Power System Operation & Control

Subject Overview
  code: EE01U6601
  Level: Under Graduate
  School/Faculty: ELECTRICAL
  Semester Offered: VI
  Credit Value: 4
  Subject Queries: 0863-2118305
  Prerequisites: ---

Objectives

The course discusses some very important aspects of power system operation like economic operation with the objective of minimizing the cost of generation, power- frequency control, reactive power control and voltage stability.

Syllabus

Unit

Details of the Unit

No.of Teaching Hours

Reference Book No.s

1.

Economic Operation of Power Systems: Optimal operation of Generators in Thermal Power Stations, - heat rate Curve Cost Curve Incremental fuel and Production costs, input-output characteristics, Optimum generation allocation with line losses neglected. Optimum generation allocation including the effect of transmission line losses Loss Coefficients, General transmission line loss formula.

10

1,2

2.

Hydrothermal Scheduling : Optimal scheduling of Hydrothermal System: Hydroelectric power plant models, Scheduling problems-Short term Hydrothermal scheduling problem.

14

1,2

3.

Modelling of Turbine, Generator and Automatic Controllers : Modelling of Turbine: First order Turbine model, Block Diagram representation of Steam Turbines and Approximate Linear Models.
Modelling of Generator ( Steady State and Transient Models) : Description of Simplified NetworkModel of a Synchronous Machine (Classical Model), Description of Swing Equation ( No Derivation) andState-Space II-Order Mathematical Model of Synchronous Machine.
Modelling of Governor : Mathematical Modelling of Speed Governing System Derivation of small signal transfer function. Modelling of Excitation System : Fundamental Characteristics of an Excitation system, Transfer function, Block Diagram Representation of IEEE Type-1 Model

10

3,5

4.

Single Area Load Frequency Control : Necessity of keeping frequency constant. Definitions of Control area Single area control Block diagram representation of an isolated power system Steady state analysis Dynamic response Uncontrolled case.
Two-Area Load Frequency Control : Load frequency control of 2-area system uncontrolled case and controlled case, tie-line bias control

14

3,4

5.

Load Frequency Controllers : Proportional plus Integral control of single area and its block diagram representation, steady state response Load Frequency Control and Economic dispatch control.
Reactive Power Control : Overview of Reactive Power control Reactive Power compensation in transmission systems advantages and disadvantages of different types of compensating equipment for transmission systems; load compensation Specifications of load compensator, Uncompensated and compensated transmission lines: shunt and Series Compensation.

12

4,5

Reference Books

1. Electrical Power Systems by C.L.Wadhwa, Newage International-3rd Edition.
2. Modern Power System Analysis by I.J.Nagrath & D.P.Kothari Tata M Graw Hill Publishing Company Ltd, 2nd edition.
3. Power System Analysis and Design by J.Duncan Glover and M.S.Sarma., THOMPSON, 3rd Edition.
4. Electric Power systems by B.M.Weedy, B.J.Cary 4th Edition , Wiley.
5. Economic Operation of Power systems by L.K.Kirchmayer, Wiley Eastern Ltd.

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