06EE71 - Computer Techniques in Power System Analysis Regulation (2006 - 2007) |
PART – A |
UNIT – I NETWORK TOPOLOGY |
Introduction, Elementary graph theory –
oriented graph, tree, co-tree, basic cut-sets, basic loops; Incidence matrices –
Element-node, Bus incidence, Tree-branch path, Basic cut-set, Augmented
cut-set, Basic loop and Augmented loop; Primitive network – impedance
form and admittance form. |
UNIT – II NETWORK MATRICES |
Introduction, Formation of YBUS – by method of
inspection (including transformer off-nominal tap setting), by method of
singular transformation (YBUS = ATyA); Formation of Bus Impedance Matrix
by step by step building algorithm (without mutual coupling elements). |
UNIT – III and IV LOAD FLOW |
Introduction, Power flow equations,
Classification of buses, Operating constraints, Data for load flow; Gauss-
Seidal Method – Algorithm and flow chart for PQ and PV buses (numerical
problem for one iteration only), Acceleration of convergence; Newton
Raphson Method – Algorithm and flow chart for NR method in polar
coordinates (numerical problem for one iteration only); Algorithm for Fast
Decoupled load flow method; Comparison of Load Flow Methods.
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PART – B |
UNIT – V and VI ECONOMIC OPERATION OF POWER SYSTEM |
Introduction,
Performance curves, Economic generation scheduling neglecting losses and
generator limits, Economic generation scheduling including generator limits
and neglecting losses; Iterative techniques; Economic Dispatch including
transmission losses – approximate penalty factor, iterative technique for
solution of economic dispatch with losses; Derivation of transmission loss
formula; Optimal scheduling for Hydrothermal plants – problem formulation,
solution procedure and algorithm. |
UNIT – VII and VIII TRANSIENT STABILITY STUDIES |
Numerical solution of Swing
Equation – Point-by-point method, Modified Euler’s method, Runge-Kutta
method, Milne’s predictor corrector method. Representation of power
system for transient stability studies – load representation, network
performance equations. Solution techniques with flow charts.
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REFERENCE |
TEXT BOOKS: |
1. Computer Methods in Power System Analysis- Stag, G. W., and EI-Abiad, A. H.- McGraw Hill International Student Edition. 1968
2. Computer Techniques in Power System Analysis- Pai, M. ATMH,
2nd edition, 2006.
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Reference Books |
1. Modern Power System Analysis- Nagrath, I. J., and Kothari, D. P.,
-TMH, 2003.
2. Advanced Power System Analysis and Dynamics- Singh, L. P.,
New Age International (P) Ltd, New Delhi, 2001.
3. Computer Aided Power System Operations and
Analysis”- Dhar, R. N- TMH, New Delhi, 1984.
4. Power System Analysis- Haadi Sadat, -TMH, 2nd , 12th reprint,
2007.
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