Power System-II for SPPU 19 Course (TE - VI - Electrical - 303148) (Decode) (END SEM)

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Syllabus Power system - II (303148) Credits Examination Scheme TH 03 ISE 30 Marks TU 01 ESE 70 Marks PR 01 PR 50 Marks TW 25 Marks Unit 01 : Performance of Transmission Lines Evaluation of ABCD constants and equivalent circuit parameters of Long transmission line. Concept of complex power, power flow using generalized constants, surge impedance loading, Line efficiency, Regulation and compensation, basic concepts. Numerical based on : ABCD constants of Long transmission line, Power flow. (Chapter - 1) Unit 02 : EHV-AC Transmission Role of EHVAC transmission, standard transmission voltages, average values of line parameters, power handling capacity and line losses, phenomenon of corona, disruptive critical voltages, visual critical voltages, corona loss, factors and conditions affecting corona loss, radio and television interference, reduction of interference, Numerical Based on Corona, Corona loss and power handling capacity. (Chapter - 2) Unit 03 : Per Unit System and Load Flow Analysis Per unit system : Single line diagram, Impedance and reactance diagrams and their uses, per unit quantities, relationships, selection of base, change of base, reduction to common base, advantages and application of per unit system. Numerical based on network reduction by using per unit system. Load Flow Analysis : Network topology, driving point and transfer admittance, concept of Z-bus and formulation of Y-bus matrix using bus incidence matrix method, Numerical based on Y bus Matrix, power- flow equations generalization to n bus systems, classification of buses, Newton- Raphson method (polar method) Decoupled and Fast decoupled load flow (descriptive treatment only). (Chapter - 3) Unit 04 : Symmetrical Fault Analysis 3-phase short-circuit analysis of unloaded alternator, sub-transient, transient and steady state current and impedances, D.C. Offset, and effect of the instant of short-circuit on the waveforms, estimation of fault current without pre-fault current for simple power systems, selection of circuit-breakers and current limiting reactors and their location in power system (Descriptive treatment Only) Numerical Based on symmetrical fault analysis. (Chapter - 4) Unit 05 : Unsymmetrical Fault Analysis Symmetrical components, transformation matrices, sequence components, power in terms of symmetrical components, sequence impedance of transmission line and zero sequence networks of transformer, solution of unbalances by symmetrical components, L-L, L-G, and L-L-G fault analysis of unloaded alternator and simple power systems with and without fault impedance. Numerical based on symmetrical components and unsymmetrical fault calculation. (Chapter - 5) Unit 06 : HVDC Transmission Classification and components of HVDC system, advantages and limitations of HVDC transmission, comparison with HVAC system, introduction to HVDC control methods - constant current, constant ignition angle and constant extinction angle control, HVDC systems in India, recent trends in HVDC system. (Chapter - 6)

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Pages: 284 Edition: 2023 Vendors: Technical Publications