Xd, X 'd and X "d are steady stated-axis synchronous reactances, transient d-axis reactance and sub-transient d-reactance of a synchronous machine respectively. Which of the following statement is true?

Xd, X 'd and X "d are steady stated-axis synchronous reactances, trans

1.	Xd, X 'd and X "d are steady stated-axis synchronous reactances, transient d-axis reactance and sub-transient d-reactance of a synchronous machine respectively. Which of the following statement is true?
A.	Xd > X'd > X"d
B.	X"d > X'd > Xd
C.	X'd > X"d > Xd
D.	Xd > X"d > X'd
Answer» B. X"d > X'd > Xd

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Xd, X 'd and X "d are steady stated-axis synchronous reactances, transient d-axis reactance and sub-transient d-reactance of a synchronous machine respectively. Which of the following statement is true?

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