Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ______. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
have nothing to do with the line frequency
B.
slightly greater than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
the same as the line frequency
D.
slightly less than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>