introduction of electrical engineering
introduction of electrical engineering
Voltage and current
Electric Potential and Voltage
Conductors and Insulators
Conventional versus electron flow
Ohm's Law
Kirchoff's Voltage Law (KVL)
Kirchoff's Current Law (KCL)
Polarity of voltage drops
Branch current method
Mesh current method
Introduction to network theorems
Thevenin's Theorem
Norton's Theorem
Maximum Power Transfer Theorem
star-delta transformation
Source Transformation
voltage and current sources
loop and nodal methods of analysis
Unilateral and Bilateral elements
Active and passive elements
Steady- State Analysis of Single Phase AC Circuits and AC Fundamentals
alternating current (AC)
AC Waveforms
The Average and Effective Value of an AC Waveform
RMS Value of an AC Waveform
Generation of Sinusoidal (AC) Voltage Waveform
Concept of Phasor
Phase Difference
The Cosine Waveform
Representation of Sinusoidal Signal by a Phasor
Phasor representation of Voltage and Current
AC inductor circuits
Series resistor-inductor circuits: Impedance
Inductor quirks
Review of Resistance, Reactance, and Impedance
Series R, L, and C
Parallel R, L, and C
Series-parallel R, L, and C
Susceptance and Admittance
Simple parallel (tank circuit) resonance
Simple series resonance
Power in AC Circuits
Power Factor
Power Factor Correction
Quality Factor and Bandwidth of a Resonant Circuit
Three phase A.C. Circuits
Generation of Three-phase Balanced Voltages
Three-Phase, Four-Wire System
Wye and delta configurations
Distinction between line and phase voltages, and line and phase currents
Power in balanced three-phase circuits
Phase rotation
Three-phase Y and Delta configurations
Measurement of Power in Three phase circuit
Introduction of measuring instruments
Various forces/torques required in measuring instruments
General Theory Permanent Magnet Moving Coil (PMMC) Instruments
Working Principles of PMMC
A multi-range ammeters
Multi-range voltmeter
Basic principle operation of Moving-iron Instruments
Construction of Moving-iron Instruments
Shunts and Multipliers for MI instruments
Dynamometer type Wattmeter
Introduction to Power SystemMagnetic Circuit and Single Phase Transformer
Introduction to Power System
POWER TRANSMISSION AND DISTRIBUTION
Magnetic Circuit
B-H Characteristics
Analysis of Series magnetic circuit
Analysis of series-parallel magnetic circuit
Different laws for calculating magnetic field-Biot-Savart law
Amperes circuital law
Reluctance & permeance
Introduction of Eddy Current & Hysteresis Losses
Eddy current
Derivation of an expression for eddy current loss in a thin plate
Hysteresis Loss
Hysteresis loss & loop area
Steinmetzs empirical formula for hysteresis loss
Inductor
Force between two opposite faces of the core across an air gap
ideal transformer
Practical transformer
equivalent circuit
Efficiency of transformer
Auto-Transformer
Electrical Machines
Introduction of D.C Machines
D.C machine Armature Winding
EMF Equation
Torque equation
Generator types & Characteristics
Characteristics of a separately excited generator
Characteristics of a shunt generator
Load characteristic of shunt generator
Single-phase Induction Motor
Permanent-split capacitor motor
Capacitor-run motor induction motor
Starting Methods for Single-phase Induction Motor
Capacitor Split-phase Motor
Capacitor-start and Capacitor-run Motor
Construction of Three-phase Induction Motor
Principle of Operation of Three-phase Induction Motor
Gross Torque Developed
Torque-slip (speed) Characteristics
Starting Current and Torque
Synchronous Motors
Three Phase synchronous motor
Synchronous condenser
Reluctance motor
Branch :
Civil Engineering
Subject :
Basic Electrical - First Year
Unit :
Electrical Machines
Principle of Operation of Three-phase Induction Motor
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