Course Objectives:

1.      To impart knowledge about the aspects of power quality in distribution system and various indices.

2.      To explain about the sources of harmonics, various power quality problems

3.      To explain the remedial measures to power quality problems through filtering and static controller,

4.      To discuss the advanced multi-level converters.


Overview: Sources of pollution and regulations, Various power quality problems, Transmission problems and needs, The emergence of FACTS, FACTS controller and consideration.

Voltage Sag and Swell: The voltage sag and voltage swell, causes of voltage sag and swell, Indices to classify voltage sag, The countermeasures.

Monitoring of Power Quality: Monitoring essentials, reliability indices, Power quality measuring equipment, Current industry trends, Fourier series, Fourier transform, Wavelet transform.

Harmonics: Effects-within the power system, Interference with communication Harmonic measurements, Harmonic elimination, Harmonic distortion due to various sources, Effects of harmonic distortion, THD calculation

Power Supply and Applications: Analysis, design and control of SMPS, UPS on line and off line, Power supplies in telecommunication and auto
-mobiles, Linear series and shunt voltage regulators, Switching regulators, High frequency induction heating, Dielectric heating, Microwave heating, Electronic ballast, High power factor electronic ballast and applications.

Multi-Level Converters and Control: Modelling and analysis of advance static VAr compensation, Multi-level inverters, Harmonic elimination method, ASVC structure, Power converter control using state space average models, SMC, Fuzzy logic control.

Filters: Passive and active filters for harmonic and reactive power compensation in two wire, Three wire and four wire AC systems, Harmonics standard, Power quality, Surge suppressors, Compensation of arc furnaces and traction loads.


Static VAR compensator (SVC): Types of SVC characteristics of ideal and realistic SVC their operation, Composite characteristics, Modelling of SVC, six pulse TCR, Flexible AC Transmission Systems, Comparison of STATCOM and SVC, Static Voltage and phase angle regulators: TCVR and TCPAR, combine compensator, UPFC (Unified Power Flow), IPFC (Interline power flow controller), and their applications.




Course Learning Outcomes (CLO):

On the completion of the course, the student will be able:

1.      To learn aspects of power quality in distribution system, sources of harmonics

2.      To identify the power quality problems

3.      To acquire knowledge about the measures through filtering and static controller,

4.      To know about the harmonic mitigation through multi-level converters

Recommended Books:

1.        Bollen, M.H.J., Power Quality Problems: Voltage Sag and Interruptions, IEEE Press (2007).

2.        Bollen, M.H.J., Understanding Power Quality and Voltage Sag, IEEE Press (2006).

3.        Ghosh, A. and Ledwich, G., Power Quality Enhancement using Custom Power Devices, Kluwer Academic Publishers (2002).

4.        Hingorani, N.G., Understanding FACTS: Concepts and Technology, IEEE Computer Society Press (1995).