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Magnetni krogi I Magnetni krogi I Magnetni krogi I - LES

Magnetni krogi I Magnetni krogi I Magnetni krogi I - LES

Magnetni krogi I Magnetni krogi I Magnetni krogi I - LES

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Sinhronski stroj - navitja<br />

Pomen kota α e , če se rotor vrti<br />

v smeri urinega kazalca.<br />

Število utorov pod enim<br />

polom:<br />

τ p<br />

N 12<br />

= = = 6<br />

2 p 2<br />

Število utorov, ki po<br />

enim polom pripadajo<br />

eni fazi (število utorov v<br />

pasu):<br />

τ 6<br />

q =<br />

p<br />

= = 2 m 3<br />

Sinhronski stroj - navitja<br />

Pasovni faktor:<br />

Sinhronski stroj - navitja<br />

30<br />

sin<br />

⎛ αe<br />

⎞<br />

sin<br />

⎛ °<br />

2<br />

⎞<br />

⎜q<br />

⎟ ⎜ ⎟<br />

⎝ 2 ⎠ ⎝ 2<br />

f<br />

⎠<br />

p<br />

= = = 0,965926<br />

30<br />

sin<br />

⎛αe<br />

⎞<br />

2 sin<br />

⎛ °<br />

q<br />

⎞<br />

⎜ ⎟ ⎜ ⎟<br />

⎝ 2 ⎠ ⎝ 2 ⎠<br />

Faktor skrajšanja: širina tuljavice je enaka τ p , kar pomeni, da navitje<br />

ni skrajšano. Takšne tuljavice imenujemo premerske tuljavice:<br />

⎛ s ⎞ 6<br />

f sin ⎜90<br />

⎟ sin<br />

⎛<br />

90<br />

⎞<br />

s<br />

=<br />

°<br />

= ⎜ ° ⎟ = 1<br />

⎝ τ<br />

p ⎠ ⎝ 6⎠<br />

Faktor navitja:<br />

f<br />

n<br />

= fp<br />

fs<br />

= 0,965926<br />

29

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