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maquinas de corriente alterna.pdf - Universidad Tecnológica de ...

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48 Capítulo 1. Ecuaciones<br />

Posmultiplicando por la inversa <strong>de</strong> matriz <strong>de</strong> transformación<br />

[CS] −1 = [CS] t∗ .<br />

En el caso <strong>de</strong> tres ejes (fases)<br />

⎡ ⎤<br />

[ ]<br />

1 1 1<br />

1 CS = √3 ⎣1 α α 2 ⎦,<br />

1 α 2 α 4<br />

⎡ ⎤<br />

[CS] −1 = √ 1 1 1 1<br />

⎣1 α −1 α −2 ⎦<br />

3<br />

1 α −2 α −4<br />

De acuerdo con los diagramas fasoriales para el operador α (Figura 1.36)<br />

α 1 = α 4<br />

α −2<br />

2π<br />

3<br />

2π<br />

3<br />

α 0 = α 3<br />

2π<br />

3<br />

α 2 = α 5<br />

α −1 = α −4<br />

α −3<br />

Figura 1.36: Operador fasorial.<br />

A<strong>de</strong>más<br />

don<strong>de</strong><br />

⎡ ⎤<br />

[CS] = √ 1 1 1 1<br />

⎣1 α α 2 ⎦ ,<br />

3<br />

1 α 2 α<br />

⎡ ⎤<br />

[CS] −1 = √ 1 1 1 1<br />

⎣1 α 2 α ⎦ .<br />

3<br />

1 α α 2<br />

⎡ ⎤<br />

χ α<br />

χ = ⎣χ β<br />

⎦ ,<br />

χ γ<br />

⎡ ⎤<br />

χ 0<br />

χ S = ⎣χ 1<br />

⎦ ,<br />

χ 2

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