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Cursul 10 [pps]
Cursul 10 [pps]
Cursul 10 [pps]
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π/3<br />
N<br />
π/18<br />
A B C<br />
Schema de conexiuni a unei<br />
masini de inductie<br />
Θ<br />
Θ<br />
s<br />
νννν<br />
s<br />
νννν<br />
s<br />
6N<br />
⎛<br />
s Ia<br />
( t,<br />
x)<br />
=<br />
pπν<br />
πν πν πν ⎜⎜<br />
⎝<br />
s<br />
6N<br />
⎛<br />
s Ia<br />
( t,<br />
x)<br />
=<br />
pπν<br />
πν πν πν ⎜⎜<br />
⎝<br />
3<br />
∑<br />
3<br />
⎛ ττττ<br />
sin νννν<br />
⎜⎜<br />
⎝ ττττ<br />
b= 1<br />
p<br />
∑<br />
⎛ ττττ<br />
sin νννν<br />
⎜⎜<br />
⎝ ττττ<br />
cb<br />
cb<br />
b= 1<br />
p<br />
Faza 2 Faza 1 Faza 3<br />
2009-20<strong>10</strong> SEM - CURS <strong>10</strong> 45<br />
Faza 2<br />
Faza 1<br />
Faza 3<br />
Distributia solenatiei<br />
ππππ ⎞⎞<br />
⎡ νπ νπ νπ νπ ⎤<br />
sin ωωωω t − x , νννν = 6k<br />
+ 1<br />
2 ⎟⎟<br />
⎟⎟<br />
⎠⎠<br />
⎢⎢<br />
⎣ ττττ p ⎥⎥<br />
⎦<br />
ππππ ⎞⎞<br />
⎡ νπ νπ νπ νπ ⎤<br />
sin ωωωω t + x , νννν = 6k<br />
− 1<br />
2 ⎟⎟<br />
⎟⎟<br />
⎠⎠<br />
⎢⎢<br />
⎣ ττττ p ⎥⎥<br />
⎦<br />
Masini electrice<br />
Armonici de spatiu ale<br />
solenatiei<br />
x
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