SLAC Magnetic Measurements Date: 04-22-1997 Time: 16:07:36 Project: PEP2INJ Magnet Type: QUAD Magnet Name (Serial #): 2Q4W-04 Bar Code Number: QMR4-9430 Test Stand: 1 Measurement System: DC100 Operator: zw Run Number: 2 Comment: remeasure after machining Standardization Currents 6 cycles, 0 to 180 to 0 A Test Currents 10.0 30.0 50.0 60.0 70.0 80.0 90.0 100.0 110.0 120.0 130.0 140.0 150.0 160.0 180.0 150.0 100.0 50.0 16:09:26 Magnet Current Ramping to 180 A... 16:11:00 Magnet Current Ramping to 2 A... 16:12:34 Magnet Current Ramping to 180 A... 16:14:08 Magnet Current Ramping to 2 A... 16:17:12 Magnet Current Ramping to 180 A... 16:18:46 Magnet Current Ramping to 2 A... 16:20:20 Magnet Current Ramping to 180 A... 16:21:54 Magnet Current Ramping to 2 A... 16:23:29 Magnet Current Ramping to 180 A... 16:25:03 Magnet Current Ramping to 2 A... 16:26:37 Magnet Current Ramping to 180 A... 16:28:11 Magnet Current Ramping to 2 A... 16:29:45 Magnet Current Ramping to 10 A... 16:30:30 Magnet Current Measurement... 16:30:32 Magnet Current, Imag = 9.98265 A 16:30:34 Magnet Current, Imag = 9.9826 A 16:30:36 Magnet Current, Imag = 9.98259 A 16:30:38 Magnet Current, Imag = 9.9826 A 16:30:38 Magnet Current Measurement: Imag = 9.98261 +- 2.338447E-05 A 16:30:38 Magnet Strength Measurement... 16:30:41 Coil Rotation Frequency, Fcoil = 5.874991 Hz 16:30:45 Coil Rotation Frequency, Fcoil = 5.875264 Hz 16:31:03 Coil Voltage Measurement Made 16:31:07 Coil Rotation Frequency, Fcoil = 5.876319 Hz 16:31:07 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.875525 Hz, V2 = .1250313 V GL = .1564589 T 16:31:10 Coil Rotation Frequency, Fcoil = 5.876203 Hz 16:31:15 Coil Rotation Frequency, Fcoil = 5.875164 Hz 16:31:33 Coil Voltage Measurement Made 16:31:37 Coil Rotation Frequency, Fcoil = 5.874729 Hz 16:31:37 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.875365 Hz, V2 = .1250213 V GL = .1564507 T 16:31:40 Coil Rotation Frequency, Fcoil = 5.874467 Hz 16:31:44 Coil Rotation Frequency, Fcoil = 5.873391 Hz 16:32:02 Coil Voltage Measurement Made 16:32:06 Coil Rotation Frequency, Fcoil = 5.874774 Hz 16:32:06 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.87421 Hz, V2 = .1250284 V GL = .1564904 T 16:32:10 Coil Rotation Frequency, Fcoil = 5.874796 Hz 16:32:14 Coil Rotation Frequency, Fcoil = 5.875041 Hz 16:32:32 Coil Voltage Measurement Made 16:32:36 Coil Rotation Frequency, Fcoil = 5.876397 Hz 16:32:36 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.875412 Hz, V2 = .1250102 V GL = .1564355 T 16:32:36 Average Integrated Gradient: GL = .1564589 +- 2.003096E-05 T 16:32:36 Magnet Current Ramping to 30 A... 16:33:32 Magnet Current Measurement... 16:33:34 Magnet Current, Imag = 30.0365 A 16:33:35 Magnet Current, Imag = 30.0366 A 16:33:37 Magnet Current, Imag = 30.0366 A 16:33:38 Magnet Current, Imag = 30.0365 A 16:33:38 Magnet Current Measurement: Imag = 30.03655 +- 5.055374E-05 A 16:33:38 Magnet Strength Measurement... 16:33:41 Coil Rotation Frequency, Fcoil = 5.875605 Hz 16:33:45 Coil Rotation Frequency, Fcoil = 5.876057 Hz 16:34:03 Coil Voltage Measurement Made 16:34:07 Coil Rotation Frequency, Fcoil = 5.874696 Hz 16:34:07 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.875453 Hz, V2 = .3615755 V GL = .452466 T 16:34:11 Coil Rotation Frequency, Fcoil = 5.874612 Hz 16:34:15 Coil Rotation Frequency, Fcoil = 5.873887 Hz 16:34:33 Coil Voltage Measurement Made 16:34:37 Coil Rotation Frequency, Fcoil = 5.874138 Hz 16:34:37 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.874212 Hz, V2 = .3616046 V GL = .4525979 T 16:34:40 Coil Rotation Frequency, Fcoil = 5.874467 Hz 16:34:44 Coil Rotation Frequency, Fcoil = 5.874377 Hz 16:35:03 Coil Voltage Measurement Made 16:35:06 Coil Rotation Frequency, Fcoil = 5.874389 Hz 16:35:06 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.874411 Hz, V2 = .3615955 V GL = .4525712 T 16:35:10 Coil Rotation Frequency, Fcoil = 5.874578 Hz 16:35:14 Coil Rotation Frequency, Fcoil = 5.875655 Hz 16:35:32 Coil Voltage Measurement Made 16:35:36 Coil Rotation Frequency, Fcoil = 5.875198 Hz 16:35:36 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.875144 Hz, V2 = .3616289 V GL = .4525567 T 16:35:36 Average Integrated Gradient: GL = .452548 +- 4.957249E-05 T 16:35:36 Magnet Current Ramping to 50 A... 16:36:32 Magnet Current Measurement... 16:36:34 Magnet Current, Imag = 50.0045 A 16:36:35 Magnet Current, Imag = 50.0045 A 16:36:37 Magnet Current, Imag = 50.0045 A 16:36:38 Magnet Current, Imag = 50.0045 A 16:36:38 Magnet Current Measurement: Imag = 50.0045 +- 0 A 16:36:38 Magnet Strength Measurement... 16:36:41 Coil Rotation Frequency, Fcoil = 5.875917 Hz 16:36:45 Coil Rotation Frequency, Fcoil = 5.875678 Hz 16:37:03 Coil Voltage Measurement Made 16:37:07 Coil Rotation Frequency, Fcoil = 5.875326 Hz 16:37:07 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.87564 Hz, V2 = .6001678 V GL = .75101 T 16:37:11 Coil Rotation Frequency, Fcoil = 5.875131 Hz 16:37:15 Coil Rotation Frequency, Fcoil = 5.875187 Hz 16:37:33 Coil Voltage Measurement Made 16:37:37 Coil Rotation Frequency, Fcoil = 5.874332 Hz 16:37:37 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.874883 Hz, V2 = .600167 V GL = .7511059 T 16:37:40 Coil Rotation Frequency, Fcoil = 5.874082 Hz 16:37:44 Coil Rotation Frequency, Fcoil = 5.873558 Hz 16:38:02 Coil Voltage Measurement Made 16:38:06 Coil Rotation Frequency, Fcoil = 5.873937 Hz 16:38:06 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.873859 Hz, V2 = .6001527 V GL = .7512189 T 16:38:09 Coil Rotation Frequency, Fcoil = 5.874227 Hz 16:38:14 Coil Rotation Frequency, Fcoil = 5.874634 Hz 16:38:32 Coil Voltage Measurement Made 16:38:36 Coil Rotation Frequency, Fcoil = 5.875728 Hz 16:38:36 Integrated Gradient Measurement: CoilConst = 46.1964 1/m^2, Fcoil = 5.874863 Hz, V2 = .6002235 V GL = .7511792 T 16:38:36 Average Integrated Gradient: GL = .7511286 +- 7.952964E-05 T 16:38:36 Harmonics Measurement... 16:38:39 Coil Rotation Frequency, Fcoil = 5.875215 Hz 16:38:43 Coil Rotation Frequency, Fcoil = 5.875762 Hz 16:39:01 Coil Voltage Measurement Made 16:39:05 Coil Rotation Frequency, Fcoil = 5.873307 Hz 16:39:05 FIELD HARMONICS CALCULATION Coil Radius, Rcoil = .0189973 m # Turns, Nturns = 30 Coil Rotation Frequency, Fcoil = 5.874761 Hz n Vm Vp BLn THspole (V) (deg) (Tm) (deg) --- ----------- ------- ----------- ------- 1 0.00105429 2.16 0.00005012 -2.16 2 0.29903388 58.49 0.01421468 -29.24 3 0.00064093 -76.79 0.00003047 25.60 4 0.00060374 20.27 0.00002870 -5.07 5 0.00004079 -1.41 0.00000194 0.28 6 0.00041654 -179.85 0.00001980 29.98 7 0.00005369 129.19 0.00000255 -18.46 8 0.00004835 32.76 0.00000230 -4.09 9 0.00006437 58.51 0.00000306 -6.50 10 0.00058992 112.66 0.00002804 -11.27 11 0.00001043 -109.11 0.00000050 9.92 12 0.00001667 -55.67 0.00000079 4.64 13 0.00001615 -45.04 0.00000077 3.46 14 0.00011240 48.96 0.00000534 -3.50 15 0.00000514 -83.94 0.00000024 5.60 16 0.00000454 -3.89 0.00000022 0.24 16:39:08 Coil Rotation Frequency, Fcoil = 5.873502 Hz 16:39:13 Coil Rotation Frequency, Fcoil = 5.87363 Hz 16:39:31 