DC Generators _____ together are called stray losses. Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
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