Course Objective

• To learn the basic control technique involved in power system operation

• To provide a solid foundation in mathematical and engineering fundamentals required to control the governing system in turbine models

Course Outcome

Module – I (6 Hours)

Introduction, Direction of Power Flow, Voltage and Current in Balanced Three Phase Circuits, Power in Balanced Three Phase Circuits, Per- Unit Quantities, Changing the Base in Per- Unit Quantities, Node Equations, The Single Line or One Line Diagram, Impedance and Reactance Diagrams.

Module – II (6 Hours)

The Admittance Models & Network Calculations, Branch and Node Admittances, Mutually Coupled Branches in Y_bus, An Equivalent Admittance Network, Modification of Y_bus, The Network Incidence Matrix and Y_bus.

Module-III (8 Hours)

Concept of real and reactive powers, Complex power, Transmission capacity, The static load flow equations (SLFE), Definition of the load flow problem, Network model formulation, A load flow sample study, Computational aspect of the load flow problem. Gauss-Siedel and Newton Raphson method for power flow fast decoupled load flow.

Module-IV (8 Hours)

Power System Stability: Steady State Stability, Transient stability, Swing equation, Equal area criterion for stability, critical clearing angle, point by point Methods of improvement of transient stability. Voltage stability, concept, causes and counter measures, Voltage stability indices.

Module-V (6 Hours)

Economic Operation of Power System: Distribution offload between units within a plant, Transmission losses as function of plant generation, Calculation of loss coefficients, Distribution of loads between plants with special reference to steam and hydel plants, Automatic load dispatching. Optimal Power Flow.

Module-VI (6 Hours)

Symmetrical and unsymmetrical fault analysis for power system, L-G, L-L-G, three phase fault, analysis, Z bus Algorithm, Z bus method in fault analysis.

Module-VII (8 hours)

Load frequency control, PF versus QV control, Modelling of speed governing system, Division of power system into control areas, Single area control and two area control. On load tap changing transformer and block regulating transformer, effects of regulating transformers.