EE8501 – Power System Analysis – Regulation 2017 Syllabus

EE8501 – NOTES & QP

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EE8501 – SYLLABUS

UNIT I POWER SYSTEM

Need for system planning and operational studies — Power scenario in India — Power system components — Representation — Single line diagram — per unit quantities — p.u. impedance diagram — p.u. reactance diagram — Network graph, Bus incidence matrix, Primitive
parameters, Bus admittance matrix from primitive parameters — Representation of offnominal transformer — Formation of bus admittance matrix of large power network.

UNIT II POWER FLOW ANALYSIS

Bus classification — Formulation of Power Flow problem in polar coordinates — Power flow solution using Gauss Seidel method — Handling of Voltage controlled buses — Power Flow Solution by Newton Raphson method.

UNIT III SYMMETRICAL FAULT ANALYSIS

Assumptions in short circuit analysis — Symmetrical short circuit analysis using Thevenin?s theorem — Bus Impedance matrix building algorithm (without mutual coupling) — Symmetrical fault analysis through bus impedance matrix — Post fault bus voltages — Fault level — Current limiting reactors.

UNIT IV UNSYMMETRICAL FAULT ANALYSIS

Symmetrical components — Sequence impedances — Sequence networks — Analysis of unsymmetrical faults at generator terminals: LG, LL and LLG — unsymmetrical fault occurring at any point in a power system — computation of post fault currents in symmetrical component and phasor domains.

UNIT V STABILITY ANALYSIS 

Classification of power system stability — Rotor angle stability — Swing equation — Swing curve — Power-Angle equation — Equal area criterion — Critical clearing angle and time — Classical step-by-step solution of the swing equation — modified Euler method.

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