Coil Voltage Measurement Made 16:39:35 Coil Rotation Frequency, Fcoil = 5.874478 Hz 16:39:35 FIELD HARMONICS CALCULATION Coil Radius, Rcoil = .0189973 m # Turns, Nturns = 30 Coil Rotation Frequency, Fcoil = 5.87387 Hz n Vm Vp BLn THspole (V) (deg) (Tm) (deg) --- ----------- ------- ----------- ------- 1 0.00105375 2.25 0.00005010 -2.25 2 0.29896587 58.48 0.01421361 -29.24 3 0.00063085 -76.61 0.00002999 25.54 4 0.00060441 21.04 0.00002873 -5.26 5 0.00004321 -8.56 0.00000205 1.71 6 0.00038801 -172.88 0.00001845 28.81 7 0.00006323 151.33 0.00000301 -21.62 8 0.00010487 2.34 0.00000499 -0.29 9 0.00010136 64.55 0.00000482 -7.17 10 0.00058698 113.05 0.00002791 -11.31 11 0.00001239 -137.65 0.00000059 12.51 12 0.00001132 -68.98 0.00000054 5.75 13 0.00001389 -32.71 0.00000066 2.52 14 0.00011407 49.13 0.00000542 -3.51 15 0.00000327 -105.27 0.00000016 7.02 16 0.00000616 58.24 0.00000029 -3.64 16:39:38 Coil Rotation Frequency, Fcoil = 5.8743 Hz 16:39:42 Coil Rotation Frequency, Fcoil = 5.875276 Hz 16:40:00 Coil Voltage Measurement Made 16:40:04 Coil Rotation Frequency, Fcoil = 5.87411 Hz 16:40:04 FIELD HARMONICS CALCULATION Coil Radius, Rcoil = .0189973 m # Turns, Nturns = 30 Coil Rotation Frequency, Fcoil = 5.874562 Hz n Vm Vp BLn THspole (V) (deg) (Tm) (deg) --- ----------- ------- ----------- ------- 1 0.00106961 1.36 0.00005085 -1.36 2 0.29904965 58.48 0.01421592 -29.24 3 0.00061762 -76.26 0.00002936 25.42 4 0.00061622 22.15 0.00002929 -5.54 5 0.00003947 -8.76 0.00000188 1.75 6 0.00038878 -178.22 0.00001848 29.70 7 0.00004287 146.93 0.00000204 -20.99 8 0.00012004 37.63 0.00000571 -4.70 9 0.00007638 88.06 0.00000363 -9.78 10 0.00058258 112.87 0.00002769 -11.29 11 0.00001079 -123.49 0.00000051 11.23 12 0.00000912 -113.54 0.00000043 9.46 13 0.00001014 -79.66 0.00000048 6.13 14 0.00011526 49.85 0.00000548 -3.56 15 0.00000418 -88.95 0.00000020 5.93 16 0.00000298 79.42 0.00000014 -4.96 16:40:07 Coil Rotation Frequency, Fcoil = 5.873854 Hz 16:40:12 Coil Rotation Frequency, Fcoil = 5.873485 Hz 16:40:30 Coil Voltage Measurement Made 16:40:34 Coil Rotation Frequency, Fcoil = 5.87464 Hz 16:40:34 FIELD HARMONICS CALCULATION Coil Radius, Rcoil = .0189973 m # Turns, Nturns = 30 Coil Rotation Frequency, Fcoil = 5.873993 Hz n Vm Vp BLn THspole (V) (deg) (Tm) (deg) --- ----------- ------- ----------- ------- 1 0.00106111 2.42 0.00005045 -2.42 2 0.29898012 58.48 0.01421399 -29.24 3 0.00062450 -73.08 0.00002969 24.36 4 0.00063844 20.64 0.00003035 -5.16 5 0.00005799 -7.48 0.00000276 1.50 6 0.00039107 -177.76 0.00001859 29.63 7 0.00006229 119.01 0.00000296 -17.00 8 0.00014931 27.03 0.00000710 -3.38 9 0.00007621 72.15 0.00000362 -8.02 10 0.00057119 113.42 0.00002716 -11.34 11 0.00001132 -90.12 0.00000054 8.19 12 0.00000947 -87.63 0.00000045 7.30 13 0.00001703 -61.29 0.00000081 4.71 14 0.00011423 48.83 0.00000543 -3.49 15 0.00000258 -8.67 0.00000012 0.58 16 0.00002227 89.00 0.00000106 -5.56 16:40:34 AVERAGE FIELD HARMONICS Harmonics at Rcoil = .0189973 m n BLn sigBLn THspole sigTH (Tm) (Tm) (deg) (deg) --- --------+-------- --------+-------- 1 0.00005 0.00000 -2.05 0.41 2 0.01421 0.00000 -29.24 0.00 3 0.00003 0.00000 25.23 0.50 4 0.00003 0.00000 -5.26 0.18 5 0.00000 0.00000 1.31 0.60 6 0.00002 0.00000 29.53 0.43 7 0.00000 0.00000 -19.52 1.87 8 0.00001 0.00000 -3.12 1.70 9 0.00000 0.00000 -7.87 1.23 10 0.00003 0.00000 -11.30 0.03 11 0.00000 0.00000 10.46 1.60 12 0.00000 0.00000 6.79 1.81 13 0.00000 0.00000 4.21 1.36 14 0.00001 0.00000 -3.51 0.03 15 0.00000 0.00000 4.78 2.48 16 0.00000 0.00000 -3.48 2.26