Utilization of Electrical Energy

Illumination

Source of Light

Halogen Lamp

Discharge Lamp like mercury vapor

Sodium vapor lamp

Neon lamp

LED

Xenon lamps

Flood lighting

Industrial Lighting

Automobile Electrical Systems

Electrical components used for 2 wheeler and 4 wheeler

• Batteries
• Magnetos
• Contact Breaker
• Ignition coils
• Cut Outs
• Voltage and Current regulators spark plug
• Various types of lamps
• Alternator and Dynamo

Connection Diagrams of Above Components

 

Electrical Drives

Introduction of Electrical Drives

Types of Drives

Types of Loads

Advantages and Disadvantages of Electrical Drives

Application & Characteristics of Group, Individual & Multipurpose Electrical Drives

Selection of electric drive

Factors governing selection of electrical motor

Types of enclosures

Heating & Cooling curves of Electrical drives

Rating of Machines

Method for calculations of kW of motor for gives load cycle (numerical)

Load equalization

Motor for particular services

Applications of electric drives

 

Electrical Heating & Melting

Introduction of Electrical Heating & Melting

Advantages, Disadvantages and Application of Electrical Heating and melting

Modes of transfer of heat

Heating element materials and design

Losses and Efficiency of electrical heating and melting

 

Induction Heating

Direct core induction furnace

Indirect core induction furnace

Vertical core induction furnace

Core less induction furnace

High frequency power supply sources

High frequency eddy current heating

Dielectric heating

 

Electrical Welding

Introduction of Electrical Welding

Requirement of good weld

Advantages, Disadvantages and Application of electrical welding

Types of electrical welding processes and equipments

(types, equipment, operation, characteristics, adv., disadv. and appl) of

• Electric Resistance
• Electric Arc
• Ultrasonic Electron Beam
• Laser Beam Welding

Power supply for resistance and arc welding

 

Electric Traction

Introduction of Electric traction

Different systems of traction

System of electric traction

 

Power Supply for Electric Traction

Introduction of power supply for electric traction

System of track electrification

Current collecting system (conductor rail system and over head system)

Current collectors for Over head system

Over head construction for

• Tramways
• Trolleybuses
• Railways

Electric Traction : Train Movement & Energy Consumption

Introduction of Electric traction

Speed time curves (numerical)

Mechanics of train movement (numerical)

Specific energy output & specific energy consumption (numerical)

 

Electric Traction Motors

Desirable characteristics of electric traction motors

Traction Motors

• DC series motor
• 1 phase series motor
• 3 phase induction motor
• linear induction motor

Features and Operating Characteristics of Traction motors

 

Control of Traction Motors

Starting & Speed control of DC series motor (traction)

Rheostatic control of traction motor

Series parallel field control of traction motor

M-G locomotive control

Dielectric locomotive control

Transition methods of traction motor

Drum controller of traction motor

Contactor type controller for traction motor

buck-boost method for control of traction motor

thyrister control method for control of traction motor

Starting & speed control of 1 phase AC series motor

Electric Traction

Requirements of Electric Traction

Mechanical regenerative braking

Magnetic track

Brakes (electric traction)

Electromechanical drum brakes of electric traction

Eddy current brakes for electric traction

Multiple Unit Control of electric traction

 

Traction Substations

Transmission systems of Electric Traction

Substation for 1 phase AC railways

Location of substations for electric traction

Feeding & Distributing systems of electric traction

Block diagram of an AC locomotive

 

Train Lighting

Requirement of Train lighting

Equipments used for train lighting