SLAC Magnetic Measurements Date: 02-03-2010 Time: 12:54:57 Project: E163 Magnet Type: PMQ_Coil_Calib Magnet Name: Calib Serial Number: Run Number: 1 Measurement Device: Helmholtz coil Operator: sda Comment: Coil Calibration at 6 amps. Low pass amp set to 100 Hz cutoff. 12:54:59 Initial Zero Current Measurement, Imag_zero = 0.0000 A 12:54:59 Temperature Measurement Device(s) Being Used, type = YSI44036_HP3457 12:55:08 Begin Helmholtz Coil Measurement Helmholtz coil measurement: The gain is set to 20 12:55:37 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037447 -0.0002387 0.0037523 -3.6477550 2 0.0000011 -0.0000034 0.0000035 -71.6068792 3 0.0000013 0.0000017 0.0000022 53.9487326 4 -0.0000033 -0.0000033 0.0000047 -134.9832372 5 0.0000004 -0.0000008 0.0000009 -64.1097468 6 0.0000020 -0.0000014 0.0000024 -33.9548564 7 -0.0000019 -0.0000023 0.0000030 -128.4606485 8 -0.0000022 -0.0000010 0.0000024 -155.4901811 9 -0.0000011 -0.0000030 0.0000032 -109.7069524 10 -0.0000014 0.0000016 0.0000021 132.0936668 12:55:53 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037565 -0.0000044 0.0037565 -0.0674688 2 0.0000016 -0.0000023 0.0000028 -54.6012465 3 0.0000007 -0.0000019 0.0000021 -68.9628284 4 -0.0000038 0.0000052 0.0000064 126.2985084 5 -0.0000015 0.0000008 0.0000018 151.4616631 6 -0.0000022 0.0000008 0.0000023 160.9862315 7 -0.0000014 -0.0000091 0.0000092 -98.5822137 8 0.0000023 -0.0000005 0.0000023 -12.0901507 9 0.0000001 0.0000035 0.0000035 87.8692413 10 0.0000026 0.0000051 0.0000058 62.8973292 12:56:09 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037510 -0.0002810 0.0037615 -4.2844199 2 -0.0000006 -0.0000072 0.0000073 -94.5358968 3 -0.0000005 -0.0000015 0.0000016 -108.3245076 4 0.0000015 -0.0000008 0.0000017 -29.0257270 5 0.0000014 0.0000015 0.0000021 45.9097701 6 0.0000007 0.0000003 0.0000008 20.1559853 7 -0.0000035 0.0000008 0.0000036 166.5275697 8 -0.0000017 -0.0000000 0.0000017 -179.9064967 9 0.0000011 -0.0000034 0.0000036 -71.6329386 10 -0.0000001 -0.0000034 0.0000034 -91.9089556 12:56:25 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037596 0.0000065 0.0037596 0.0985334 2 0.0000028 0.0000075 0.0000080 69.2421327 3 0.0000011 -0.0000007 0.0000013 -32.9829285 4 0.0000044 -0.0000067 0.0000080 -57.0492544 5 0.0000053 -0.0000005 0.0000053 -5.1487018 6 0.0000017 0.0000015 0.0000022 42.0278803 7 0.0000019 -0.0000019 0.0000027 -45.1731157 8 0.0000033 0.0000009 0.0000034 16.0675199 9 0.0000032 0.0000040 0.0000051 51.0363493 10 0.0000021 -0.0000003 0.0000021 -8.4642500 12:56:41 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037556 -0.0002786 0.0037659 -4.2427145 2 -0.0000038 -0.0000027 0.0000047 -145.0181119 3 -0.0000033 0.0000002 0.0000033 177.3726045 4 0.0000035 -0.0000007 0.0000036 -11.8723691 5 0.0000016 0.0000012 0.0000020 38.5605796 6 0.0000001 0.0000005 0.0000005 78.3422245 7 -0.0000051 -0.0000009 0.0000052 -170.3902063 8 0.0000004 -0.0000026 0.0000026 -80.9318240 9 0.0000046 -0.0000027 0.0000053 -30.3337873 10 -0.0000026 0.0000045 0.0000052 120.4536806 12:56:57 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037652 0.0000043 0.0037652 0.0659702 2 0.0000013 0.0000047 0.0000049 74.7544024 