Basic Electrical - First Year
introduction of electrical engineering
Steady- State Analysis of Single Phase AC Circuits and AC Fundamentals
Three phase A.C. Circuits
Introduction to Power SystemMagnetic Circuit and Single Phase Transformer
Electrical Machines
- 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
- 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
- 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 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
- 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