Here you can download the free lecture Notes of Computer Methods in Power Systems Notes pdf – CMPS notes pdf materials with multiple file links to download. Power System Network Matrices-1: Graph Theory: Definitions, Bus Incidence Matrix, Ybus formation by Direct and Singular Transformation Methods, Numerical Problems, etc.

**Computer Methods in Power Systems Notes pdf – CMPS notes pdf file**

Computer Methods in Power Systems Notes pdf – CMPS pdf notes – CMPS notes pdf file to download are listed below please check it –

**Link: Complete Notes**

**Unit 1 **

**Link: Unit 1 Notes**

**Unit 2**

**Link: Unit 2 Notes**

**Unit 3 and 4**

**Link : Unit 3 & 4 Notes**

**Unit 5 and 6**

**Link : Unit 5 & 6 Notes**

**Unit 7 and 8**

**Link : Unit 7 & 8 Notes**

**Note:-** These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. If you have any doubts please refer to the JNTU Syllabus Book.

**UNIT -I**

Power System Network Matrices-1

Graph Theory: Definitions, Bus Incidence Matrix, Ybus formation by Direct and Singular Transformation Methods, Numerical Problems.

**UNIT -II**

Power System Network Matrices-2: Formation of ZBus: Partial network, Algorithm for the Modification of ZBus Matrix for addition element for the following cases: Addition of element from a new bus to reference, Addition of element from a new bus to an old bus, Addition of element between an old bus to reference and Addition of element between two old busses (Derivations and Numerical Problems).- Modification of ZBus for the changes in the network ( Problems )

**UNIT-III**

Power flow Studies-1: Necessity of Power Flow Studies – Data for Power Flow Studies – Derivation of Static load flow equations – Load flow solutions using Gauss-Seidel Method: Acceleration Factor, Load flow solution with and without P-V buses, Algorithm and Flowchart. Numerical Load flow Solution for Simple Power Systems (Max. 3-Buses): Determination of Bus Voltages, Injected Active and Reactive Powers (Sample One Iteration only) and finding Line Flows/Losses for the given Bus Voltages.

**UNIT-IV**

Power flow Studies-2: Newton Raphson Method in Rectangular and Polar Co-Ordinates Form: Load Flow Solution with or without PV Busses- Derivation of Jacobian Elements, Algorithm and Flowchart. Decoupled and Fast Decoupled Methods.- Comparison of Different Methods – DC load Flow

### Computer Methods in Power Systems Notes pdf – CMPS notes pdf

**UNIT – V**

Short Circuit Analysis-1: Per-Unit System of Representation. Per-Unit equivalent reactance network of a three-phase Power System, Numerical Problems.

Symmetrical fault Analysis: Short Circuit Current and MVA Calculations, Fault levels, Application of Series Reactors, Numerical Problems.

**UNIT –VI**

Short Circuit Analysis-2: Symmetrical Component Theory: Symmetrical Component Transformation, Positive, Negative and Zero sequence components: Voltages, Currents and Impedances.

Sequence Networks: Positive, Negative and Zero sequence Networks, Numerical Problems.

Unsymmetrical Fault Analysis: LG, LL, LLG faults with and without fault impedance, Numerical Problems.

**UNIT –VII**

Power System Steady State Stability Analysis, Elementary concepts of Steady State, Dynamic and Transient Stabilities. Description of Steady-State Stability Power Limit, Transfer Reactance, Synchronizing Power Coefficient, Power Angle Curve and Determination of Steady-State Stability and Methods to improve steady-state stability.

**UNIT –VIII**

Power System Transient State Stability Analysis: Derivation of Swing Equation. Determination of Transient Stability by Equal Area Criterion, Application of Equal Area Criterion, Critical Clearing Angle Calculation.- A solution of Swing Equation: Point-by-Point Method. Methods to improve Stability – Application of Auto Reclosing and Fast Operating Circuit Breakers.

**Reference**

1. Power System Analysis by Grainger and Stevenson, Tata McGraw Hill.

2. Power System Analysis – by A.R.Bergen, Prentice Hall, Inc.

3. Power System Analysis by Hadi Saadat – TMH Edition.

4. Power System Analysis by B.R.Gupta, Wheeler Publications.

**Textbooks**

1. Power System Analysis operation and control, Abhijit Chakrabarty, Sunitha Haldar, 3rd edition PHI, 2010.

2. Modern Power system Analysis – by I.J.Nagrath & D.P.Kothari: Tata McGraw-Hill Publishing company, 2nd edition.

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