# Electrical Technology

Course Code:13A02303

Author:uLektz

Regulation:2013

Categories:Electronics & Communication

Format : ePUB3 (DRM Protected)

Type :eBook

FREE

Description :Electrical Technology of 13A02303 covers the latest syllabus prescribed by Jawaharlal Nehru Technological University, Anantapur (JNTUA) for regulation 2013. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT I:THREE PHASE CIRCUITS

1.1 Phase Sequence,Star and Delta Connection,Relation Between Line and Phase Voltages and Currents in Balanced Systems

1.2 Analysis of Balanced Three Phase Circuits,Measurement of Active and Reactive Power in Balanced and Unbalanced Three Phase Systems

1.3 Analysis of Three Phase Unbalanced Circuits,Loop Method,Application of Millman’s Theorem

1.4 Star Delta Transformation Technique,Two Wattmeter Method of Measurement of Three Phase Power

###### UNIT II:DC MACHINES

2.1 DC Generators : Principle of Operation of DC Machines,EMF Equation,Types of Generators,Magnetization and Load Characteristics of DC Generators

2.2 DC Motors : DC Motors,Types of Motors,Characteristics of DC Motors,Losses and Efficiency,Swinburne's Test

2.3 Speed Control of DC Shunt Motor,Flux and Armature Voltage Control Methods

###### UNIT III:TRANSFORMERS

3.1 Principle of Operation of Single Phase Transformers,Types,Constructional Details,Emf Equation,Operation on No Load and On Load,Phasor Diagrams

3.2 Equivalent Circuit,Losses and Efficiency,Regulation

3.3 OC and SC Tests,Predetermination of Efficiency and Regulation (Simple Problems)

###### UNIT IV:3-PHASE INDUCTION MOTORS

4.1 Polyphase Induction Motors,Construction Details of Cage and Wound Rotor Machines, Production of a Rotating Magnetic Field

4.2 Principle of Operation,Slip - Rotor Emf and Rotor Frequency,Rotor Reactance, Rotor Current and Pf at Standstill and During Operation

4.3 Torque Equation,Expressions for Maximum Torque and Starting Torque,Torque Slip Characteristic

###### UNIT V:SYNCHRONOUS GENERATORS

5.1 Principle And Constructional Features of Salient Pole and Round Rotor Machines,Pitch, Distribution, Winding Factors,E.M.F Equation

5.2 Synchronous Reactance and Impedance,Experimental Determination,Phasor Diagram,Load Characteristics. Voltage Regulation Methods,E.M.F Method