Question

In: Electrical Engineering

1.Draw and label a typical generator capability curve, showing the Rotor Current limit, stator current limit...

1.Draw and label a typical generator capability curve, showing the Rotor Current limit, stator current limit and the origin of the Rotor Current circle. Also include the prime mover limit.
2. Write down and explain the important formula and relevant current, voltage and Power limit. Show the correct axes of the curve. Indicate the safe operating point for the generator on the curve.

Solutions

Expert Solution

It defines the boundary within which a generator can deliver reactive power continuously without heating.

Their ratings are specified in MVA and power factor at a maximum terminal voltage.Active power delivered by generator is only limited by power delivering capability of turbine.

All the diagram and curve are drawn below and labelled properly ,the expression for limit and armature limit are also shown below.


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