3 -0.0000009 0.0000013 0.0000016 125.6910684 4 -0.0000014 -0.0000020 0.0000024 -126.3401272 5 0.0000022 -0.0000003 0.0000022 -8.0632239 6 0.0000001 0.0000007 0.0000007 85.0596830 7 0.0000008 -0.0000047 0.0000047 -79.8862820 8 0.0000021 0.0000001 0.0000021 3.6609046 9 -0.0000014 0.0000040 0.0000042 108.8984603 10 -0.0000052 -0.0000002 0.0000053 -177.3397746 12:57:13 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037581 -0.0002704 0.0037678 -4.1153462 2 0.0000020 -0.0000037 0.0000042 -61.5423911 3 -0.0000017 -0.0000033 0.0000038 -117.5113628 4 -0.0000019 -0.0000001 0.0000019 -176.5856776 5 0.0000011 0.0000035 0.0000037 72.6174669 6 0.0000007 0.0000004 0.0000008 29.6137605 7 -0.0000063 0.0000004 0.0000063 176.2693066 8 0.0000014 0.0000011 0.0000018 37.9034734 9 0.0000101 -0.0000030 0.0000105 -16.5379157 10 -0.0000003 -0.0000026 0.0000026 -96.0114688 12:57:29 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0037585 0.0000026 0.0037585 0.0395268 2 -0.0000007 0.0000053 0.0000054 97.2728021 3 -0.0000006 0.0000024 0.0000025 105.1043017 4 0.0000019 -0.0000029 0.0000034 -56.8856899 5 0.0000046 0.0000035 0.0000058 37.2694103 6 0.0000023 0.0000044 0.0000050 62.4963563 7 0.0000053 -0.0000083 0.0000098 -57.4791085 8 0.0000039 0.0000010 0.0000040 14.2407712 9 -0.0000009 0.0000046 0.0000047 101.0593853 10 0.0000014 -0.0000081 0.0000082 -80.3416976 12:57:30 Integrated Voltage Harmonics, Average and RMS of Measurements n vthar_re[i] svthar_re[i] vthar_im[i] svthar_im[i] (Vs) (Vs) (Vs) (Vs) --- ------------ ------------ ------------ ------------ 1 0.0037561 0.0000037 -0.0001325 0.0000064 2 0.0000005 0.0000010 -0.0000002 0.0000015 3 -0.0000005 0.0000012 -0.0000002 0.0000007 4 0.0000001 0.0000024 -0.0000014 0.0000017 5 0.0000019 0.0000015 0.0000011 0.0000014 6 0.0000007 0.0000007 0.0000009 0.0000010 7 -0.0000013 0.0000007 -0.0000032 0.0000019 8 0.0000012 0.0000010 -0.0000001 0.0000009 9 0.0000020 0.0000018 0.0000005 0.0000002 10 -0.0000005 0.0000020 -0.0000004 0.0000034 12:57:30 Magnetic Moment Calculation Helmholtz Coil Radius, R = 0.493357 m Helmholtz Coil Number Of Turns, N = 3045 Geometry Factor, G = 1.397540 m vthar_re_ave = 3.756141e-03 Vs vthar_im_ave = -1.324719e-04 Vs mm_re_ave = 8.505113e-07 Tm^3 mm_im_ave = -2.999592e-08 Tm^3 12:57:30 Magnetic Moment Measurement M = 8.510401e-07 +- 8.376268e-10 Tm^3 Theta = 2.019876 +- 0.098041 deg 12:57:32 Temperature Measurement, Probe Number = 0, T = 20.104945 C 12:57:34 Temperature Measurement, Probe Number = 1, T = 20.058502 C 12:57:35 Magnet Current, Imag = 6.0181 A Vtrans = 3.851590 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:57:37 Magnet Current, Imag = 6.0181 A Vtrans = 3.851600 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:57:38 Magnet Current, Imag = 6.0181 A Vtrans = 3.851610 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:57:40 Magnet Current, Imag = 6.0182 A Vtrans = 3.851630 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:57:40 Magnet Current Measurement: Imag = 6.0181 +- 0.0000 A 12:57:40 Calibration Coil Magnetic Moment Measurement Coil current, I = 6.018137 +/- 0.000023 A Coil area, A = 0.111860 m^2 Magnetic Moment, M = 8.459539e-07 Tm^3