AC Fundamental
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Follow on Instagram for UpdatesAC Fundamental Syllabus — Unit-wise Content
The official GTU curriculum for AC Fundamental (subject code DI02000171) as prescribed for EC · Semester 2 divides the course into 4 units, covering 26 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI02000171)Unit 1 Fundamentals of Alternating Voltage and Current Contents
- (1) Comparison between AC and DC System (2) Principle of generation of alternating voltage (3) Sinusoidal Function Terminology: (a) Define terms - wave form
- time period
- amplitude and angular frequency (b) State relations among these terminologies (c) Different forms of sinusoidal quantities (4) Various values of sinusoidal alternating quantities: (a) Define terms - instantaneous value
- maximum value
- average value
- RMS value
- peak factor, and form factor (2) State relations among these values (5) Phase difference between alternating quantities: lagging and leading quantities (6) Vector representation of alternating quantity (7) Addition of alternating quantities using vector: Graphical and Analytical method (8) Transfer of vector from rectangular form to polar form and vice- versa (9) Mathematical operation of vectors (10)Numerical based on fundamentals of alternating quantities
Unit 2 Single Phase AC Series Circuits Contents
- (1) Behavior of AC through pure resistive
- inductive and capacitive circuit: (a) State equations of voltage
- power and power Program Name: Engineering Level: Diploma Branch: Electrical Engineering / Renewable Energy Course / Subject Code: DI02000171 Course / Subject Name: AC Fundamental factor (b) Define term - inductive and capacitive reactance (c) draw wave form and vector diagram of voltage
- current and power
- (2) Behavior of AC through RL, RC, and RLC series circuit: (a) Derive equation of current
- power and power factor (b) Draw wave form and vector diagram of voltage and current (c) Draw impedance triangle (3) Concepts of power factor: lagging
- leading and unity power factor (4) Active power
- reactive power
- apparent power and power triangle (5) Resonant condition and resonance frequency in RLC series circuit (6) Numerical based on AC series circuits and series resonance
Unit 3 Single Phase AC Parallel Circuits Contents
- (1) Phasor (Vector) method for solving AC parallel circuits
- (2) Terms related to AC parallel circuits:(a) Define term- admittance
- conductance and susceptance (b) Draw admittance triangle (3) Admittance method for solving AC parallel circuits
- (4) Complex algebra method for solving AC parallel circuits
- (5) Resonance condition and resonant frequency in parallel AC circuits (6) Comparison between series and parallel resonance (7) Numerical based on AC parallel circuits and parallel resonance
Unit 4 Three Phase System and Circuits Contents
- (1) Comparison between single and three phase systems (2) Principle of generation of three phase alternating voltage (3) Three phase system terminology: (a) Define term - phase sequence
- balanced & un- balanced supply
- balanced & un- balanced load (b) state importance of these terminologies (4) Values of voltage and current in three phase system: Define terms- line voltage
- phase voltage
- line current and phase current (5) Three phase star connection (6) Three phase delta connection (7) Numerical based on three phase circuits
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