V = 120V

dc V = 5V

drive f = 300Hz

drive V = 106V

dc V = 16V

D f ~ 500Hz

50Hz/div.

drive f = 400Hz

drive V = 94V

dc V = 43V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (C3)

C3/Z108

18 MV/m

C3/Z108 (Saclay Tuner)

18 MV/m

FB/on, Piezo/off

FB/on, Piezo/on

drive f = 200Hz

drive V = 70V

dc V = 4V

pre-det. ~ 50Hz

drive f = 250Hz

drive V = 60V

dc V = 30V

D f at rise time

~ 150Hz

drive f = 300Hz

drive V = 56V

dc V = 14V

D f ~ 250Hz

50Hz/div.

drive f = 400Hz

drive V = 50V

dc V = 24V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Compensation of Lorentz detuning (C1)

C1/AES004

25.6 MV/m

C1/AES004 (Blade Tuner)

25.6 MV/m

drive f = 200Hz

drive V = 100V

dc V = 2V

FB/on, Piezo/off

FB/on, Piezo/on

pre-det. ~ 180Hz

drive f = 250Hz

drive V = 100V

dc V = 4V

D f at rise time

~ 320Hz

drive f = 300Hz

drive V = 80V

dc V = 24V

D f ~ 300Hz

50Hz/div.

drive f = 400Hz

drive V = 70V

dc V = 38V

S1-G for TTC meeting Global Design Effort


Compensation of lorenz detuning 1 slide jack tuner a1 a2 a3

Summary

  • Compensation of Lorentz force detuning by

  • KEK piezo tuner control system was

  • successfully demonstrated in three types of

  • piezo tuners ( Slide-jack tuner, Saclay tuner

  • and Blade tuner).

S1-G for TTC meeting Global Design Effort


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