SLAC Magnetic Measurements Date: 08-25-2000 Time: 17:43:05 Project: spear3 Magnet Type: gdipole Magnet Name: proto Serial Number: Run Number: 28 Measurement Device: coil 2 Operator: zw Comment: single coil Standardization: 1 cycles from 0.0 A to 770.0 A to 0.0 A Test Currents (A): 630.0 17:43:14 Initial Zero Current Measurement, Imag_zero = 0.0000 A 17:43:14 Magnet current ramping to 20.0000 A... 17:44:08 Magnet current ramping to 770.0000 A... 17:45:59 Magnet current ramping to 0.0000 A... 17:47:52 Magnet current ramping to 630.0000 A... 17:49:32 Magnet Current, Imag = 635.5840 A Vtrans = 6.355840 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:49:33 Magnet Current, Imag = 635.6250 A Vtrans = 6.356250 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:49:35 Magnet Current, Imag = 635.6770 A Vtrans = 6.356770 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:49:37 Magnet Current, Imag = 635.6750 A Vtrans = 6.356750 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:49:37 Magnet Current Measurement: Imag = 635.6402 +- 0.0386 A 17:50:30 Integrated Voltage Measurement X0 = -0.050000 (m), Delta X = 0.100000 (m), Num_Samp = 200 17:51:06 Integrated Voltage Measurement X0 = 0.050000 (m), Delta X = -0.100000 (m), Num_Samp = 200 17:51:06 BLscan_get_VT just finished a forward and reverse measurement 17:51:06 Polynomial Coefficient Calculation Polynomial Order = 9 Coeff # (Vs) ------- ------------ 0 -0.95081 1 -0.95665 2 0.00648 3 0.00711 4 -0.00763 5 -0.01890 6 0.00802 7 0.03067 8 -0.01425 9 -0.02091 17:51:06 M matrix for the single coil 3.861e+00 0.000e+00 3.597e-02 0.000e+00 3.351e-04 0.000e+00 3.122e-06 0.000e+00 2.908e-08 0.000e+00 3.861e+00 0.000e+00 7.194e-02 0.000e+00 1.005e-03 0.000e+00 1.249e-05 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 1.199e-01 0.000e+00 2.346e-03 0.000e+00 3.746e-05 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 1.798e-01 0.000e+00 4.691e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 2.518e-01 0.000e+00 8.444e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 3.357e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 4.316e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 17:51:06 invM matrix 2.590e-01 0.000e+00 -2.413e-03 0.000e+00 5.245e-05 0.000e+00 -2.164e-06 0.000e+00 1.487e-07 0.000e+00 2.590e-01 0.000e+00 -4.826e-03 0.000e+00 1.574e-04 0.000e+00 -8.656e-06 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -8.043e-03 0.000e+00 3.672e-04 0.000e+00 -2.597e-05 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -1.206e-02 0.000e+00 7.343e-04 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -1.689e-02 0.000e+00 1.322e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -2.252e-02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -2.896e-02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 17:51:06 BL vs X Polynomial Coefficient Calculation BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m Number of harmonics = 10 Nturns per coil = 400 D1 = 0.011379 D0 = 0.001727 BLn # (Tm) ------- ------------ 1 0.00000 2 -0.24780 3 0.00172 4 0.00201 5 -0.00208 6 -0.00544 7 0.00240 8 0.00855 9 -0.00369 10 -0.00542 17:51:42 Integrated Voltage Measurement X0 = -0.050000 (m), Delta X = 0.100000 (m), Num_Samp = 200 17:52:18 Integrated Voltage Measurement X0 = 0.050000 (m), Delta X = -0.100000 (m), Num_Samp = 200 17:52:19 BLscan_get_VT just finished a forward and reverse measurement 17:52:19 Polynomial Coefficient Calculation Polynomial Order = 9 Coeff # (Vs) ------- ------------ 0 -0.95167 1 -0.95671 2 0.00535 3 0.00867 4 -0.00054 5 -0.02457 6 -0.00592 7 0.03840 8 -0.00593 9 -0.02452 17:52:19 M matrix for the single coil 3.861e+00 0.000e+00 3.597e-02 0.000e+00 3.351e-04 0.000e+00 3.122e-06 0.000e+00 2.908e-08 0.000e+00 3.861e+00 0.000e+00 7.194e-02 0.000e+00 1.005e-03 0.000e+00 1.249e-05 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 1.199e-01 0.000e+00 2.346e-03 0.000e+00 3.746e-05 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 1.798e-01 0.000e+00 4.691e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 2.518e-01 0.000e+00 8.444e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 3.357e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 4.316e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 3.861e+00 17:52:19 invM matrix 2.590e-01 0.000e+00 -2.413e-03 0.000e+00 5.245e-05 0.000e+00 -2.164e-06 0.000e+00 1.487e-07 0.000e+00 2.590e-01 0.000e+00 -4.826e-03 0.000e+00 1.574e-04 0.000e+00 -8.656e-06 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -8.043e-03 0.000e+00 3.672e-04 0.000e+00 -2.597e-05 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -1.206e-02 0.000e+00 7.343e-04 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -1.689e-02 0.000e+00 1.322e-03 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -2.252e-02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 -2.896e-02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 2.590e-01 17:52:19 BL vs X Polynomial Coefficient Calculation BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m Number of harmonics = 10 Nturns per coil = 400 D1 = 0.011379 D0 = 0.001727 BLn # (Tm) ------- ------------ 1 0.00000 2 -0.24782 3 0.00139 4 0.00246 5 -0.00007 6 -0.00705 7 -0.00140 8 0.01066 9 -0.00153 10 -0.00635 17:52:37 Average Polynomial Coefficients Over Several Measurements VT(x) = VT0 + VT1*(x/R0) + ... + VTn*(x/R0)^n (Vs) R0 = 0.050000 m Polynomial Order = 9 VTn_ave VTn_rms # (Vs/m^#) (Vs/m^#) ------- ------------ ------------ 0 0.000000 0.000000 1 -0.956683 0.000030 2 0.005915 0.000569 3 0.007892 0.000783 4 -0.004086 0.003542 5 -0.021737 0.002837 6 0.001052 0.006967 7 0.034536 0.003866 8 -0.010090 0.004165 9 -0.022716 0.001808 17:52:37 Average of BLn Polynomial Coefficients Over Several Measurements BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m Number of harmonics = 10 BLn_ave BLn_rms # (Tm) (Tm) ------- ------------ ------------ 1 0.000000 0.000000 2 -0.247814 0.000010 3 0.001552 0.000166 4 0.002232 0.000227 5 -0.001078 0.001005 6 -0.006243 0.000802 7 0.000500 0.001898 8 0.009603 0.001054 9 -0.002613 0.001079 10 -0.005884 0.000468 17:52:38 Magnet current ramping to 0.0000 A...