Politechnika Lubelska w Lublinie |
Laboratorium Napędu Elektrycznego Ćwiczenie: 27 |
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Kuźmiuk Ireneusz Woliński Łukasz Januszek Paweł Szukało Piotr |
Semestr: VI |
Grupa: ED 6.3 |
Rok akademicki: 2003/04 |
Badanie obcowzbudnego silnika prądu stałego . |
Data wykonania:
09-03-2004 |
Ocena: |
1. Schemat układu pomiarowego.
2. Dane znamionowe maszyn.
Silnik prądu stałego: Prądnica prądu stałego: Prądnica tachometryczna:
PN = 1,1kW PN = 1,2kW UN = 300V
UN = 220V UN = 230V nN = 3000obr/min
IN = 6,7A IN = 5,2A
nN = 1450obr/min nN = 1450obr/min
IWN = 0,45A IWN = 0,37A
3. Tabele pomiarowe
Badanie otwartego układu napędowego:
|
UT |
IT |
UH |
IH |
Uω |
N |
PH |
Po |
Rth |
ΔPo |
Pw |
ω |
M |
|
[V] |
[A] |
[V] |
[A] |
[V] |
[obr/min] |
[W] |
[W] |
[Ω] |
[W] |
[W] |
[rad/s] |
[Nm] |
|
210 |
1,1 |
275 |
0 |
150 |
1500 |
0 |
106 |
|
0 |
106 |
157,05 |
0,67494 |
URS 100% |
140 |
2 |
170 |
0,9 |
97 |
970 |
153 |
58 |
4,91 |
3,9771 |
214,977 |
101,559 |
2,11677 |
|
110 |
3 |
120 |
1,6 |
72 |
720 |
192 |
40 |
4,825 |
12,352 |
244,352 |
75,384 |
3,24143 |
|
80 |
4 |
77 |
2,48 |
50 |
500 |
190,96 |
26 |
4,76 |
29,2759 |
246,236 |
52,35 |
4,70365 |
|
70 |
5 |
55 |
3,15 |
40 |
400 |
173,25 |
17 |
4,74 |
47,0327 |
237,283 |
41,88 |
5,66577 |
|
150 |
0,9 |
190 |
0 |
105 |
1050 |
0 |
65 |
|
0 |
65 |
109,935 |
0,59126 |
|
80 |
2 |
92 |
1 |
54 |
540 |
92 |
29 |
4,9 |
4,9 |
125,9 |
56,538 |
2,22682 |
URS 75% |
56 |
3 |
52 |
1,7 |
34 |
340 |
88,4 |
17,5 |
4,815 |
13,9154 |
119,815 |
35,598 |
3,36579 |
|
44 |
4 |
28 |
2,5 |
23 |
230 |
70 |
12 |
4,765 |
29,7813 |
111,781 |
24,081 |
4,64189 |
|
100 |
0,8 |
133 |
0 |
62 |
620 |
0 |
33 |
|
0 |
33 |
64,914 |
0,50836 |
URS 45% |
50 |
1,9 |
55 |
0,9 |
32 |
320 |
49,5 |
17 |
4,91 |
3,9771 |
70,4771 |
33,504 |
2,10354 |
|
36 |
2,8 |
27 |
1,6 |
18 |
180 |
43,2 |
9 |
4,825 |
12,352 |
64,552 |
18,846 |
3,42524 |
|
32 |
3,6 |
15 |
2,2 |
14 |
140 |
33 |
7 |
4,78 |
23,1352 |
63,1352 |
14,658 |
4,30722 |
|
212 |
1,1 |
280 |
0 |
152 |
1520 |
0 |
107 |
|
0 |
107 |
159,144 |
0,67235 |
UAR 100% |
212 |
2,2 |
267 |
0,85 |
150 |
1500 |
226,95 |
105 |
4,915 |
3,55109 |
335,501 |
157,05 |
2,13627 |
|
212 |
3,1 |
260 |
1,6 |
150 |
1500 |
416 |
105 |
4,825 |
12,352 |
533,352 |
157,05 |
3,39606 |
|
212 |
4,3 |
250 |
2,5 |
148 |
1480 |
625 |
103 |
4,765 |
29,7813 |
757,781 |
154,956 |
4,8903 |
|
212 |
5,8 |
238 |
3,4 |
146 |
1460 |
809,2 |
103 |
4,73 |
54,6788 |
966,879 |
152,862 |
6,32517 |
UAR 75% |
156 |
1 |
205 |
0 |
112 |
1120 |
0 |
71 |
|
0 |
71 |
117,264 |
0,60547 |
|
156 |
2 |
195 |
0,8 |
110 |
1100 |
156 |
70 |
4,93 |
3,1552 |
229,155 |
115,17 |
1,98971 |
|
156 |
3 |
190 |
1,55 |
110 |
1100 |
294,5 |
70 |
4,83 |
11,6041 |
376,104 |
115,17 |
3,26564 |
|
156 |
4,2 |
180 |
2,5 |
110 |
1100 |
450 |
70 |
4,765 |
29,7813 |
549,781 |
115,17 |
4,77365 |
UAR 45% |
112 |
0,8 |
147 |
0 |
80 |
800 |
0 |
45 |
|
0 |
45 |
83,76 |
0,53725 |
|
112 |
2 |
138 |
0,87 |
77 |
770 |
120,06 |
43 |
4,916 |
3,72092 |
166,781 |
80,619 |
2,06875 |
|
112 |
3 |
132 |
1,6 |
76 |
760 |
211,2 |
42,5 |
4,825 |
12,352 |
266,052 |
79,572 |
3,34354 |
|
112 |
4 |
125 |
2,38 |
75 |
750 |
297,5 |
42 |
4,77 |
27,0192 |
366,519 |
78,525 |
4,66755 |
|
112 |
5,2 |
118 |
3,1 |
74 |
740 |
365,8 |
41 |
4,74 |
45,5514 |
452,351 |
77,478 |
5,83845 |
Przykładowe obliczenia (zaciemniony wiersz w tabeli):
RTH - odczytane z wykresu RTH = f(IH)
ΔPO - odczytane z wykresu ΔPO = f(n).
4. Charakterystyki
Sztywność układu zamkniętego:
%
UAR 100%=2.6%
UAR 75%=2.78%
UAR 45%=6.88%
6. Wnioski
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