POLITECHNIKA LUBELSKA |
LABORATORIUM METROLOGII ELEKTRYCZNEJ |
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Imię i nazwisko
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Grupa:
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Rok akad. :
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Data:
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Nr ćwiczenia: 13 |
Ocena:
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Temat: :Pomiar mocy czynnej metodami jednego, dwóch i trzech watomierzy |
2. Obciążenie symetryczne, punkt zerowy dostępny
Tabela pomiarowa
I1 |
I2 |
I3 |
U |
PW |
Po |
Qo |
S0 |
cosϕ |
ϕ |
[A] |
[A] |
[A] |
[V] |
[W] |
[W] |
[var] |
[VA] |
- |
o |
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3.Obciążenie symetryczne, punkt zerowy niedostępny, układ bezpośredni.
Tabela pomiarowa
I1 |
I2 |
I3 |
U |
PW |
Po |
Qo |
S0 |
cosϕ |
ϕ |
[A] |
[A] |
[A] |
[V] |
[W] |
[W] |
[var] |
[VA] |
- |
o |
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4.Obciążenie symetryczne, punkt zerowy niedostępny, układ półpośredni
Schemat pomiarowy:
Tabela pomiarowa
IA |
υi |
Io |
U |
PW |
Po |
Qo |
S0 |
cosϕ |
ϕ |
[A] |
--- |
[A] |
[V] |
[W |
[W] |
[var] |
[VA] |
---- |
° |
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5. Obciążenie niesymetryczne pomiar trzema watomierzami, układ półpośredni
Schemat pomiarowy:
Tabela pomiarowa :
U |
IA1 |
IA2 |
IA3 |
I1p |
I2p |
I3p |
Pw1 |
Pw2 |
Pw3 |
Po |
Qo |
So |
cosϕ |
ϕ |
[V] |
[A] |
[A] |
[A] |
[A] |
[A] |
[A] |
[W] |
[W] |
[W] |
[W] |
[var] |
[VA] |
--- |
° |
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6. Pomiar metodą dwóch watomierzy, układ pośredni (Arona).
Schemat pomiarowy
Tabela pomiarowa
I1 |
I2 |
I3 |
U1 |
U2 |
U3 |
Pw1 |
Pw2 |
Po |
Qo |
So |
cosϕ |
ϕ |
[A] |
[A] |
[A] |
[V] |
[V] |
[V] |
[W] |
[W] |
[W] |
[var] |
[V] |
---- |
° |
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ODB.
V2
W2
A2
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