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Compound Generator Characteristics Quiz

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Questions and Answers

What is another name for the external characteristic of a generator?

Performance characteristic or load characteristic

What does the curve AC represent in a separately excited DC generator?

On-load generated emf Eg vs. load current IL

Why is the on-load generated emf less than the no-load voltage in a DC generator?

Due to the demagnetizing effect of armature reaction

What does the curve AD represent in a DC generator?

Terminal voltage vs. load current (external characteristic) Signup and view all the answers

In a DC series generator, how is the field winding connected?

In series with armature and load Signup and view all the answers

What does the curve OC represent in a DC series generator?

Internal characteristic Signup and view all the answers

How does the terminal voltage change with load current in a DC series generator?

Increases with load current initially, then decreases beyond a certain limit Signup and view all the answers

What happens to the terminal voltage when the load current and field current increase beyond a certain limit in a DC series generator?

Terminal voltage starts decreasing Signup and view all the answers

What is the relationship between load current and field current in a DC series generator?

IL = If (load current is similar to field current) Signup and view all the answers

Why are external characteristics important in determining the suitability of a generator for a specific purpose?

To assess the performance and load characteristics Signup and view all the answers