2K6 EE 704: POWER SYSTEMS-III

Module –I (13hrs)
Circuit breakers – principle of operation – air blast CB – Oil CB – SF6 CB – Vacuum CB – CB ratings –causes of over voltages – surges and traveling waves – voltage waves on loss less transmission lines – reflection and attenuation – protection against lightning –earth wires – lightning diverters – surge absorbers – arcing grounds – neutral earthing – Basic concepts of insulation levels and their selection – BIL – coordination of insulation.
Module –II(13hrs)
Protective relaying – protective zones – requirements of protective relaying – different types of relays and their applications – generalized theory of relays – protective schemes for generators, motors, transmission lines and bus bars – static relays – amplitude and phase comparators – block diagrams – protective schemes for generators, motors, transmission lines and bus bars – microprocessor based protective relaying.
Module –III(13hrs)
Industrial utilization of motors – factors governing selection of motors – Electrical considerationsmatching of characteristics of load and motor – electric braking – regenerative braking – mechanical considerations-Types of enclosures- Types of transmission- heating and cooling curves- determination of rating of motor –short time , intermittent and continuous ratings -. Electric traction – systems of traction – requirements of traction motors – speed time curve – mechanics of train movement – tractive effort for propulsion of train – power output from driving axles – specific energy consumption – methods of current collection.
Module – IV(13hrs)
Introduction to Flexible AC transmission System (FACTS) controllers- SVC, TCSC, Voltage Source Converter based controllers- Equivalent circuit, benefits and applications. Power quality –fundamental concepts – sources, causes and effects of power quality problems– harmonics – measurement of power quality-THD- TIF – DIN – power quality standards – monitoring – mitigation techniques- passive filter design – active filter- custom power devices- distribution static compensator – dynamic voltage restorer- unified power quality conditioner

Reference books
1.Sunil S Rao, Switch Gear Protections, Khanna Publishers
2.J.B. Gupta Utilization of electric power & electric traction, S K Kataria & sons
3.J.B. Gupta Switchgear & Protection S K Kataria & sons
4.Soni, Gupta & Bhatnagar, A Course in Electrical Power, Dhanpat Rai & Sons
5.Van. C. Warrington A.R., Protective Relays Vol. 1 & 2, Chappman & Hall
6.Mason C.R., Art and Science of Protective Relaying, Wiley Eastern.
7.Ravindranath M. Chander, Power System Protection and Switchgear
8.K R Padiyar, “FACTS controllers for transmission and distribution,” New age International, New Delhi 2007.
9.Haydt G.T., Electric Power Quality