|
Size: 1836
Comment:
|
Size: 2089
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 3: | Line 3: |
| ||MCi/e/o (Type-C) '''TM''' ||40 turns ||NdFeB 1mm dia, 5mm thick || 0.0014 N/A at max ||TAMA || | ||MCi/e/o (Type-C) '''TM''' ||40 turns ||NdFeB 1mm dia, 5mm thick ||0.0014 N/A at max ||TAMA || |
| Line 5: | Line 5: |
| ||PR2/3/M (Type-Bp) '''TM''' ||600 turns ||Sm``Co 6mm dia, 3mm thick ||0.129 N/A at max ||high power || ||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||high power || ||BS (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 3mm thick ||0.0313N/A at max ||low power || ||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power || ||SR2/3/M (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 5mm thick ||N/A at max ||low power || ||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power || ||ITM/ETM (Cryopayload) '''TM''' ||600/500 turns(?) ||Sm``Co(?) 2mm dia, 2mm thick ||??? ||??? || |
||PR2/3/M (Type-Bp) '''TM''' ||600 turns ||SmCo 6mm dia, 3mm thick ||0.129 N/A at max ||high power || ||'''IM''' ||600 turns ||SmCo 10mm dia, 10mm thick ||1.12 N/A at max ||high power || ||BS (Type-B) '''TM''' ||600 turns ||SmCo 2mm dia, 3mm thick ||0.0313N/A at max ||low power || ||'''IM''' ||600 turns ||SmCo 10mm dia, 10mm thick ||1.12 N/A at max ||low power || ||SR2/3/M (Type-B) '''TM''' ||600 turns ||SmCo 2mm dia, 5mm thick ||N/A at max ||low power || ||'''IM''' ||600 turns ||SmCo 10mm dia, 10mm thick ||1.12 N/A at max ||low power || ||ITM/ETM (Cryopayload) '''TM''' ||600/500 turns(?) ||SmCo(?) 2mm dia, 2mm thick ||??? ||??? || |
| Line 16: | Line 16: |
| * TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max. | * TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max. Summary by Koji Arai is [[http://tamago.mtk.nao.ac.jp/tama/ifo/www_suspension_install_status/coil_property.html|here]]. |
| Line 24: | Line 24: |
| * Magnetic noise calculation for BS (and ETM/ITM, PRM/SRM) [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=4459|JGW-T1504459]] |
bKAGRA Suspensions Actuator Design Summary
suspension and stage |
coil |
magnet |
coil-magnet |
coil driver |
MCi/e/o (Type-C) TM |
40 turns |
NdFeB 1mm dia, 5mm thick |
0.0014 N/A at max |
TAMA |
IM |
- |
- |
- |
- |
PR2/3/M (Type-Bp) TM |
600 turns |
SmCo 6mm dia, 3mm thick |
0.129 N/A at max |
high power |
IM |
600 turns |
SmCo 10mm dia, 10mm thick |
1.12 N/A at max |
high power |
BS (Type-B) TM |
600 turns |
SmCo 2mm dia, 3mm thick |
0.0313N/A at max |
low power |
IM |
600 turns |
SmCo 10mm dia, 10mm thick |
1.12 N/A at max |
low power |
SR2/3/M (Type-B) TM |
600 turns |
SmCo 2mm dia, 5mm thick |
N/A at max |
low power |
IM |
600 turns |
SmCo 10mm dia, 10mm thick |
1.12 N/A at max |
low power |
ITM/ETM (Cryopayload) TM |
600/500 turns(?) |
SmCo(?) 2mm dia, 2mm thick |
??? |
??? |
IM |
??? |
??? |
??? |
??? |
Coil Drivers
TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max. Summary by Koji Arai is here.
Low Power Coil Driver (JGW-D1503507) has 7.8 kOhm at DC (1.3 kOhm above 312 Hz), 0.128 mA/V at DC. AD8671, 10 mA at max.
High Power Coil Driver (JGW-D1503503) has 73 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.
Related Documents
Actuator Noise Modeling Report JGW-T1503453
BS Actuator Design (including design for SRs and PRs) JGW-T1504450
OSEM Coil/Magnet/Flag Calculation JGW-T1503239
Magnetic noise calculation for BS (and ETM/ITM, PRM/SRM) JGW-T1504459