# Office Hours

Monday to Friday 9-5pm

# Current Teaching

• Spring 2019-20:  EN 312 Control and Instrumentation
• Spring 2019-20:  EN 416 Basic Electrical and Electronics Systems

# Previous Teaching

• EN 647 Distributed Generation and Microgrids
• EN 201 Basic Electrical Engineering
• EN 206 Power Electronics and Machines
• EE 602 Foundation for Energy Engineering
• EE 205 Basic Electrical Engineering Lab
• EN 210 Electrical Machines & Power Electronics Lab
• EN 623 Introduction to Electrical and Electronics Engineering (partial)

# Course Description

• EN 201 Basic Electrical Engineering
Fundamental physical laws used frequently in electrical engineering, circuit parameters. Elementary techniques for analyzing simple electrical circuits. Network theorems: Thevenin's and Norton's theorems, superposition theorem and maximum power transfer theorem. Time domain analysis of first and second order linear circuits. Sinusoidal steady state analysis, series and parallel resonance, power calculations, reactive power, power factor and significance of power factor correction, balanced three phase circuits. Analysis of magnetic circuits, basic principles of operation of transformers, dc and ac machines.
• EE 205 Basic Electrical Engineering Lab
Introduction to Basic Laboratory Equipment and Measurements, Simple Circuit Measurements and Ohm's Law, Introduction to Digital Circuits Using TTL(Transistor- Transistor Logic), Resistors: Simplification of Series and Parallel Networks, Nodal AnalysiS of Simple Networks, Loop Analysis of Simple Networks, Operational Amplifiers, Design and Circuit Simulation using SPICE, Thevenin and Norton Equivalent Circuits, Superposition Theorem, Power Relationships in Simple Circuits RL and RC Circuits.
• EN 206 Power Electronics and Machines
Magnetic circuits, mutually coupled circuits, Single phase and three phase transformers, Auto transformers. Basic concepts of Electromechanical energy conversion leading to rotating machines. Principle of operation characteristics and control of DC, three phase and single phase asynchronous machines and synchronous machines. Special machines, e.g. Stepper motors, brushless DC machines.
Characteristics of Power diodes, Thyristors, GTOs , BJTs , MOSFETs , IGBTs. Phase controlled AC to DC converters: Single and three phase, dual converters, unity power factor AC to Dc converters: PWM current source converter, PWM voltage source converters. DC to DC converters: Operations of buck, boost, buck b boost, Cuk, fly back, and forward converters. DC to AC converters: Single phase and three phase topologies, PWM techniques including Space vector pulse with modulation. Brief introduction to AC to AC conversion: AC voltage controllers. Application of power electronic systems: HVDC, active power filters, motor control.
• EN 210 Electrical Machines & Power Electronics Lab
A study of the characteristics and working of the power devices such as SCR, Power MOSFET and IGBT, controlled rectifies (SCR), voltage control of DC motor, inverter performance (DC-AC, harmonics, V-f performance), power factor correction, Power measurement in balanced 3 phase circuits and power factor improvement, Open circuit short circuit test on single phase transfer, Characteristics of DC generators, Charactesrtics of separately excited DC generator, speed control of 3 phase induction generator.
• EN 312 Control and Instrumentation
Dynamics of physical systems, notion of feed-back; open- and closed-loop systems. Laplace transforms and Z-transforms; application of transforms to discrete and continuous systems-analysis; industrial control examples. Transfer function models of mechanical, electrical, thermal and hydraulic systems, closed-loop systems. Block diagram and signal flow graph analysis. Basic modes of feedback control: proportional, integral and derivative. Stability concept, stability criterion. Root locus method of design lead and leg compensation. Relationship between time & frequency response, polar plots, Bode’s plots. Stability in frequency domain, Nyquist plots and criterion. Frequency-domain methods of design, Compensation and their realization in time and frequency domain. Lead and Lag compensation. Instrumentation systems for physical measurements: Measurement and control of displacement, strain, force, torque acceleration, temperature and flow. Acquisition systems: data loggers, pc based data acquisition systems, interfacing and bus standards. Introduction to distributed control systems (DCS): programmable logic controller and their industrial applications.
• EN 416 Basic Electrical and Electronics Systems
Circuit Elements and their Characteristics; Circuit Analysis; Network Theorems – Thevenin’s, Norton’s, Superposition and Maximum power Transfer; Basics of transformer, electromechanical energy conversion and basics of 3-phase power system. Diode and Transistor – Working, Characteristics and Applications; Amplifier; Operational Amplifier circuits and mathematical operations. Digital circuits – K-Map, Combinatorial Circuits; Flip-flops; Counter; Registers; and Memory, Analog and Digital conversion, Introduction of Digital Computer Architecture. Transducers; Power Supply; 555 Timer Applications; Basic Electronic Measurement Instruments.
• EN 602 Foundation for Energy Engineering
Thermodynamics: first law and its application, second law and its application, Irreversibility and energy, basic power generation cycles. Fluid Mechanics: stress-strain relations and viscosity, mass and momentum balance, flow through pipe. Heat Transfer: conduction, radiation, convective heat transfer. Network analysis: simple network analysis, power factor improvement. Electrical Machines: Transformer, Induction motor and generators, Synchronous generators, Introduction to modern speed control techniques, DC machines. Power systems: Introduction to power transmission and distribution.
• EN 647 Distributed Generation and Microgrids
Introduction to distributed generation and microgrids, components, micro-sources, loads, power electronic interface, architecture (dc/ac/hybrid) of microgrids, storage. Integration issues of distributed generation, synchronization, stability aspects in microgrids, islanding techniques. Motor starting in Microgrids. Power management and operation, maximum power point tracking algorithms for renewable energy systems, remote monitoring of microgrids/power plants, demand side management (demand response, energy efficiency programs) centralized and decentralized systems. Introduction to multi-agent system and smart grid