Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of r the voltmeter reads a zero?

Consider a single phase synchronous machine of cylindrical rotor type.

1.	Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of _r the voltmeter reads a zero?
A.	0
B.	30
C.	45
D.	90
Answer» E.

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Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of r the voltmeter reads a zero?

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Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of _r the voltmeter reads a zero?