DC Generators
The armature of dc generator is laminated to

Reduce the bulk
Reduce eddy current loss
Provide the bulk
Insulate the core

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DC Generators
When two D.C. generators are running in parallel an equalizer bar is used

To increase the series flux
So that the two identical machines will pass approximately equal currents to the load
To reduce the combined effect of armature reaction of both the machines
To increase the generated e.m.f.

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