The main factor which leads to unstable parallel operation of flat and – McqOptions

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1.	The main factor which leads to unstable parallel operation of flat and over compounded generators is
A.	their rising voltage characteristics
B.	unequal number of turns in their series field windings
C.	unequal speed regulation of their primemovers
D.	unequal series field resistances
Answer» B. unequal number of turns in their series field windings

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