Cell
5
|
32mm
boring 471 mm from top of magnet @
commutator: positive B direction: top to bottom |
B = a *I + b *I^3 + g
*I^5;
a= 0.89542; b= 1.05986E-6; g= 9.12761E-11 (B in Tesla; I in
kA)
I (kA) |
B(T) |
|
I (kA) |
B(T) |
0.5 |
0.44771 |
|
19.0 |
17.02048 |
1.0 |
0.89542 |
|
19.5 |
17.46881 |
1.5 |
1.34313 |
|
20.0 |
17.91717 |
2.0 |
1.79085 |
|
20.5 |
18.36557 |
2.5 |
2.23857 |
|
21.0 |
18.81401 |
3.0 |
2.68629 |
|
21.5 |
19.26248 |
3.5 |
3.13402 |
|
22.0 |
19.71100 |
4.0 |
3.58175 |
|
22.5 |
20.15955 |
4.5 |
4.02949 |
|
23.0 |
20.60814 |
5.0 |
4.47723 |
|
23.5 |
21.05678 |
5.5 |
4.92499 |
|
24.0 |
21.50546 |
6.0 |
5.37275 |
|
24.5 |
21.95418 |
6.5 |
5.82052 |
|
25.0 |
22.40295 |
7.0 |
6.26831 |
|
25.5 |
22.85177 |
7.5 |
6.71610 |
|
26.0 |
23.30063 |
8.0 |
7.16391 |
|
26.5 |
23.74955 |
8.5 |
7.61172 |
|
27.0 |
24.19851 |
9.0 |
8.05956 |
|
27.5 |
24.64753 |
9.5 |
8.50741 |
|
28.0 |
25.09660 |
10.0 |
8.95527 |
|
28.5 |
25.54572 |
10.5 |
9.40315 |
|
29.0 |
25.99490 |
11.0 |
9.85105 |
|
29.5 |
26.44414 |
11.5 |
10.29896 |
|
30.0 |
26.89343 |
12.0 |
10.74689 |
|
30.5 |
27.34279 |
12.5 |
11.19485 |
|
31.0 |
27.79221 |
13.0 |
11.64282 |
|
31.5 |
28.24169 |
13.5 |
12.09082 |
|
32.0 |
28.69123 |
14.0 |
12.53884 |
|
32.5 |
29.14084 |
14.5 |
12.98688 |
|
33.0 |
29.59052 |
15.0 |
13.43495 |
|
33.5 |
30.04027 |
15.5 |
13.88304 |
|
34.0 |
30.49008 |
16.0 |
14.33116 |
|
34.5 |
30.93997 |
16.5 |
14.77930 |
|
35.0 |
31.38994 |
17.0 |
15.22748 |
|
35.5 |
31.83997 |
17.5 |
15.67568 |
|
36.0 |
32.29009 |
18.0 |
16.12391 |
|
36.5 |
32.74028 |
18.5 |
16.57218 |
|
37.0 |
33.19055 |
|
32mm
boring 471 mm from top of magnet @
commutator: positive B direction: top to bottom |
Equation:
I = a1*B +
a3*B^3 + a5*B^5
a1= 1.11679; a3 =--1.6488E-6; a5 = -1.67311E-10 (B in Tesla; I in kA)
B(T) |
I (kA) |
|
B(T) |
I (kA) |
0.5 |
0.55839 |
|
17.0 |
18.97709 |
1.0 |
1.11679 |
|
17.5 |
19.53471 |
1.5 |
1.67518 |
|
18.0 |
20.09229 |
2.0 |
2.23357 |
|
18.5 |
20.64981 |
2.5 |
2.79195 |
|
19.0 |
21.20729 |
3.0 |
3.35033 |
|
19.5 |
21.76471 |
3.5 |
3.90869 |
|
20.0 |
22.32207 |
4.0 |
4.46705 |
|
20.5 |
22.87938 |
4.5 |
5.02540 |
|
21.0 |
23.43664 |
5.0 |
5.58374 |
|
21.5 |
23.99383 |
5.5 |
6.14207 |
|
22.0 |
24.55096 |
6.0 |
6.70038 |
|
22.5 |
25.10803 |
6.5 |
7.25868 |
|
23.0 |
25.66503 |
7.0 |
7.81696 |
|
23.5 |
26.22197 |
7.5 |
8.37523 |
|
24.0 |
26.77883 |
8.0 |
8.93347 |
|
24.5 |
27.33563 |
8.5 |
9.49170 |
|
25.0 |
27.89235 |
9.0 |
10.04990 |
|
25.5 |
28.44900 |
9.5 |
10.60808 |
|
26.0 |
29.00557 |
10.0 |
11.16623 |
|
26.5 |
29.56206 |
10.5 |
11.72436 |
|
27.0 |
30.11848 |
11.0 |
12.28247 |
|
27.5 |
30.67480 |
11.5 |
12.84054 |
|
28.0 |
31.23105 |
12.0 |
13.39859 |
|
28.5 |
31.78720 |
12.5 |
13.95660 |
|
29.0 |
32.34327 |
13.0 |
14.51459 |
|
29.5 |
32.89924 |
13.5 |
15.07253 |
|
30.0 |
33.45512 |
14.0 |
15.63045 |
|
30.5 |
34.01090 |
14.5 |
16.18832 |
|
31.0 |
34.56658 |
15.0 |
16.74616 |
|
31.5 |
35.12216 |
15.5 |
17.30396 |
|
32.0 |
35.67764 |
16.0 |
17.86171 |
|
32.5 |
36.23301 |
16.5 |
18.41942 |
|
33.0 |
36.78827 |
Profile measurement at I
magnet= 9kA
Field center: 471 mm; Field
maximum: =8.02657 T
Equation: y=a0+a2*(x-c)^2+a4*(x-c)^4+a6*(x-c)^6+a8*(x-c)^8
c= 470.9999 ; a0=8.02657
a2=-2.70318E-4 ;a4=-1.21373E-7;a6=1.95296E-11; a8=-8.56348E-16
Position (mm) |
B(Tesla) at 9kA |
372.6 |
4.23698 |
377.6 |
4.42748 |
382.3 |
4.64391 |
387.1 |
4.83296 |
392.1 |
5.05142 |
397.3 |
5.30396 |
402.6 |
5.65269 |
407.3 |
5.98606 |
412.3 |
6.38934 |
417.6 |
6.72985 |
422.4 |
7.00239 |
427.2 |
7.20025 |
432.1 |
7.36923 |
437.2 |
7.52892 |
442.6 |
7.69363 |
447.3 |
7.81251 |
452.3 |
7.92142 |
457.6 |
7.98902 |
462.4 |
8.02856 |
467.3 |
8.04525 |
472.1 |
8.04952 |
477.2 |
8.03974 |
482.6 |
8.00516 |
487.3 |
7.95153 |
492.3 |
7.85830 |
497.6 |
7.74126 |
502.4 |
7.60445 |
507.1 |
7.47851 |
512.0 |
7.32543 |
517.1 |
7.11727 |
522.5 |
6.83412 |
527.3 |
6.51894 |
532.4 |
6.13300 |
537.6 |
5.77795 |
542.5 |
5.44951 |
547.2 |
5.21263 |
552.0 |
4.98989 |
557.2 |
4.76448 |
562.5 |
4.50690 |
567.3 |
4.30264 |
572.3 |
4.07982 |