Laboratorium Metrologii
Protokół do ćw. nr 35
Temat: Wspomagane komputerowo próbkujące pomiary prądy, napięcia, mocy i energii.
Wyznaczanie błędów pomiaru mocy w funkcji mierzonego prądu
Tabela pomiarowa 1:
|
|
Pomiary odczytane z PC |
|
|
Miernik analogowy |
Licznik energii |
||
lp |
Tx [s] |
I, A |
U, V |
Q, Var |
P, W |
S, VA |
P, W |
PL, W |
1 |
|
|
|
|
|
|
|
|
2 |
|
|
|
|
|
|
|
|
3 |
|
|
|
|
|
|
|
|
4 |
|
|
|
|
|
|
|
|
5 |
|
|
|
|
|
|
|
|
6 |
|
|
|
|
|
|
|
|
7 |
|
|
|
|
|
|
|
|
8 |
|
|
|
|
|
|
|
|
Wyznaczanie błędów pomiaru mocy w funkcji kąta fazowego
Tabela pomiarowa 2:
miernik cyfrowy |
miernik analogowy |
|||||||||
l. próbek |
φ |
cosφ |
I, A |
U, V |
Q, Var |
P, W |
S, VA |
U, V |
I, A |
P, W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Wyznaczanie błędów pomiaru mocy w funkcji czasu próbkowania.
Tabela pomiarowa 3:
liczba próbek |
cosφ |
I, A |
U, V |
P, W |
Q, Var |
S, VA |
U, V |
I, A |
P, W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|