SLAC Magnetic Measurements Date: 08-08-2000 Time: 11:40:43 Project: spear3 Magnet Type: gdipole Magnet Name: proto Serial Number: Run Number: 3 Measurement Device: coil # 2 Operator: zw Comment: Single coil, outside coil, positions refer to coil package Test Currents (A): 630.0 11:40:55 Initial Zero Current Measurement, Imag_zero = 0.0000 A 11:40:55 Magnet current ramping to 630.0000 A... 11:41:01 Magnet Current, Imag = 630.6680 A Vtrans = 6.306680 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 11:41:03 Magnet Current, Imag = 630.6780 A Vtrans = 6.306780 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 11:41:04 Magnet Current, Imag = 630.6950 A Vtrans = 6.306950 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 11:41:06 Magnet Current, Imag = 630.7140 A Vtrans = 6.307140 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 11:41:06 Magnet Current Measurement: Imag = 630.6888 +- 0.0175 A 11:41:59 Integrated Voltage Measurement X0 = -0.055000 (m), Delta X = 0.110000 (m), Num_Samp = 300 11:42:39 Integrated Voltage Measurement X0 = 0.054800 (m), Delta X = -0.110000 (m), Num_Samp = 300 11:42:40 BLscan_get_VT just finished a forward and reverse measurement 11:42:40 Polynomial Coefficient Calculation Polynomial Order = 8 Coeff # (Vs/m^#) ------- ------------ 0 -1.04068 1 -18.95029 2 3.15124 3 -54.14717 4 -1728.84434 5 88793.83588 6 921928.22762 7 -52534049.22498 8 -784210049.83758 11:42:40 M matrix 4.082e-04 0.000e+00 9.500e-08 0.000e+00 1.834e-11 0.000e+00 3.250e-15 0.000e+00 0.000e+00 8.163e-04 0.000e+00 2.850e-07 0.000e+00 7.335e-11 0.000e+00 1.625e-14 0.000e+00 0.000e+00 1.361e-03 0.000e+00 6.650e-07 0.000e+00 2.200e-10 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.041e-03 0.000e+00 1.330e-06 0.000e+00 5.501e-10 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.857e-03 0.000e+00 2.394e-06 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.810e-03 0.000e+00 3.990e-06 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 4.898e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 6.122e-03 11:42:40 invM matrix 2.450e+03 0.000e+00 -1.711e-01 0.000e+00 2.409e-05 0.000e+00 -5.715e-09 0.000e+00 0.000e+00 1.225e+03 0.000e+00 -1.711e-01 0.000e+00 3.614e-05 0.000e+00 -1.143e-08 0.000e+00 0.000e+00 7.350e+02 0.000e+00 -1.711e-01 0.000e+00 5.059e-05 0.000e+00 0.000e+00 0.000e+00 0.000e+00 4.900e+02 0.000e+00 -1.711e-01 0.000e+00 6.745e-05 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.500e+02 0.000e+00 -1.711e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.625e+02 0.000e+00 -1.711e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.042e+02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 1.633e+02 11:42:40 AL vs X and BL vs X Polynomial Coefficient Calculation Number of harmonics = 10 Nturns per coil = 400 D1 = 0.011741 D0 = 0.001340 ALn BLn # (Tm^2/m^#) (Tm/m^#) ------- ------------ ------------ 1 0.00000 0.00000 2 0.00000 0.00000 3 -58.02019 -174.06056 4 5.24783 20.99133 5 -72.05650 -360.28252 6 -1322.17017 -7933.02100 7 50080.47815 350563.34706 8 470194.79539 3761558.36312 9 -13407022.76759 -120663204.90834 10 -160108305.34264 -1601083053.42643 11:43:20 Integrated Voltage Measurement X0 = -0.055000 (m), Delta X = 0.110000 (m), Num_Samp = 