1. Cel ćwiczenia.
Celem ćwiczenia było zapoznanie się ze sposobami pomiaru mocy czynnej w przypadkach przesyłu mocy przy pomocy wielu przewodów.
2. Schematy pomiarowe.
a) Układ Arona
b) Układ z trzema watomierzami
3. Tabele pomiarowe.
b) Układ Arona
P1 |
P2 |
J1 |
J2 |
J3 |
U1 |
U2 |
U3 |
|
[W] |
[W] |
[A] |
[A] |
[A] |
[V] |
[V] |
[V] |
|
720 |
780 |
2.35 |
2.30 |
2.35 |
|
220 |
|
3 przew |
0 |
770 |
0.00 |
2.00 |
2.00 |
|
|
|
rozw. |
400 |
390 |
2.05 |
0.00 |
2.05 |
|
220 |
|
na |
750 |
0.00 |
2.00 |
1.95 |
0.00 |
|
|
|
zasil. |
0 |
760 |
0 |
2.00 |
2.00 |
|
|
|
rozw. |
400 |
390 |
2.05 |
0.00 |
2.05 |
|
220 |
|
na |
750 |
0 |
2.00 |
2.00 |
0 |
|
|
|
odbiorn. |
b) Układ z trzema watomierzami
P1 |
P2 |
P3 |
J1 |
J2 |
J3 |
U1 |
U2 |
U3 |
|
[W] |
[W] |
[W] |
[A] |
[A] |
[A] |
[V] |
[V] |
[V] |
|
510 |
500 |
520 |
2.35 |
2.25 |
2.35 |
|
220 |
|
3 przew |
0 |
380 |
380 |
0.00 |
2.00 |
2.00 |
|
|
|
rozw. |
390 |
0 |
390 |
2.05 |
0.00 |
2.05 |
|
220 |
|
na |
380 |
380 |
0 |
2.00 |
2.00 |
0.00 |
|
|
|
zasil. |
0 |
380 |
380 |
0.00 |
2.00 |
2.00 |
|
|
|
rozw. |
400 |
0 |
400 |
2.05 |
0.00 |
2.05 |
|
220 |
|
na |
380 |
380 |
0 |
2.00 |
2.00 |
0.00 |
|
|
|
odbiorn. |
4. Przyrządy pomiarowe.
Watomierze P-46 , P-23 , P- kl=0.5 zakr- 2.5A * 400V
Amperomierze P-14 , P-296,P-533 kl=0.5 zakr- 2.5 A
Woltomierze kl=0.5
6. Wnioski.
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