POWER SYSTEM ANALYSIS – 2
Course Code 18EE71
CIE Marks 40
Number of Lecture Hours/Week (L: T:P) 2:2:0
SEE Marks 60
Credits 03
Exam Hours 03
Course Learning Objectives:
- To explain the formulation of network models and bus admittance matrix for solving load flow problems.
- To discuss the optimal operation of generators on a bus bar and optimum generation scheduling.
- To explain symmetrical fault analysis and algorithm for short circuit studies.
- To explain the formulation of bus impedance matrix for the use in short circuit studies on power systems.
- To explain the numerical solution of swing equation for multi-machine stability
Module-1
Network Topology: Introduction and basic definitions of Elementary graph theory Tree, cut-set, loop analysis. Formation of Incidence Matrices. Primitive network- Impedance form and admittance form, Formation of Y Bus by Singular Transformation. Ybus by Inspection Method. Illustrative examples. T1,2Click here to download Module-1
Module-2
Load Flow Studies: Introduction, Classification of buses. Power flow equation, Operating Constraints, Data for Load flow, Gauss Seidal iterative method. Illustrative examples. T1, R1Module-3
Load Flow Studies(continued) Newton-Raphson method derivation in Polar form, Fast decoupled load flow method, Flow charts of LFS methods. Comparison of Load Flow Methods. Illustrative examples. T1, R1Click here to download Module-3
Module-4
Economic Operation of Power System: Introduction and Performance curves Economic generation scheduling neglecting losses and generator limits Economic generation scheduling including generator limits and neglecting losses Economic dispatch including transmission losses Derivation of transmission loss formula. Illustrative examples.T1 Unit Commitment: Introduction, Constraints and unit commitment solution by prior list method and dynamic forward DP approach (Flow chart and Algorithm only). T3Click here to download Module-4
Module-5
Symmetrical Fault Analysis: Z Bus Formulation by Step by step building algorithm without mutual coupling between the elements by addition of link and addition of branch. Illustrative examples.Z bus Algorithm for Short Circuit Studies excluding numerical.T1 Power System Stability: Numerical Solution of Swing Equation by Point by Point method and Runge Kutta Method. Illustrative examples.Click here to download Module-5
Important Links:
1. Click here to download Previous Year Question Paper With Solutions
2. Click here to download Previous Year Question Papers (SMQs)
Course Outcomes: At the end of the course the student will be able to:
· Formulate network matrices and models for solving load flow problems.· Perform steady state power flow analysis of power systems using numerical iterative techniques.
· Solve issues of economic load dispatch and unit commitment problems.
· Analyze short circuit faults in power system networks using bus impedance matrix.
· Apply Point by Point method and Runge Kutta Method to solve Swing Equation.
Question paper pattern:
- The question paper will have ten questions.
- Each full question is for 20 marks.
- There will be 2 full questions (with a maximum of three sub-questions in one full question) from each module.
- Each full question with sub-questions will cover the contents under a module.
- Students will have to answer 5 full questions, selecting one full question from each module.
Module 2 NR Method limited to 3 bus system with one iteration for illustrative examples.
Text Books
1 Modern Power System Analysis D P Kothari, I J Nagrath McGraw Hill 4th Edition, 20112 Computer Methods in Power Systems Analysis Glenn W. Stagg Ahmed H Ei - Abiad Scientific International Pvt. Ltd. 1st Edition, 2019
3 Power Generation Operation and Control Allen J Wood etal Wiley 2nd Edition,2016
Reference Books
1 Computer Techniques in Power System Analysis M.A. Pai McGraw Hill 2nd Edition, 20122 Power System Analysis Hadi Saadat McGraw Hill 2ndEdition, 2002
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