Power System Dynamics and Control — Summer 2023

Define power system stabilizer.

Explain in the types of load models used in power system

aMneanlytisoisn. the transformation matrix used and corresponding assumptions for Park’s transformation. Describe the significance of Park’s transformation.

Draw the systematic diagram for 3-phase synchronous machine.

Explain three- Damper wiring model with figure.

Give a classification of load models used in power system analysis. Briefly explain any one load model in detail.

Draw general functional block diagram of an excitation control system and explain the function of each block.

What is meant by speed governing system?

State basic assumptions made in steady state analysis of an alternator

Briefly describe the phenomenon of Sub-Synchronous Resonance. Describe any two techniques for SSR mitigation.

Briefly explain the procedure of small signal analysis

Define the Classification of stability and Explain any one in details.

What is voltage stability? Explain with neat diagrams.

Explain classification of Bracking.

Using Part transformation derive voltage equation of synchronous machine.

Explain transmission line modeling by D-Qtransformation using α- β variables.

Explain excitation system.

Explain three- Damper wiring model with figure.

Briefly explain : Discrete Control of HVDC Links.

Explain application of Model 1.1.

Why load is consider as a constant impedance model?

Compare voltage and angle stability. How to carry out integrated analysis of the same.

Explain classification of Bracking.

Explain any one method for analysis of voltage instability.1

Briefly explain: Dynamic Braking.