What is the property of the operator ȧ? The operator ȧ is a complex number with unitary module and 120º angle. The operator ȧ rotates any phaso...
What is the property of the operator ȧ?
The operator ȧ is a complex number with unitary module and 120º angle.
The operator ȧ rotates any phasor 120º in the direction of synchronous speed.
The figure C.1 illustrates the possible combinations of the operator ȧ.
From figure C.1, it is possible to obtain several expressions.
a) Only statements I and II are correct.
b) Only statements II and III are correct.
c) Only statements III and IV are correct.
d) All statements are correct.
The operator ȧ is a complex number with unitary module and 120º angle.
The operator ȧ rotates any phasor 120º in the direction of synchronous speed.
The figure C.1 illustrates the possible combinations of the operator ȧ.
From figure C.1, it is possible to obtain several expressions.
a) Only statements I and II are correct.
b) Only statements II and III are correct.
c) Only statements III and IV are correct.
d) All statements are correct.
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Ed 
A propriedade do operador ȧ é que ele rotaciona qualquer fasor em 120º na direção da velocidade síncrona. Portanto, a alternativa correta é a letra B) Apenas as afirmações II e III estão corretas.
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