SLAC Magnetic Measurements Date: 08-25-2000 Time: 17:24:16 Project: spear3 Magnet Type: gdipole Magnet Name: proto Serial Number: Run Number: 27 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 17:24:25 Initial Zero Current Measurement, Imag_zero = 0.0000 A 17:24:25 Magnet current ramping to 20.0000 A... 17:25:19 Magnet current ramping to 770.0000 A... 17:27:10 Magnet current ramping to 0.0000 A... 17:29:03 Magnet current ramping to 630.0000 A... 17:30:43 Magnet Current, Imag = 635.6440 A Vtrans = 6.356440 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:30:44 Magnet Current, Imag = 635.6370 A Vtrans = 6.356370 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:30:46 Magnet Current, Imag = 635.6300 A Vtrans = 6.356300 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:30:47 Magnet Current, Imag = 635.6800 A Vtrans = 6.356800 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:30:47 Magnet Current Measurement: Imag = 635.6477 +- 0.0193 A 17:31:41 Integrated Voltage Measurement X0 = -0.050000 (m), Delta X = 0.100000 (m), Num_Samp = 200 17:32:16 Integrated Voltage Measurement X0 = 0.050000 (m), Delta X = -0.100000 (m), Num_Samp = 200 17:32:17 BLscan_get_VT just finished a forward and reverse measurement 17:32:17 Polynomial Coefficient Calculation Polynomial Order = 9 Coeff # (Vs) ------- ------------ 0 -0.95114 1 -0.95663 2 0.00508 3 0.00756 4 0.00059 5 -0.02033 6 -0.00688 7 0.03237 8 -0.00596 9 -0.02162 17:32:17 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 17:32:17 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 17:32:17 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 0.00131 4 0.00213 5 0.00023 6 -0.00584 7 -0.00165 8 0.00901 9 -0.00154 10 -0.00560 17:32:53 Integrated Voltage Measurement X0 = -0.050000 (m), Delta X = 0.100000 (m), Num_Samp = 200 17:33:29 Integrated Voltage Measurement X0 = 0.050000 (m), Delta X = -0.100000 (m), Num_Samp = 200 17:33:29 BLscan_get_VT just finished a forward and reverse measurement 17:33:29 Polynomial Coefficient Calculation Polynomial Order = 9 Coeff # (Vs) ------- ------------ 0 -0.95123 1 -0.95682 2 0.00621 3 0.00861 4 -0.00602 5 -0.02312 6 0.00563 7 0.03568 8 -0.01325 9 -0.02304 17:33:30 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 17:33:30 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 17:33:30 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 -0.24785 3 0.00164 4 0.00243 5 -0.00164 6 -0.00662 7 0.00176 8 0.00991 9 -0.00343 10 -0.00597 17:33:48 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 -0.956727 0.000092 2 0.005646 0.000564 3 0.008083 0.000524 4 -0.002715 0.003306 5 -0.021728 0.001393 6 -0.000624 0.006255 7 0.034027 0.001654 8 -0.009603 0.003646 9 -0.022331 0.000707 17:33:48 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 -0.247826 0.000025 3 0.001475 0.000163 4 0.002281 0.000147 5 -0.000703 0.000935 6 -0.006232 0.000390 7 0.000055 0.001702 8 0.009460 0.000449 9 -0.002487 0.000944 10 -0.005784 0.000183 17:33:49 Magnet current ramping to 0.0000 A...