303148: Power System-II

Unit 01 Performance of Transmission Lines 06 hrs
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.
Unit 02 EHVAC Transmission 05 hrs
Role of EHV-AC 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.
Unit 03 Per Unit System and Load Flow Analysis 07 hrs
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).
Unit 04 Symmetrical Fault Analysis 06 hrs
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.
Unit 05 Unsymmetrical Fault Analysis 07 hrs
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.
Unit 06 HVDC Transmission 05 hrs
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.
Test Books:
[T1] I.J. Nagrath and D.P. Kothari – Modern Power System Analysis – Tata McGraw Hill, New Delhi.

[T2] B R Gupta , “Power System Analysis and Design”, S. Chand.
[T3] Ashfaq Hussain, “Electrical Power Systems”, CBS Publication 5th Edition.
[T4] J. B. Gupta. “A course in power systems” S.K. Kataria Publications.
[T5] P.S.R. Murthy, “Power System Analysis”, B.S. Publications
Reference Books:
[R1] H. Hadi Sadat: Power System Analysis, Tata McGraw-Hill New Delhi.
[R2] G. W. Stagg and El- Abiad – Computer Methods in Power System Analysis – Tata McGraw Hill, New Delhi.

[R3] M. E. El- Hawary, Electric Power Systems: Design and Analysis, IEEE Press, New York.
[R4] Rakash Das Begamudre, “Extra High voltage A.C. Transmission Engineering”, New age publication.

[R5] M. A. Pai, Computer Techniques in Power System Analysis, Tata McGraw Hill Publication.

[R6] Stevenson W.D. Elements of Power System Analysis (4th Ed.) Tata McGraw Hill, New Delhi.

[R7] K. R. Padiyar: HVDC Transmission Systems, New Age International Publishers Ltd, New Delhi.

[R8] Olle I. Elgard – Electric Energy Systems Theory – Tata McGraw Hill, New Delhi.
[R9] V. K. Chandana, Power Systems, Cyber tech Publications.
[R10] P. Kundur, Power System Stability And Control, McGraw Hill