Welcome to this course on Basic Electrical Technology. Engineering students of almost all disciplines has to undergo this course (name may be slightly different in different course curriculum) as a core subject in the first semester. It is needless to mention that how much we are dependent on electricity in our day to day life. A reasonable understanding on the basics of applied electricity is therefore important for every engineer.
Apart from learning d.c and a.c circuit analysis both under steady state and transient conditions, you will learn basic working principles and analysis of transformer, d.c motors and induction motor. Finally working principles of some popular and useful indicating measuring instruments are presented.
The course can be broadly divided into 3 major parts, namely: Electrical circuits, Electrical Machines and Measuring instruments. The course is spread over 10 modules covering these 3-parts, each module having two or more lessons under it as detailed below.
- Module 1 Introduction
- Lesson 1 Introducing the Course on Basic Electrical
- Lesson 2 Generation, Transmission and Distribution of Electric Power an Overview [ Basic idea of generation ~ Changeover from D.C to A.C ~ A.C generator ~ Thermal, hyddel & nuclear power stations ~ Thermal plant ~ Hydel plants ~ Nuclear plants ~ Transmission of power ~ Single line representation of power system ~ Distribution system ]
- Module-2 D.C. circuits
- Lesson 3 Introduction of Electric Circuit [ Basic Elements & Introductory Concepts ~ Linear and Nonlinear Circuits ~ Kirchhoff's Laws ~ Meaning of Circuit Ground and the Voltages referenced to Ground ~ Understanding the Basic Principles of Voltage Dividers ~ Potentiometer and its function ~ Practical Voltage and Current Sources ~ Independent and Dependent Sources that encountered in electric circuits ~ Understanding Delivering and Absorbing Power by the Source.]
- Lesson 4 Loop Analysis of resistive circuit in the context of dc voltages and currents [ Solution of Electric Circuit Based on Mesh (Loop) Current Method ]
- Lesson 5 Node-voltage analysis of resistive circuit in the context of dc voltages and currents [ Node voltage analysis ~ Solution of Electric Circuit Based on Node Voltage Method ]
- Lesson 6 Wye (Y) - Delta (ÃŽ”) OR Delta (ÃŽ”)-Wye (Y) Transformations [ Delta (ÃŽ") - Wye (Y) conversion ~ Conversion from Delta (ÃŽ") to Star or Wye (Y) ~ Conversion from Star or Wye (Y) to Delta (ÃŽ") ~ Application of Star ()Y to Delta ÃŽ"() or Delta ÃŽ"() to Star ()Y Transformation ]
- Lesson 7 Superposition Theorem in the context of dc voltage and current sources acting in a resistive network [ Statement of superposition theorem ~ Procedure for using the superposition theorem ~ Application of superposition theorem ~ Limitations of superposition Theorem ]
- Lesson 8 Thevenin’s and Norton’s theorems in the context of dc voltage and current sources acting in a resistive network [ The procedure for applying Thevenin's theorem ~ Application of Thevenin's theorem ~ Maximum Power Transfer Theorem ~ Proof of Thevenin Theorem ~ Norton's theorem ~ Application of Norton's Theorem ]
- Lesson 9 Analysis of dc resistive network in presence of one non-linear element [ Application of load-line method ]
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