EE6801 Electric Energy Generation Utilization and Conservation Previous Year Question Paper

EE6801 Electric Energy Generation Utilization and Conservation Previous Year Question Paper


OBJECTIVES:

To analyze the various concepts behind renewable energy resources.

To introduce the energy saving concept by different ways of illumination.

To understand the different methods of electric heating and electric welding.

To introduce knowledge on Solar Radiation and Solar Energy Collectors

To introduce concepts of Wind Energy and its utilization

UNIT I ELECTRIC DRIVES AND TRACTION

Fundamentals of electric drive – choice of an electric motor – application of motors for particular services – traction motors – characteristic features of traction motor – systems of railway electrification – electric braking – train movement and energy consumption – traction motor control – track equipment and collection gear.

UNIT II ILLUMINATION

Introduction – definition and meaning of terms used in illumination engineering – classification of light sources – incandescent lamps, sodium vapour lamps, mercury vapour lamps, fluorescent lamps – design of illumination systems – indoor lighting schemes – factory lighting halls – outdoor lighting schemes – flood lighting – street lighting – energy saving lamps, LED.

UNIT III HEATING AND WELDING

Introduction – advantages of electric heating – modes of heat transfer – methods of electric heating – resistance heating – arc furnaces – induction heating – dielectric heating – electric welding – types – resistance welding – arc welding – power supply for arc welding – radiation welding.

UNIT IV SOLAR RADIATION AND SOLAR ENERGY COLLECTORS

Introduction – solar constant – solar radiation at the Earth’s surface – solar radiation geometry – estimation of average solar radiation – physical principles of the conversion of solar radiation into heat

– flat-plate collectors – transmissivity of cover system – energy balance equation and collector efficiency – concentrating collector – advantages and disadvantages of concentrating collectors – performance analysis of a cylindrical – parabolic concentrating collector – Feedin Invertors.

UNIT V WIND ENERGY

Introduction – basic principles of wind energy conversion – site selection considerations – basic components of a WECS (Wind Energy Conversion System) – Classification of WECS – types of wind Turbines – analysis of aerodynamic forces acting on the blade – performances of wind.


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