POWER SYSTEM DYNAMICS(SYLLABUS MTECH-EPS II SEM)

UNIT-I: BASIC CONCEPTS
Power system stability states of operation and system security - system dynamics - problems
system model analysis of steady State stability and transient stability - simplified representation of
Excitation control.
UNIT-II: MODELING OF SYNCHRONOUS MACHINE
Synchronous machine - park’s Transformation-analysis of steady state performance per - unit
quantities-Equivalent circuits of synchronous machine-determination of parameters of equivalent
circuits.

UNIT-III: EXCITATION SYSTEM
Excitation system modeling-excitation systems block Diagram - system representation by state
equations- Dynamics of a synchronous generator connected to infinite bus - system model
Synchronous machine model-stator equations rotor equations - Synchronous machine model with
field circuit - one equivalent damper winding on q axis (model 1.1) - calculation of Initial
conditions.
UNIT-IV: ANALYSIS OF SINGLE MACHINE SYSTEM
Small signal analysis with block diagram - Representation Characteristic equation and application
of Routh Hurwitz criterion- synchronizing and damping torque analysis-small signal model - State
equations.
UNIT-V: APPLICATION OF POWER SYSTEM STABILIZERS
Basic concepts in applying PSS - Control signals - Structure and tuning of PSS - Washout circuit -
Dynamic compensator analysis of single machine infinite bus system with and without PSS.
TEXT BOOK:
1. K.R. PADIYAR,” Power system dynamics “- B.S. Publications.
REFERENCE BOOKS:
1. P.M. Anderson and A.A. Fouad,”Power system control and stability “,IEEE Presss
2. R. Ramanujam, “Power Systems Dynamics”- PHI Publications.