Differences between revisions 2 and 3
⇤ ← Revision 2 as of 2016-04-21 17:05:22 →
Size: 1380
Editor: YutaMichimura
Comment:
← Revision 3 as of 2016-04-21 17:10:16 → ⇥
Size: 1801
Editor: YutaMichimura
Comment:
Deletions are marked like this. Additions are marked like this.
Line 11: Line 11:
 * TAMA coil driver has 50 Ohm, 20 mA/V.
 * Low Power Coil Driver ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3507|JGW-D1503507]]) has 7.8 kOhm a DC (1.3 kOhm above 312 Hz), 0.128 mA/V at DC. AD8671, 10 mA at max.
 * High Power Coil Driver ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3503|JGW-D1503503]]) has 73 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.

bKAGRA Suspensions Actuator Design Summary

TM

IM

Suspension

coil

magnet

coil-magnet

coil driver

coil

magnet

coil-magnet

coil driver

MCi/e/o (Type-C)

40 turns

NdFeB

0.0014 N/A at max

TAMA

-

-

-

-

PR2/3/M (Type-Bp)

600 turns

SmCo 6mm dia, 3mm thick

0.129 N/A at max

high power

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

high power

BS (Type-B)

600 turns

SmCo 2mm dia, 3mm thick

0.0313N/A at max

low power

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

low power

SR2/3/M (Type-B)

600 turns

SmCo 2mm dia, 5mm thick

N/A at max

low power

600 turns

SmCo 10mm dia, 10mm thick

1.12 N/A at max

low power

ITM/ETM (Cryopayload)

600/500 turns(?)

SmCo(?) 2mm dia, 2mm thick

???

???

???

???

???

???

Coil Drivers

  • TAMA coil driver has 50 Ohm, 20 mA/V.

  • Low Power Coil Driver (JGW-D1503507) has 7.8 kOhm a 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.

KAGRA/Subgroups/VIS/ActuatorDesign (last edited 2017-07-21 12:13:39 by YutaMichimura)