Syllabus - Power Quality Improvement & Mitigation Technique (EE 801)

Electrical Engineering

Power Quality Improvement & Mitigation Technique (EE 801)

VIII

UNIT-I

Introduction, power quality -voltage quality, power quality evaluations procedures term and definition: general classes of power quality problem, causes & effect of power quality disturbances.

UNIT-II

Loads that causes power quality problems, State of art on Passive shunt and series compensation, Classification and working of passive shunt and series compensation, Classification, Principle and control of active shunt compensator: DSTATCOM, Active series compensators, working and its control.

UNIT-III

Introduction to unified power quality compensators, classification, working and operation of UPQC.

UNIT-IV

Voltage sags and interruption: sources of sags and interruption, estimating voltages sag performance, fundamental principles of protection, monitoring sags. Transients over voltages: sources of transient over voltages, principles of over voltages protection, utility capacitor switching transients, fundamentals of harmonics and harmonics distortion, harmonics sources from commercial load and from industrial loads.

UNIT-V

Applied harmonics : harmonics distortion evaluations, principles for controlling harmonics, harmonics studies devices for controlling harmonic distortion, Shunt active and passive filters, their operation and control.

Practicals

  • Simulation showing the effect of power quality problems.

  • Simulation of reactive power compensation of linear load.

  • Simulation of harmonic analysis of balanced non-linear loads.

  • Simulation of harmonic analysis of un-balanced non-linear loads.

  • Simulation of active shunt filters for harmonics compensation.

  • Simulation of compensation device showing power factor correction.

  • Simulation of compensation device showing voltage regulation.

  • Simulation of hybrid filter as a combination of active series and passive shunt filters.

  • Simulate the effect of neutral current.

  • Simulate the effect of dynamic load connected to 3-phase system.

Reference Books

  • Power Quality- by R.C. Duggan

  • Power System harmonics –by A.J. Arrillga

  • Power electronic converter harmonics –by Derek A. Paice