WITH EFFECT FROM THE ACADEMIC YEAR 2011 - 2012

 

EE 253

 

POWER SYSTEMS – I

 

Instruction                                               4               Periods per week

Duration of University Examination   3               Hours

University Examination                         75             Marks

Sessional                                                  25             Marks

 

UNIT-I

 

Thermal, Hydel, Nuclear Power generation Principles, Choice of site, layout and various parts of Generating Stations.

 

Estimation of power in hydel, flow duration curve, hydrograph, mass curve etc. Types of Hydel stations. Nuclear Stations, PWR, BWR, FBR GAS Turbines, GAS power stations, Combined cycle power stations. MAJOR DISASTERS around the world in Power plants – lessons learnt.

 

UNIT-II

 

Non Conventional energy generation methods: Solar, Wind, Ocean Thermal Energy Conversion (OTEC), Tidal, Geo Thermal.

 

Solar cells, Efficiency, Manufacturing Technology, Solar Radiation, calculation of insulation, solar collectors, Concentrators. Wind generators, Wind turbine types, rotors construction, Hybrid power generation.

 

UNIT-III

 

Construction of Over head lines – Over head line materials , Supports – types, Vibration Dampers, Arcing Horns , Ground Wires , Sag / Tension Calculations, Equal / Unequal supports , Effects of Wind , Ice / Erection Conditions Stringing Charts

 

Insulators – Types – Material for construction- new technological developments, Potential distribution over string of insulators, Equalizing of potential – Methods. Insulator testing , Insulated cables- Insulating Materials, Mechanical Protection ,EHV / HV / LV cables, Grading, Capacitance of 3 core cables

UNIT-IV

 

Inductance and capacitance of transmission lines, Single phase and three phase symmetrical composite conductors, GMD, GMR, Transposition of conductors, Bundled conductors, effect of earth capacitance.

 

UNIT-V

 

Economics of Power Generation , Load curve, Load demand and diversified factors, Base load operation, Types of costs and depreciation, calculations. Methods of Power factor Improvement, Economics of p.f. Improvement. Tariffs.

 

General aspects of AC and DC distribution systems, Underground, Over head lines

 

DC systems Ring main, Radial, Voltage drop calculations, Distributor fed at one end, distributor fed at both ends. AC distribution systems.

 

Suggested Reading:

 

1. 1.C.L. Wadhwa, Electrical Power Systems, Wiley Eastern Ltd., 5^th Edition,2005.

 

1. 2.C.L. Wadhwa, Generation, Distribution and Utilization of Electrical Energy, Wiley Eastern Ltd., 5^th Edition,2005.

 

1. 3.S.N. Singh, Electric Power Generation, Transmission and Distribution,

 

Prentice Hall of India Pvt. Ltd., New Delhi - 2003