Master in Electrical Engineering (Electrical Power Systems)

Compulsory Courses

Load flow studies, System formulation and modeling techniques of solutions, Voltage profile and control. System optimisation, operation and commitments, Optimum scheduling. Optimisation of combination of Hydro-Thermal systems, automatic generation and voltage control, load frequency control, valve model, turbine model, block diagrams and the control model, single and two area load frequency control.

Symmetrical Components, Unsymmetrical shunt and faults, sequence impendence of transmission lines, machines and transformers, change of symmetry, simultaneous faults, two component method for fault analysis.

Distribution System Planning and Automation, Load Characteristics, Application of Distribution transformation, Design of Sub-transmission lines and distribution substations, Design considerations of primary system. Design considerations of secondary systems, Voltage-Drop and Power loss calculations.

Intense and rigorous treatment of the constants of HV and EHV lines and cables, Mathematical modeling, Insulation coordination and their effects on insulation during short circuits, Travelling waves, Optimum loading of facilities, effects of line transients on insulation. HV DC transmission, Type of DC links, technical and economic advantages of DC transmission, Incorporation of HV DC into AC systems, Converter station equipment, skin effects.

Protective relaying philosophy and fundamental considerations, transmission lines, rotating machines and transformer protection, Relay input sources and their performance. Static relays. Basic components of static relays, Comparator, Basic static relays used in protective schemes.

Elective Courses

Application of capacitors to distribution system, Distribution system voltage regulation. Distribution system protection, Distribution system reliability.

Steady state and transient stability problems of multi-machine interconnected systems, Swing equation, point-by-point solution of swing equation. Equal area criterion, One machine and two-machine systems, Critical fault clearing time. Effect of fault on stability, Stability study of typical systems.

Network Matrices, Algorithms for formation of network matrices, short circuit studies, solution of simultaneous algebraic equations, Load flow studies, Numerical solution of differential equations, transient stability studies.

Network and state space methods for reliability evaluation. Component reliability, Generating capacity reserve evaluation and operating reserve evaluation. Interconnected systems, Bulk power system reliability. Area supply reliability, distribution systems reliability, reliability modeling.

Static Relays, comparators, components, circuits and power supply circuit for static relays, Time relays. Voltage relays, directional, over current, differential and distance relays, pilot wire and carrier current schemes.

Reasons, extent, issues and technical impacts of embedded or dispersed generation. Economic impacts of embedded generation on transmission, distribution and central generation systems. Embedded generation plants, combined heat and power plants, renewable energy generation- small scale hydro-generation, wind power plants, off-shore wind energy, solar photovoltaic generation. Power flow studies of an embedded generation scheme, balanced and unbalanced fault studies as applied to an embedded generation scheme. Stability studies of an embedded generation scheme, electromagnetic transient studies, and generators for embedded generation, power quality and protection of embedded generation.

Definition of terms used in Reactive Power Management. Quality in electrical power supply. Indices and cost of power quality, justification for capital cost, costing of reactive power. Reactive power requirement of utilities. Reactive power supply by utilities. Systems and tools for management of reactive power by utilities. User-side scenario of reactive power management, compensation, planning, selection of equipments, consideration of harmonics. Reactive power management in different types of industrial plants.

Properties of feedback control systems, Mathematical models of basic components, State-variable models of feedback systems, time-domain analysis, stability, transform analysis, frequency domain techniques, root-locus, design of single input-output systems, simple compensation techniques.

Examples of Discrete Data and Digital Control Systems, Signal Conversion and Processing, Sampling theorem, z-transform and inverse z-transform. The state-variable approach. Stability of Digital control system. Digital Simulation and digital redesign.

Review of discrete signals and systems in temporal and spectral domains, data acquisition, discrete transforms (DFT, DCT and z-transforms), digital filters—HR and FIR, spectral estimation, adaptive filters, multi-rate signal processing, Wavelets and joint time-frequency analysis, and real-time signal processing.

Variable speed drive systems, Separately excited and series dc motor single phase drives, Power factor improvement. Three phase drives. Semi converter, Full converter series connected and dual converter drives. Reversible drives. DC Chopper Drives. Dynamic and regenerative braking. Closed loop control. Phase Locked Loop control and Microprocessor control.

Review of three phase induction motor speed control, Speed control by Slip-Energy Recovery schemes, Induction motor with voltage source inverters, Induction motor with current source inverters, Synchronous motor drives. Stepper motor drives. Cyclo-converter controlled AC drives. Brushless synchronous machines.