#### Course Details

Subject {L-T-P / C} : EE3100 : Power Systems Operation and Control {3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Ananyo Sengupta

#### Syllabus

Load Flow Analysis: Network equation, Power Flow problem, Gauss-Seidel method, Newton-Raphson method, Decoupled method, Fast Decoupled method.
Power System Fault Analysis: Balanced Fault, Fault analysis using Z-bus matrix, Z-bus matrix building algorithm Symmetrical Component and Unbalanced fault, Sequence impedances of load, transmission lines, transformer and generator, Unbalanced Fault analysis using sequence impedance matrices, Single-line-to-ground fault, Line-to-line fault, Double-line-to-ground fault analysis.
Power System Stability: Swing Equation of synchronous machine, Steady-state stability – small disturbances, Transient stability analysis – Equal Area criterion, Application of equal area criterion to sudden increase in power input and to three-phase fault Numerical solution of nonlinear equation, Numerical solution of swing equation, Transient stability analysis of a multi-machine power system.
Optimal Dispatch of Generation: Operating cost of a thermal plant, Economic Dispatch problem, Unconstrained and constrained optimization technique, Economic dispatch neglecting losses, Kron’s loss formula, Economic dispatch including losses.
Automatic Generation and Voltage Control: Load Frequency control, concept of control area, Proportional plus Integral control, Two-Area load frequency control, Automatic voltage control, Regulator, Exciter modelling, Generator modelling and static performance of AVR loop.

#### Course Objectives

1. 1. Steady state analysis of power system
2. Short circuit analysis of power system
3. Small-signal and large-signal analysis of power system
4. Economic dispatch of power system
5. Automatic Load Frequency analysis and Automatic Voltage Regulation of power system

#### Course Outcomes

At the end of the course, students will be able to
1. Determine steady state voltage, current and power flow in a power system using load flow analysis.
2. Determine short circuit current and voltage in a system for both balanced and unbalanced faults.
3. Understand stability analysis for both small-signal and large-signal disturbances
4. Determine economic scheduling of generations in a power system to supply specific amount of demand.
5. Understand governor actions and automatic voltage regulation.