300 11:44:00 Integrated Voltage Measurement X0 = 0.054800 (m), Delta X = -0.110000 (m), Num_Samp = 300 11:44:00 BLscan_get_VT just finished a forward and reverse measurement 11:44:01 Polynomial Coefficient Calculation Polynomial Order = 8 Coeff # (Vs/m^#) ------- ------------ 0 -1.04027 1 -18.95003 2 3.19595 3 -58.50985 4 -1748.38451 5 92604.23631 6 904266.28268 7 -53352039.31758 8 -775519010.94713 11:44:01 M matrix 4.082e-04 0.000e+00 9.500e-08 0.000e+00 1.834e-11 0.000e+00 3.250e-15 0.000e+00 0.000e+00 8.163e-04 0.000e+00 2.850e-07 0.000e+00 7.335e-11 0.000e+00 1.625e-14 0.000e+00 0.000e+00 1.361e-03 0.000e+00 6.650e-07 0.000e+00 2.200e-10 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.041e-03 0.000e+00 1.330e-06 0.000e+00 5.501e-10 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.857e-03 0.000e+00 2.394e-06 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.810e-03 0.000e+00 3.990e-06 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 4.898e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 6.122e-03 11:44:01 invM matrix 2.450e+03 0.000e+00 -1.711e-01 0.000e+00 2.409e-05 0.000e+00 -5.715e-09 0.000e+00 0.000e+00 1.225e+03 0.000e+00 -1.711e-01 0.000e+00 3.614e-05 0.000e+00 -1.143e-08 0.000e+00 0.000e+00 7.350e+02 0.000e+00 -1.711e-01 0.000e+00 5.059e-05 0.000e+00 0.000e+00 0.000e+00 0.000e+00 4.900e+02 0.000e+00 -1.711e-01 0.000e+00 6.745e-05 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.500e+02 0.000e+00 -1.711e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.625e+02 0.000e+00 -1.711e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.042e+02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 1.633e+02 11:44:01 AL vs X and BL vs X Polynomial Coefficient Calculation Number of harmonics = 10 Nturns per coil = 400 D1 = 0.011741 D0 = 0.001340 ALn BLn # (Tm^2/m^#) (Tm/m^#) ------- ------------ ------------ 1 0.00000 0.00000 2 0.00000 0.00000 3 -58.01834 -174.05503 4 5.31955 21.27818 5 -76.93120 -384.65599 6 -1329.62892 -7977.77350 7 51922.42808 363456.99653 8 462541.08986 3700328.71884 9 -13615779.03057 -122542011.27511 10 -158333898.71689 -1583338987.16888 11:44:01 Average Polynomial Coefficients Over Several Measurements Polynomial Order = 8 VTn_ave VTn_rms # (Vs/m^#) (Vs/m^#) ------- ------------ ------------ 0 0.00000 0.00000 1 -18.95016 0.00013 2 3.17359 0.02235 3 -56.32851 2.18134 4 -1738.61443 9.77008 5 90699.03610 1905.20021 6 913097.25515 8830.97247 7 -52943044.27128 408995.04630 8 -779864530.39235 4345519.44520 11:44:01 Average of ALn and BLm Polynomial Coefficients Over Several Measurements Number of harmonics = 10 ALn_ave ALn_rms BLn_ave BLn_rms # (Tm^2/m^#) (Tm^2/m^#) (Tm/m^#) (Tm/m^#) ------- ------------ ------------ ------------ ------------ 1 0.00000 0.00000 0.00000 0.00000 2 0.00000 0.00000 0.00000 0.00000 3 -58.01927 0.00092 -174.05780 0.00277 4 5.28369 0.03586 21.13475 0.14343 5 -74.49385 2.43735 -372.46925 12.18673 6 -1325.89954 3.72938 -7955.39725 22.37625 7 51001.45311 920.97496 357010.17179 6446.82474 8 466367.94262 3826.85277 3730943.54098 30614.82214 9 -13511400.89908 104378.13149 -121602608.09173 939403.18338 10 -159221102.02977 887203.31288 -1592211020.29766 8872033.12880 11:44:18 Magnet current ramping to 0.0000 A...